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  Plantae
      Magnoliophyta
             [Angiospermae]
         Eudicots
             Core Eudicots
               Rosids
               Fabids
                    Rosales
                            Urticaceae
                                     Adicea
                                     Boehmeria
                                             Boehmeria acuminata
                                             Boehmeria anomala
                                             Boehmeria aspera
                                             Boehmeria balslevii
                                                   [Boehmeria dolichostachys]
                                             Boehmeria brevirostris
                                             Boehmeria bullata
                                                   [Boehmeria coriacea]
                                               Boehmeria bullata subsp. bullata
                                               Boehmeria bullata subsp. coriacea
                                               Boehmeria bullata subsp. notobullata
                                             Boehmeria burgeriana
                                             Boehmeria caudata
                                                   [Boehmeria arborescens]
                                                   [Boehmeria caudata var. arborescens]
                                                   [Boehmeria guatemalensis]
                                                   [Boehmeria sordida]
                                             Boehmeria celtidifolia
                                                   [Boehmeria arbuscula]
                                             Boehmeria cylindrica
                                                   [Boehmeria florida]
                                             Boehmeria excelsa
                                                   [Urtica excelsa]
                                             Boehmeria fallax
                                             Boehmeria flagelliformis
                                             Boehmeria formicaria
                                             Boehmeria guatemalana
                                             Boehmeria hirta
                                             Boehmeria macrophylla
                                             Boehmeria mathewsii
                                             Boehmeria nivea
                                             Boehmeria pavonii
                                                   [Boehmeria ramiflora var. paraguariensis]
                                             Boehmeria radiata
                                             Boehmeria ramiflora
                                                   [Boehmeria cuspidata]
                                                   [Boehmeria rhynchophylla]
                                             Boehmeria rugosa
                                             Boehmeria ulmifolia
                                                   [Boehmeria pavonii var. anomala]
                                     Cecropia
                                             Cecropia acutifolia
                                             Cecropia adenopus
                                             Cecropia albicans
                                             Cecropia andina
                                             Cecropia angelica
                                             Cecropia angulata
                                             Cecropia angustifolia
                                                   [Cecropia caucana]
                                                   [Cecropia coriacea]
                                                   [Cecropia danielis]
                                                   [Cecropia moniquirana]
                                                   [Cecropia philipsonii]
                                                   [Cecropia polyphlebia]
                                                   [Cecropia strigilosa]
                                                   [Cecropia villosa]
                                             Cecropia annulata
                                             Cecropia bicolor
                                             Cecropia boliviana
                                             Cecropia bullata
                                             Cecropia chlorostachya
                                             Cecropia concolor
                                                   [Cecropia arenaria]
                                                   [Cecropia maranhensis]
                                               Cecropia concolor subsp. concolor
                                               Cecropia concolor subsp. engleriana
                                             Cecropia dentata
                                             Cecropia digitata
                                             Cecropia distachya
                                                   [Cecropia richardii]
                                                   [Cecropia riparia]
                                             Cecropia elongata
                                             Cecropia engleriana
                                                   [Cecropia pacis]
                                                   [Cecropia yarinensis]
                                             Cecropia ficifolia
                                                   [Cecropia discolor]
                                                   [Cecropia hormigana]
                                                   [Cecropia magnifolia]
                                                   [Cecropia mituana]
                                                   [Cecropia mocoana]
                                                   [Cecropia porvenirensis]
                                             Cecropia francisci
                                             Cecropia gabrielis
                                                   [Cecropia diguensis f. albicans]
                                             Cecropia garciae
                                             Cecropia glaziovii
                                             Cecropia goudotiana
                                                   [Cecropia arbelaezii]
                                             Cecropia hachensis
                                             Cecropia herthae
                                                   [Cecropia congesta]
                                             Cecropia heterochroma
                                             Cecropia hispidissima
                                             Cecropia hololeuca
                                                   [Cecropia candida]
                                             Cecropia idroboi
                                             Cecropia inchuensis
                                             Cecropia insignis
                                                   [Cecropia eximia]
                                                   [Cecropia polyandrophora]
                                                   [Cecropia sandersoniana]
                                             Cecropia kavanayensis
                                                   [Cecropia auyantepuiana]
                                                   [Cecropia steyermarkii]
                                             Cecropia latiloba
                                                   [Cecropia orinocensis]
                                                   [Cecropia paraensis]
                                             Cecropia leucocoma
                                             Cecropia leucophaea
                                             Cecropia litoralis
                                             Cecropia longipes
                                             Cecropia marginalis
                                             Cecropia maxima
                                             Cecropia megastachya
                                             Cecropia membranacea
                                                   [Cecropia bifurcata]
                                                   [Cecropia laetevirens]
                                                   [Cecropia occidentalis]
                                                   [Cecropia robusta]
                                                   [Cecropia setico]
                                                   [Cecropia vageleri]
                                             Cecropia metensis
                                             Cecropia mexicana
                                             Cecropia monostachya
                                             Cecropia montana
                                                   [Cecropia alexandrina]
                                                   [Cecropia lanciloba]
                                             Cecropia multiflora
                                             Cecropia multisecta
                                             Cecropia mutisiana
                                                   [Cecropia ibaguensis]
                                                   [Cecropia tolimensis]
                                             Cecropia nivea
                                             Cecropia obovata
                                             Cecropia obtusa
                                                   [Cecropia lisboana]
                                             Cecropia obtusifolia
                                                   [Cecropia maxonii]
                                                   [Cecropia panamensis]
                                               Cecropia obtusifolia subsp. obtusifolia
                                                     [Cecropia alvarezii]
                                                     [Cecropia amphichlora]
                                                     [Cecropia commutata]
                                                     [Cecropia dabeibana]
                                               Cecropia obtusifolia subsp. burriada
                                                     [Cecropia burriada]
                                             Cecropia pachystachya
                                                   [Cecropia catarinensis]
                                                   [Cecropia cinerea]
                                                   [Cecropia lyratiloba var. nana]
                                                   [Cecropia lyratiloba]
                                             Cecropia palmata
                                             Cecropia palmatisecta
                                             Cecropia pastasana
                                                   [Cecropia sucrensis]
                                             Cecropia peltata
                                                   [Cecropia arachnoidea]
                                                   [Cecropia asperrima]
                                                   [Cecropia dielsiana]
                                                   [Cecropia goodspeedii]
                                                   [Cecropia hondurensis]
                                                   [Cecropia humboldtiana]
                                                   [Cecropia propinqua]
                                                   [Cecropia schiedeana]
                                                   [Cecropia surinamensis]
                                             Cecropia pinnatiloba
                                             Cecropia pittieri
                                             Cecropia plicata
                                                   [Cecropia diguensis]
                                             Cecropia polystachya
                                                   [Cecropia klotzschiana]
                                                   [Cecropia ruiziana]
                                                   [Cecropia scabra]
                                             Cecropia puberula
                                             Cecropia purpurascens
                                             Cecropia putumayonis
                                                   [Cecropia trilobata]
                                             Cecropia radlkoferiana
                                             Cecropia reticulata
                                                   [Cecropia bracteata]
                                                   [Cecropia reticulata f. alboreticulata]
                                             Cecropia sararensis
                                                   [Cecropia cobariana]
                                                   [Cecropia libradensis]
                                             Cecropia saxatilis
                                             Cecropia schreberiana
                                               Cecropia schreberiana subsp. schreberiana
                                                     [Cecropia urbaniana]
                                             Cecropia sciadophylla
                                                   [Cecropia juranyiana]
                                                   [Cecropia sciadophylla var. decurrens]
                                                   [Cecropia sciadophylla var. guamuesensis]
                                                   [Cecropia sciadophylla var. pedroa]
                                                   [Cecropia sciadophylla var. subsessilis]
                                             Cecropia scutata
                                             Cecropia silvae
                                             Cecropia standleyi
                                             Cecropia strigosa
                                             Cecropia subintegra
                                             Cecropia sylvicola
                                             Cecropia tacuna
                                             Cecropia telealba
                                                   [Cecropia alborugosa]
                                                   [Cecropia telealba var. hirsuta]
                                                   [Cecropia teleargentea]
                                             Cecropia telenitida
                                                   [Cecropia santanderensis]
                                                   [Cecropia telealbida]
                                                   [Cecropia teleincana]
                                                   [Cecropia telenivea]
                                             Cecropia tessmannii
                                             Cecropia tubulosa
                                             Cecropia ulei
                                             Cecropia utcubambana
                                             Cecropia velutinella
                                             Cecropia virgusa
                                     Coussapoa
                                             Coussapoa acutifolia
                                             Coussapoa angustifolia
                                             Coussapoa argentea
                                             Coussapoa asperifolia
                                               Coussapoa asperifolia subsp. asperifolia
                                                     [Coussapoa cayennensis]
                                                     [Coussapoa ficina]
                                               Coussapoa asperifolia subsp. magnifolia
                                                     [Coussapoa chagresiana]
                                                     [Coussapoa hypochlora]
                                                     [Coussapoa ruizii]
                                               Coussapoa asperifolia subsp. rhamnoides
                                             Coussapoa batavorum
                                             Coussapoa boliviana
                                             Coussapoa brevipes
                                             Coussapoa chocoensis
                                             Coussapoa cinnamomea
                                             Coussapoa cinnamomifolia
                                             Coussapoa contorta
                                             Coussapoa crassivenosa
                                                   [Coussapoa steyermarkii]
                                             Coussapoa cupularis
                                             Coussapoa curranii
                                                   [Coussapoa incomitata]
                                                   [Coussapoa warburgiana]
                                             Coussapoa darienensis
                                             Coussapoa david-smithii
                                             Coussapoa duquei
                                             Coussapoa eggersii
                                             Coussapoa emarginata
                                             Coussapoa ferruginea
                                             Coussapoa floccosa
                                             Coussapoa fulvescens
                                             Coussapoa glaberrima
                                             Coussapoa herthae
                                             Coussapoa jatun-sachensis
                                             Coussapoa latifolia
                                                   [Coussapoa froesii]
                                                   [Coussapoa obovata]
                                             Coussapoa lehmannii
                                             Coussapoa leprieurii
                                             Coussapoa longepedunculata
                                             Coussapoa macerrima
                                             Coussapoa magnifolia
                                             Coussapoa manuensis
                                             Coussapoa microcarpa
                                                   [Coussapoa schottii]
                                             Coussapoa microcephala
                                             Coussapoa napoensis
                                             Coussapoa nitida
                                                   [Coussapoa intermedia]
                                             Coussapoa nymphaeifolia
                                             Coussapoa oligocephala
                                             Coussapoa orthoneura
                                                   [Coussapoa prancei]
                                                   [Coussapoa williamsii]
                                             Coussapoa ovalifolia
                                             Coussapoa pachyphylla
                                             Coussapoa parviceps
                                                   [Coussapoa brenesii]
                                                   [Coussapoa echinata]
                                                   [Coussapoa oligoneura]
                                             Coussapoa parvifolia
                                                   [Coussapoa cornifolia]
                                             Coussapoa puberula
                                             Coussapoa purpusii
                                             Coussapoa rhamnoides
                                             Coussapoa rotunda
                                             Coussapoa scabra
                                             Coussapoa schunkei
                                             Coussapoa setosa
                                             Coussapoa sprucei
                                             Coussapoa standleyi
                                             Coussapoa tessmannii
                                             Coussapoa tolimensis
                                             Coussapoa trinervia
                                             Coussapoa valaria
                                             Coussapoa vannifolia
                                             Coussapoa villosa
                                                   [Coussapoa panamensis]
                                               Coussapoa villosa subsp. polycephala
                                               Coussapoa villosa subsp. villosa
                                                     [Coussapoa araneosa]
                                                     [Coussapoa danielis]
                                                     [Coussapoa donnell-smithii]
                                                     [Coussapoa embirana]
                                                     [Coussapoa grandiceps]
                                                     [Coussapoa macarenensis]
                                                     [Coussapoa martiana]
                                                     [Coussapoa mutisii]
                                                     [Coussapoa planitiensis]
                                                     [Coussapoa subcrenata]
                                                     [Coussapoa vellerea]
                                             Coussapoa viridifolia
                                                   [Coussapoa viridifolia var. tenuifolia]
                                     Cypholophus
                                     Dendrocnide
                                     Discocnide
                                             Discocnide mexicana
                                                   [Discocarpus mexicanus]
                                     Dubreulia
                                     Elatostema
                                     Fleurya
                                     Gesnouinia
                                     Goethartia
                                     Gyrotaenia
                                             Gyrotaenia myriocarpa
                                     Helxine
                                     Hemistylus
                                             Hemistylus boehmerioides
                                             Hemistylus macrostachya
                                             Hemistylus odontophylla
                                             Hemistylus velutina
                                     Hesperocnide
                                             Hesperocnide tenella
                                     Laportea
                                             Laportea aestuans
                                                   [Fleurya aestuans]
                                                   [Fleurya glandulosa]
                                                   [Urtica aestuans]
                                             Laportea canadensis
                                                   [Urtica pustulata]
                                     Leucococcus
                                     Maoutia
                                           [Puna]
                                     Margarocarpus
                                             Margarocarpus obliquus
                                             Margarocarpus poeppigianus
                                     Musanga
                                             Musanga leo-errerae
                                     Myriocarpa
                                             Myriocarpa bifurca
                                             Myriocarpa brachystachys
                                             Myriocarpa cordifolia
                                             Myriocarpa cubilgueitzensis
                                             Myriocarpa densiflora
                                             Myriocarpa filiformis
                                             Myriocarpa heterospicata
                                             Myriocarpa heterostachya
                                             Myriocarpa laevigata
                                             Myriocarpa longipes
                                                   [Myriocarpa magnifica]
                                             Myriocarpa obovata
                                             Myriocarpa obscura
                                             Myriocarpa purpurascens
                                             Myriocarpa stipitata
                                             Myriocarpa tatei
                                             Myriocarpa trifurca
                                             Myriocarpa yzabalensis
                                     Neraudia
                                     Obetia
                                     Parietaria
                                             Parietaria diffusa
                                             Parietaria floridana
                                                   [Parietaria debilis]
                                             Parietaria hespera
                                               Parietaria hespera var. californica
                                               Parietaria hespera var. hespera
                                             Parietaria judaica
                                             Parietaria macrophylla
                                             Parietaria officinalis
                                             Parietaria pensylvanica
                                                   [Parietaria obtusa]
                                     Phenax
                                             Phenax angustifolius
                                                   [Phenax ulei]
                                             Phenax bullatus
                                             Phenax flavifolius
                                             Phenax globulifera
                                             Phenax grossecrenatus
                                             Phenax hirtus
                                             Phenax integrifolius
                                             Phenax laevigatus
                                             Phenax laxiflorus
                                             Phenax mexicanus
                                             Phenax pallida
                                             Phenax pauciserratus
                                             Phenax rugosus
                                             Phenax sonneratii
                                                   [Gesnouinia boehmerioides]
                                             Phenax uliginosus
                                             Phenax urticifolius
                                             Phenax weddellianus
                                     Pilea
                                             Pilea acuminata
                                             Pilea adamsiana
                                             Pilea alsinifolia
                                             Pilea angustata
                                             Pilea angustifolia
                                             Pilea anomala
                                             Pilea antioquensis
                                             Pilea apiculata
                                             Pilea argentea
                                             Pilea arguta
                                                   [Urtica arguta]
                                             Pilea astrogramma
                                             Pilea attenuata
                                             Pilea auricularis
                                             Pilea auriculata
                                                   [Pilea cornmaniae]
                                             Pilea bassleriana
                                             Pilea baurii
                                             Pilea beguinotii
                                             Pilea beguinotti
                                             Pilea bicolor
                                             Pilea cadierei
                                             Pilea capitellata
                                             Pilea carnosula
                                             Pilea castronis
                                             Pilea centradenioides
                                                   [Pilea seemannii]
                                                   [Pilea trianaeana]
                                             Pilea centradenoides
                                             Pilea ceratocalyx
                                             Pilea chiapensis
                                             Pilea citriodora
                                             Pilea conjugalis
                                             Pilea cordifolia
                                             Pilea cormanae
                                             Pilea cornmanae
                                             Pilea cornuto-cucullata
                                             Pilea cornutocucullata
                                             Pilea corona
                                             Pilea costaricensis
                                             Pilea costata
                                             Pilea cuprea
                                             Pilea cushiensis
                                             Pilea cymbifolia
                                             Pilea daguensis
                                             Pilea dauciodora
                                             Pilea delicatula
                                             Pilea deltoidea
                                             Pilea depressa
                                             Pilea digitata
                                             Pilea discolor
                                             Pilea diversifolia
                                             Pilea dombeyana
                                             Pilea domingensis
                                             Pilea ecboliophylla
                                                   [Pilea diversissima]
                                             Pilea elegans
                                             Pilea elliptica
                                                   [Pilea uliginosa]
                                             Pilea entradana
                                             Pilea fairchildiana
                                             Pilea falcata
                                             Pilea fallax
                                             Pilea fasciata
                                             Pilea fendleri
                                             Pilea filicina
                                             Pilea filipes
                                             Pilea flexuosa
                                             Pilea foliosa
                                             Pilea foreroi
                                             Pilea forgetii
                                             Pilea frutescens
                                             Pilea gallowayana
                                             Pilea gamboana
                                             Pilea glabra
                                             Pilea gomeziana
                                             Pilea goudotiana
                                             Pilea haenkei
                                             Pilea herniarioides
                                             Pilea herrerae
                                             Pilea hilariana
                                             Pilea hirsuta
                                             Pilea hitchcockii
                                             Pilea hyalina
                                                   [Pilea scrobiculata]
                                                   [Urtica succulenta]
                                             Pilea hydrocotyliflora
                                             Pilea imparifolia
                                                   [Pilea dendrophila]
                                             Pilea involucrata
                                             Pilea irrorata
                                             Pilea jamesoniana
                                             Pilea killipiana
                                             Pilea lamioides
                                             Pilea latifolia
                                             Pilea lindeniana
                                             Pilea lippioides
                                             Pilea lobulata
                                             Pilea longibracteolata
                                             Pilea longipes
                                             Pilea losensis
                                             Pilea macbridei
                                             Pilea macrantha
                                             Pilea macrocystolithica
                                             Pilea magnicarpa
                                             Pilea marginata
                                             Pilea matama
                                             Pilea melastomoides
                                             Pilea mexicana
                                             Pilea microphylla
                                             Pilea mimema
                                             Pilea minutiflora
                                             Pilea mollis
                                             Pilea multiflora
                                                   [Urtica multiflora]
                                             Pilea mutisiana
                                             Pilea myriantha
                                                   [Urtica floribunda]
                                             Pilea myriophylla
                                             Pilea napoana
                                             Pilea nerteroides
                                             Pilea nitida
                                             Pilea nummularifolia
                                             Pilea nummulariifolia
                                               Pilea nummulariifolia var. klugii
                                             Pilea nutans
                                             Pilea obetiifolia
                                             Pilea ophioderma
                                             Pilea orbiculata
                                             Pilea ovalis
                                                   [Pilea chrysosplenioides]
                                             Pilea pallida
                                             Pilea pansamalana
                                             Pilea parietaria
                                             Pilea pavonii
                                             Pilea pennellii
                                             Pilea peploides
                                             Pilea pichisana
                                             Pilea picta
                                             Pilea pittieri
                                             Pilea pleuroneura
                                             Pilea plumulosa
                                             Pilea poeppigiana
                                             Pilea propinqua
                                             Pilea pteridophylla
                                             Pilea pteropodon
                                                   [Pilea ptericlada]
                                             Pilea pubescens
                                             Pilea pulegifolia
                                             Pilea pumila
                                             Pilea punctata
                                             Pilea puracensis
                                             Pilea purpurea
                                             Pilea purulensis
                                                   [Pilea chiriquina]
                                                   [Pilea donnell-smithiana]
                                                   [Pilea smithii]
                                             Pilea pusilla
                                             Pilea quadrata
                                             Pilea quercifolia
                                             Pilea quichensis
                                             Pilea ramosissima
                                             Pilea rhizobola
                                             Pilea rhombea
                                             Pilea rhombifolia
                                             Pilea riopalenquensis
                                             Pilea riparia
                                             Pilea rojasiana
                                             Pilea rostulata
                                             Pilea rugosa
                                                   [Urtica rugosa]
                                             Pilea rugosissima
                                             Pilea rusbyi
                                                   [Urera rusbyi]
                                             Pilea salentana
                                             Pilea scandens
                                             Pilea schimpffii
                                             Pilea selbyanorum
                                             Pilea senarifolia
                                             Pilea serpyllacea
                                             Pilea serpyllifolia
                                             Pilea serratifolia
                                             Pilea setigera
                                             Pilea skutchii
                                             Pilea spruceana
                                             Pilea strigosa
                                             Pilea subamplexicaulis
                                             Pilea subcrenata
                                             Pilea sublobata
                                             Pilea submissa
                                             Pilea succulenta
                                             Pilea suffruticosa
                                             Pilea tarmensis
                                             Pilea tatamensis
                                             Pilea tatei
                                             Pilea tetrapoda
                                             Pilea thymifolia
                                             Pilea tilarana
                                             Pilea topensis
                                             Pilea trianthemoides
                                                   [Pilea microphylla var. trianthemoides]
                                               Pilea trianthemoides var. microphylla
                                             Pilea trichomanophylla
                                             Pilea trichosanthes
                                             Pilea tridentata
                                             Pilea tripartita
                                             Pilea tungurahuae
                                             Pilea tutensis
                                             Pilea umbriana
                                             Pilea urticella
                                             Pilea vegasana
                                             Pilea verrucosa
                                             Pilea vulcanica
                                                   [Pilea gracilipes]
                                             Pilea weberbaueri
                                     Pipturus
                                     Pourouma
                                             Pourouma acuminata
                                                   [Pourouma populifolia]
                                             Pourouma amacayacuensis
                                             Pourouma aspera
                                             Pourouma bergii
                                             Pourouma bicolor
                                               Pourouma bicolor subsp. bicolor
                                                     [Pourouma schultesii]
                                               Pourouma bicolor subsp. chocoana
                                               Pourouma bicolor subsp. digitata
                                                     [Pourouma digitata]
                                               Pourouma bicolor subsp. scobina
                                                     [Pourouma crassivenia]
                                               Pourouma bicolor subsp. tessmannii
                                             Pourouma bolivarensis
                                                   [Pourouma subplicata]
                                             Pourouma cecropiifolia
                                                   [Pourouma sapida]
                                             Pourouma chocoana
                                             Pourouma cordata
                                             Pourouma crassivenosa
                                             Pourouma cucura
                                             Pourouma cuspidata
                                                   [Pourouma tergoscabra]
                                             Pourouma elliptica
                                             Pourouma ferruginea
                                             Pourouma floccosa
                                             Pourouma folleata
                                             Pourouma formicarum
                                             Pourouma guianensis
                                               Pourouma guianensis subsp. guianensis
                                                     [Pourouma fuliginea]
                                                     [Pourouma mildbraediana]
                                               Pourouma guianensis subsp. venezuelensis
                                                     [Pourouma venezuelensis]
                                             Pourouma herrerensis
                                             Pourouma heterophylla
                                             Pourouma hirsutipetiolata
                                               Pourouma hirsutipetiolata subsp. hirsutipetiolata
                                               Pourouma hirsutipetiolata subsp. hispida
                                                     [Pourouma hispida]
                                             Pourouma johnstonii
                                             Pourouma melinonii
                                               Pourouma melinonii subsp. melinonii
                                                     [Pourouma apaporiensis]
                                               Pourouma melinonii subsp. glabrata
                                             Pourouma minor
                                                   [Pourouma cuatrecasasii]
                                                   [Pourouma isophlebia]
                                                   [Pourouma umbellata]
                                                   [Pourouma umbellifera]
                                             Pourouma mollis
                                               Pourouma mollis subsp. rubra
                                               Pourouma mollis subsp. triloba
                                               Pourouma mollis var. glandulosa
                                               Pourouma mollis var. intermedia
                                               Pourouma mollis var. mollis
                                             Pourouma montana
                                             Pourouma myrmecophila
                                             Pourouma napoensis
                                             Pourouma oraria
                                             Pourouma ovata
                                             Pourouma palmata
                                             Pourouma petiolulata
                                             Pourouma phaeotricha
                                             Pourouma radula
                                             Pourouma saulensis
                                             Pourouma scabra
                                             Pourouma scobina
                                             Pourouma stipulacea
                                             Pourouma substrigosa
                                             Pourouma subtriloba
                                             Pourouma tessmannii
                                             Pourouma tomentosa
                                               Pourouma tomentosa subsp. essequiboensis
                                                     [Pourouma essequiboensis]
                                               Pourouma tomentosa subsp. maroniensis
                                                     [Pourouma maroniensis]
                                               Pourouma tomentosa subsp. persecta
                                               Pourouma tomentosa subsp. tomentosa
                                                     [Pourouma albistipulata]
                                               Pourouma tomentosa subsp. apiculata
                                                     [Coussapoa krukovii]
                                                     [Pourouma apiculata]
                                             Pourouma triloba
                                             Pourouma ulei
                                             Pourouma uvifera
                                             Pourouma velutina
                                                   [Pourouma steyermarkii]
                                             Pourouma villosa
                                                   [Pourouma laevis]
                                     Pouzolzia
                                             Pouzolzia formicaria
                                             Pouzolzia guatemalana
                                               Pouzolzia guatemalana var. guatemalana
                                               Pouzolzia guatemalana var. nivea
                                             Pouzolzia laevis
                                                   [Pouzolzia virgata]
                                             Pouzolzia latistipula
                                             Pouzolzia longipes
                                             Pouzolzia nivea
                                             Pouzolzia nudiflora
                                                   [Boehmeria nudiflora]
                                             Pouzolzia obliqua
                                             Pouzolzia occidentalis
                                                   [Pouzolzia petiolata]
                                                   [Pouzolzia platyphylla]
                                             Pouzolzia ovata
                                             Pouzolzia palmeri
                                             Pouzolzia parasitica
                                             Pouzolzia phenacoides
                                             Pouzolzia poeppigiana
                                                   [Goethartia edentata]
                                                   [Pouzolzia discolor]
                                             Pouzolzia pringlei
                                             Pouzolzia purpusii
                                     Procris
                                     Ramium
                                     Rousselia
                                             Rousselia erratica
                                             Rousselia humilis
                                     Soleirolia
                                             Soleirolia soleirolii
                                     Touchardia
                                     Urera
                                             Urera alceifolia
                                             Urera aurantiaca
                                             Urera baccifera
                                             Urera capitata
                                             Urera caracasana
                                                   [Urera caracasana var. subpeltata]
                                                   [Urera caracasana var. tomentosa]
                                                   [Urera mitis]
                                             Urera chlorocarpa
                                             Urera corallina
                                             Urera eggersii
                                             Urera elata
                                             Urera fenestrata
                                             Urera filiformis
                                             Urera glabriuscula
                                             Urera guanacastensis
                                             Urera killipiana
                                             Urera laciniata
                                             Urera lianoides
                                             Urera nitida
                                                   [Urera denticulata]
                                             Urera rzedowskii
                                             Urera simplex
                                                   [Urera boliviensis]
                                             Urera tuerckheimii
                                             Urera verrucosa
                                     Urtica
                                             Urtica andicola
                                             Urtica ballotaefolia
                                             Urtica ballotifolia
                                             Urtica berteroana
                                             Urtica buchtienii
                                             Urtica capitata
                                             Urtica chamaedryoides
                                               Urtica chamaedryoides subsp. chamaedryoides
                                                     [Urtica glandulifera]
                                                     [Urtica orizabae]
                                             Urtica circularis
                                             Urtica dioica
                                               Urtica dioica ssp. gracilis
                                                     [Urtica dioica var. angustifolia]
                                                     [Urtica lyallii]
                                               Urtica dioica subsp. pubescens
                                                     [Urtica pubescens]
                                             Urtica echinata
                                             Urtica flabellata
                                             Urtica glomeruliflora
                                             Urtica granulosa
                                             Urtica horrida
                                             Urtica leptophylla
                                             Urtica longispica
                                             Urtica macbridei
                                             Urtica magellanica
                                                   [Urtica magellanica subsp. bracteata]
                                                   [Urtica pseudodioica]
                                               Urtica magellanica ssp. bracteata
                                             Urtica masafuerae
                                             Urtica melastomoides
                                             Urtica mexicana
                                             Urtica minutifolia
                                             Urtica mollis
                                             Urtica nicaraguensis
                                             Urtica parietaria
                                             Urtica peruviana
                                             Urtica pseudo-dioica
                                             Urtica pseudomagellanica
                                             Urtica pulegifolia
                                             Urtica punctata
                                             Urtica rotundifolia
                                             Urtica spicata
                                             Urtica subincisa
                                             Urtica trichantha
                                             Urtica urens
                                             Urtica urentivelutina
                                     Urticastrum