CR
109054 Davidse Gerrit 28858 1984-09-10
Costa Rica, Limón, Cordillera de Talamanca Atlantiic slope Cerros Tararia (locally known as Tres Picos), 9.15 -82.96, 2400 - 2600m
CR
132102 Grayum Michael 8655 1988-07-29
Costa Rica, Heredia, Sarapiquí, E.B. La Selva At confluence of Río Sarapiquí and Puerto Viejo Río Atalntic slope, 10.43 -84.01, 50 - 100m
CR
60360 Ocampo Rafael A. 906 1975-04-11
Costa Rica, Alajuela, Laguna Cote
CR
54113 Bumby M. J. 440 1993-05-28
Costa Rica, Limón, Matina, Canal de Matina, 10m
CR
58287 Bumby M. J. 421 1973-05-18
Costa Rica, Limón, Found growing in Río Mori, 10m
CR
146881 Crow Garrett 7461 1989-10-23
Costa Rica, Heredia, Laguna Hule N. side of Volcán Poás ca. 4 km NE of Cariblanco, 10.3 -84.21, 820m
CR
58303 Bumby M. J. 383 1973-04-29
Costa Rica, Alajuela, Alajuela, Laguna Hule, 740m
CR
60359 Ocampo Rafael A. 902 1975-04-11
Costa Rica, Alajuela, Guatuso, Laguna Cote, 800m
CR
138455 Lot Antonio 1222 1983-08-23
Costa Rica, Alajuela, Grecia, Los Angeles Colonia Toro Amarillo
CR
83742 Gómez Laurito Jorge 7135 1981-09-08
Costa Rica, Guanacaste, P.N. Santa Rosa Quebrada Blanca charca estacional ca. 7 km N de la entrada del Parque Nacional Santa Rosa, 270m
CR
137644 Crow Garrett 6942 1987-08-02
Costa Rica, Alajuela, San Carlos, lago de Cote just North of Laguna Arenal. Deep lake with emergent vegetation long edge Plants submersed vegetative only
CR
154246 James Bissell 1983-08-08
Estados Unidos, Conneaut Creek: Open shallow waters along west edge of creek just N of S Ridge Rd. bridge Kingsville Twp. AshtabulaCo.Ohio. Locally common along edge of stream channel just north of bridge
CR
86057 Gómez Luis Diego 18130
Costa Rica, San José, Pérez Zeledón, Entrada a Buenos Aires, 600 - 800m
CR
50756 N. M. Tur 1965-11-29
Argentina, Río Santiago
CR
239287 Rodríguez Alexánder 7029 2001-02-08
Costa Rica, San José, Pérez Zeledón, Viento Fresco 2.5 km SE de Viento Fresco., 9.4 -83.93, 700m
CR
154244 James Bissell 1982-09-16
Estados Unidos, Cleveland Ohio. Mentor Marsh: open shoreline mudflats and shallow waters within weatern sections of Mentorn Marsh just E. of lagoons and just S of Lake Erie Shore Mentor Lake Co Ohio. Locally common rooted in flowing waters of Marsh Creek
CR
163069 Bumby M. J. 1194 1984-07-17
Estados Unidos, Green Lake County Wisconsin Lake Puckaway NW end (Station 3)
CR
109454 E. Eames 11763 1935-08-06
Estados Unidos, Small pound in Saugatuck River. (Same pond but not exactly same area as type collection) Danbury Connecticut
CR
97819 Moran Robbin C. 1979-08-16
CR
54126 Bumby M. J. 415 1973-05-06
Costa Rica, Guanacaste, Growing in Río Tempisque downstream from bridge at highway near Guardias, 30m
CR
54125 Bumby M. J. 317 1973-03-17
Costa Rica, Cartago, Paraíso, Río Paéz growing from nuddy bottom in water ca. o.5 m deep from ca. 50 m above Catarata Los Novios, 1100m
CR
79821 Frank Seymour 30190 1972-09-14
Estados Unidos, Vermont Washington County near small pound Berlin
CR
70313 Frank Seymour 29710 1970-09-17
Estados Unidos, Vermont Sandy strand of Mill POnd Washington Orange County
CR
58260 Bumby M. J. 438 1973-05-28
Costa Rica, Limón, Found floating in Río Mouri caught in a Ceratophylum bed., 10m
CR
70289 Seymour Frank 29475 1970-08-25
Estados Unidos, Lake Memphremagog washed up on shore Newport
CR
54114 Bumby M. J. 439 1973-05-28
Costa Rica, Limón, Matina, Canal de Matina, 10m
CR
234408 Hammel Barry E. 20942 1997-03-27
Costa Rica, Guanacaste, La Cruz, P. N. Guanacaste Cuenca del Tempisque. quebrada Aserradero ca. 4 km NE en línea recta de la entrada a Santa Rosa. Localmente conocido como Centeno., 10.9 -85.56, 160m
CR
27988 Echeverría José Antonio 2 1945-08-31
Costa Rica, Cartago, Turrialba
CR
51617 Bumby M. J. 317 1973-03-17
Costa Rica, Cartago, Paraíso, Found in flowing waters of Río Páez growing from muddy bottom in water no more than 0.5 m deep from ca. 50 m about Catarata Los Novios. Several clumps of this plant were observed and some plants has fruits of this time, 1100m
CR
58304 Bumby M. J. 384 1973-04-29
Costa Rica, Alajuela, Alajuela, Laguna Hule
CR
54122 Bumby M. J. 384 1973-04-29
Costa Rica, Alajuela, Alajuela, Laguna Hule, 740m
CR
73450
Costa Rica
CR
95442 Frank Seymour 30041 1971-08-25
Estados Unidos, Maine Oxford County
CR
58259 Bumby M. J. 431 1973-05-28
Costa Rica, Limón, Matina, Found growing in mud with Najas Guadalupensis. in Canal de Matina, 10m
CR
79803 Frank Seymour 29710 1970-09-17
Estados Unidos, Vermont Orange County Sandy strand of Mill Pond
CR
163065 Bumby M. J. 1160 1984-07-17
Estados Unidos, Wisconsin Green Lake County Laje Puckaway east end (station 1)
CR
119355 Grayum Michael 5235 1985-04-24
Costa Rica, Puntarenas, Garabito, P.N. Carara Along W side of Río Grande de Tárcoles ca. 0.5 km S of mouth of Río Turrubares., 9.83 -84.56, 15m
CR
168232 Hammel Barry E. 18767 1993-01-31
Costa Rica, Puntarenas, Puntarenas, Costa del Pacífico CentralPuntarenasvecindario Río Barranca por La Interamericana, 10 -84.7, 100m
CR
37034 Jiménez Alfonso 132 1959-07-10
Costa Rica, San José, Los Anonos Río Virilla
CR
154248 James Bissell 1983-08-27
Estados Unidos, North Chagrin Reservation: channel marsh along base of W valley wall of W. Br. Chagrin River about half mille of Wilson Milles Rd. within eastern limits of Gates Mills Cuyahoga Co.Ohio. Common to abundant whitin all open water pools marsh
CR
70386 David Hammond 1972-07-30
Estados Unidos, Ontario Co. New York. Town of Bristol about 1 mille S of Bristol Center on Route. 64; on private land. In shallow water of man-made pond (up to 1´ deep or so)
CR
163067 Bumby M. J. 1177 1984-07-17
Estados Unidos, Wisconsin Green Lake County N. Centgral area of Lake Puckaway
CR
56240 Cruz Cisneros R. 452 1966-02-05
México, Hidalgo. Afluentes del río Tula. Presa I López Rayon 3 km alW de Ixmiquilpan., 1700m
CR
59784 Mititelu D. 1970-06-14
Rumania, 250m
CR
154245 James Bissell 1982-07-15
Estados Unidos, Hess Lake: Forty year old lake formed from impoundment of two tributaries-headwaters to Chagrin River about half mille SW of juntion of Pekin Rd. and Auburn Rd Newbury Twp. Geauga Co.; Ohio
CR
70318 Jane Wilber 1968-06-15
Estados Unidos, Vermont Adisson County South Slang Little Otter Creek
CR
60455 D. Mititelu 126 1970-09-01
Rumania, Municip. Bacau. prope pagum Hemeius in Lacu Lilieci dicto intra ass. Polygono-Potametum natantis. Soó 64.
CR
95378 Samuel B. Jones 23576 1979-09-04
Estados Unidos, Florida. Near Sheads. Appalachia Wildlife Management. Area on Lake Seminole. At the dge of small weedy ponds. From rhizome. Floating leaves broad submerged leaves thin and narrow
CR
113550 Zika Peter F. 4046 1981-07-07
Estados Unidos, Lamoille County Vermont S end of Lake Elmore Elmore
CR
50619 D. Mititelu 1753 1970-09-01
Rumania, Municp. Bacau: prope pagum Hemeius in lacu Lilieci dicto intra ass. Potametum lucentis Hueck 31., 200m
CR
35122 M. Guns 1914-06-03
Overmeire. Etany.
CR
79802 Seymour Frank 29678 1970-09-17
Estados Unidos, Vermont Orange County.
CR
70314 Seymour Frank 29678 1970-09-17
Estados Unidos, Vermont Orange County
CR
110666 E. H. Halmes 11733 1935-09-26
Estados Unidos, Tauton pond along gravelly on rocky shores in 1 and a half meter. Plentifil in some areas but occurs all around pond. Fully 2 miles shore line. Leaves distichous. Peduncles and often emersed leaves reddish but latter greenish. Newton Connecticut
CR
80562 Lockwood Dorothy 27078 1968-08-11
Estados Unidos, Vermont Lake Morey FAIRLEE
CR
154242 James Bissell 1983-08-11
Estados Unidos, Grand River: One to two foot deep waters along south side of Grand River between O. Rt. 534 and Harpersfield dam Harsperfield Twp. Ashtabula Co. Ohio. Occasional in shallow waters along edge of shore
CR
154243 T. Matson 1983-06-30
Estados Unidos, Beaver Pond along E. Branch Cuyahoga River between Clay Street and Kile Road within western Montville Twp. Geauga Co.Ohio. Common
CR
80561 Frank Seymour 1971-08-26
Estados Unidos, Maine Waldo County Beach of Unity Pond (Lake Winnecook)
CR
154247 James Bissell 1983-09-08
Estados Unidos, Pymatuning creek: open impoundes waters of creek just N of Mill Road within NE corner of Cherry Valley Twp. Ashtabula Co. Ohio. Locally common within shallow waters of manmade impoundment. Note: ph 6.5
CR
70315 Seymour Frank 29679 1970-09-17
Estados Unidos, Vermont Orange County Bog with Rhamnus alnifolia L´H.
CR
79621 Seymour Frank 29679 1970-09-17
Estados Unidos, Vermont Orange County Bog with Rhamnnus alnifolia L´H
CR
95455 David Dudey 1969-09-16
Estados Unidos, New York Warren County Along Shore Lake George
CR
154257 James Bissell 1982-07-10
Estados Unidos, Cleveland Armington Lake
CR
79622 Frank Seymour 26949 1968-06-15
Estados Unidos, Vermont South Slang Little Otter Creek
CR
70316 Frank Seymour 26946 1968-06-15
Estados Unidos, Vermont South Slang little Otter Creek
CR
70317 A. E. Partridge 1968-06-15
eatados unidos, Vermont South Slang Little Otter Creek