MO

Apinagia kochii (Engl.) P. Royen

Venezuela, Estrada Boa Vista-Venezuela, Rio Surumu.

MO

Apinagia multibranchiata (Matthiesen) P. Royen

Venezuela, Amazonas, Atabapo, Sector Norte de la Sierra Parima. Vegetación riberena a lo largo del rio Yawarui, afluente oriental (izquierdo) del alto rio Matacuni. Aprox. 10 km al N de Shimada-Wochi., 3.9166667 -64.6166667, 850m

MO

Apinagia platystigma P. Royen

French Guiana, Cach. Camarauá, about 3 km. south of mouth of river Camopi., 3.1666667 -52.3166667

MO

Apinagia richardiana (Tul.) P. Royen

Guyana, Potaro-Siparuni, Potaro-Siparuni Region. Along Essequibo River, upstream from Kurupukari Falls, from 1-3 km S of falls. Iwokrama., 4.6666667 -58.6666667, 61m

MO

Apinagia richardiana (Tul.) P. Royen

French Guiana, Litani River., 2.4833333 -54.4666667, 150m

MO

Apinagia richardiana (Tul.) P. Royen

French Guiana, Région de Entre Hermina. Dorf et Loca-Loca, sur le Maroni.

MO

Apinagia richardiana (Tul.) P. Royen

Guyana, Basin of Kuyuwini River (Essequibo tributary), about 150 miles from mouth.

MO

Apinagia richardiana (Tul.) P. Royen

Venezuela, Bolívar, Rio Caura, arriba del Salto Para, en las islas 2-3 km arriba del campamento " Las Pavas", 250 - 300m

MO

Apinagia richardiana (Tul.) P. Royen

Venezuela, Delta Amacuro, Upstream from San Victor, past Quebrada Piedradero and Rio Matanaia. Rio Amacuro, Venezuela-Bristish Guiana frontier. Sierra Imataca., 65 - 80m

MO

Apinagia richardiana (Tul.) P. Royen

Venezuela, Amazonas, Depto. Rio Negro. Selvas pluviales en los alrededores de las orillas del rio Casiquiare, entre El Porvenir y la Boca del Siapa.

MO

Apinagia richardiana (Tul.) P. Royen

Suriname, Nickerie, Area of Kabelebo Dam Project, distr. Nickerie. In Devis falls in Kabalebo R., 30 - 130m

MO

Apinagia richardiana (Tul.) P. Royen

Suriname, Gran Dam.

MO

Apinagia richardiana (Tul.) P. Royen

Venezuela, Amazonas, Atabapo, Salto Yureba, Caño Yureba; bajo Ventuari., 4.05 -66.0166667, 120 - 150m

MO

Apinagia richardiana (Tul.) P. Royen

Suriname, Nickerie, Area of Kabalebo Dam project, distr. Nickerie. Davis falls in Kabalebo R.

MO

Apinagia richardiana (Tul.) P. Royen

Guyana, Basin of Essequibo River, near mouth of Onoro Creek. Lat. about 1º35'N.

MO

Apinagia richardiana (Tul.) P. Royen

Peru, Junín, Yunguy., 1600m

MO

Apinagia richardiana (Tul.) P. Royen

Brazil, Amapá, Cachoeira Tres Saltos., 2.2 -50.8833333

MO

Apinagia richardiana (Tul.) P. Royen

Guyana, Rupununi District, Kuyuwini Landing, Kuyuwini River., 2.0833333 -59.25, 150 - 250m

MO

Apinagia riedelii (Bong.) Tul.

Brazil, Rio Claro, river 20-30 m wide, clear but brownish water, Israelândia., 400m

MO

Apinagia ruppioides (Kunth) Tul.

Venezuela, Amazonas, Along Raudales de Atures, south of Puerto Ayacucho, 100m

MO

Apinagia staheliana (Went) P. Royen

Guyana, Upper Essequibo Region, Rewa River, near Corona Falls., 3.1666667 -58.6666667, 160m

MO

Apinagia staheliana (Went) P. Royen

Suriname, Nickerie, Hab. area of Kabelebo Dam project, distr. Nickeire., 4.0833333 -57.5, 30 - 130m

MO

Apinagia surumuensis (Engl.) P. Royen

Guyana, Upper Demerara-Berbice, U. Demerara-Berbice Region. Very small island, sandy banks, in Essequibo, opposite Kurapukari settlement., 4.6666667 -58.6666667, 60m

MO

Marathrum aeruginosum P. Royen

Venezuela, Amazonas, Río Negro, Río Casiquiare, cerca de la Piedra de Culimacare., 120m

MO

Marathrum capillaceum (Pulle) P. Royen

French Guiana, Région de Saut Macaque sur la rivière Onaqui.

MO

Marathrum cubanum C. Wright

Caribbean, Cuba, Santiago de Cuba

MO

Marathrum cubanum C. Wright

Caribbean, Cuba, Pinar del Río, Guane, on stones in Rio Portales.

MO

Marathrum cubanum C. Wright

Caribbean, Cuba, Pinar del Río, In swift running water. On rocks.

MO

Marathrum squamosum Wedd.

Brazil, Rio Negro, near San Carlos

MO

Oserya minima P. Royen

Suriname, Suriname-river, near Kabelstation

MO

Podostemum comatum Hicken

Brazil, Paraná, rio Iguassú

MO

Podostemum comatum Hicken

Argentina, Misiones, Iguazú, Cataratas del Iguazú, -25.68333 -54.45

MO

Podostemum comatum Hicken

Argentina, Misiones, Iguazú, Catartas del Iguazú, Salto San Martín, -25.69111 -54.46111

MO

Podostemum comatum Hicken

Brazil, Rio Grande do Sul, Abundant. 44 km N of Santiago on road to Bocaruca Tupantuba, Santiago (Country). Rio Taquarembo, Nos. 5041-5048 collected from the same location; No. 5045 are much larger plants than the turf-like collections (Nos. 5041-5044); No. 5048 are the largest plants, large plants in swift, deep current; large plants ONLY occur in swiftest current. Podostenum rutifolium (Nos. 5041-5044) and Podostenum comatum (5045-5048) collected from the same location., -28.88333 -54.93333

MO

Podostemum comatum Hicken

Brazil, Rio Grande do Sul, Uncommon. Along Brazil Route BR-285, ca. 20 km E of Sáo Luís Gonzaga. Rio Urucuá, Only No. 5049 collected from this location. Large plants notable, but some plants also markedly smaller (but not turf-like) large plants, submerged; river seems to have been dredged recently. Only Podostemum comatum collected at this locaiton., -28.4 -54.68333, 219m

MO

Podostemum comatum Hicken

Brazil, Rio Grande do Sul, Common, large plants on only one small set of outcrops in a small river. About 40 km S of town of Pinheirdo Machado on road to Santo do Erval., -31.93333 -53.48333, 290m

MO

Podostemum comatum Hicken

Brazil, Rio Grande do Sul, Common, Large plants, directly in falling (ca. 45 degrees) water of small (ca. 1.5 m drop) waterfall, in the deepest and fastest current of the river-rapid area, some stems more or less twisted. Arroio do Lajeado, small river (ca. 10 m across), largely sandy bottom with a short stretch of river rapids (outcrops). About 20 km NE of town of Santo do Erval on the road from town of Pedro Osória. (Nos. 5022-5027 collected in the same area of the river, within 10 m of each other)., -31.98333 -53.1, 70m

MO

Podostemum comatum Hicken

Brazil, Rio Grande do Sul, Turf-like and medium stemmed plants occur in areas of various current intensity (calm, moderate, swift). Rather quiet (slow current) river (Rio Taquarembo), about 44 km N of town of Santiago on road to Bocaroca, Santiago County., -28.88333 -54.93333

MO

Podostemum comatum Hicken

Argentina, Misiones, Iguazú, Catartas del Iguazú, -25.68333 -54.45

MO

Podostemum comatum Hicken

Argentina, Misiones, General Manuel Belgrano, Bernardo de Irigoyen, rio Pepirí Guazú, -26.23333 -53.65

MO

Podostemum comatum Hicken

Argentina, Misiones, Iguazú, Salto Iguazú, -25.68333 -54.45

MO

Podostemum distichum (Cham.) Wedd.

Brazil, Santa Catarina, Abelardo Luz. on ledge in Rio Chapecó, 900m

MO

Podostemum distichum (Cham.) Wedd.

Brazil, Rio Grande do Sul, Abundant, in region above cataracts where current is not swift. (Nos. 5058-5069 collected in same area, within 10 m of each other). Butia River (ca. 25 m across), running across basalt outcrops. Collected from a waterfall-like series of cataracts (popular swimming area). About 25 km W. of the town of Soledade (Espomoso County)., -28.83333 -52.71666, 600m

MO

Podostemum distichum (Cham.) Wedd.

Brazil, Rio Grande do Sul, Abundant, in shallow water (less than 10 cm). Small stream (ca. 1-2 m wide) paralleling road, along edge of cattle pasture. Collections made above a ca. 15 m dropoff (waterfall). This stream drains into a larger stream below the waterfall. About 11 km N from intersection of road that runs between Cambará do Sul and Teinhas. (Nos. 5125-5130 collected in the same locality but from different rocks at least 2 m apart, all collections made from more or less horizontal outcrops)., -29.05 -50.26666, 869m

MO

Podostemum distichum (Cham.) Wedd.

Brazil, Rio Grande do Sul, Common, small plants with divided leaves. No. 5055 and No. 5056 growing essentially together. Small river running under the road (BR-386) through a concrete culvert, plants growing on the concrete, submerged in ca. 3-4 cm water. Small river (unknown name) about 29 km NW of city of Soledade on BR-386., -28.61666 -52.61666, 466m

MO

Podostemum distichum (Cham.) Wedd.

Brazil, Rio Grande do Sul, Abundant, forming a dense carpet-like growth along bed of river. These plants were exposed, with flowers and fruits. Rocks of river are relatively small (not huge boulders). Camisa River, a clean river that begins in a state park upstream of this location. Cambará County, about 7 km S of town of Cambará do Sul., -29.08333 -50.18333, 245m

MO

Podostemum distichum (Cham.) Wedd.

Brazil, Rio Grande do Sul, -29.68333 -52.5

MO

Podostemum distichum (Cham.) Wedd.

Brazil, Rio Grande do Sul, Abundant, exposed on rocks in middle of stream. Small stream (ca. 1-2 m wide) paralleling road, along edge of cattle pasture. Collections made above a ca. 15 m dropoff (waterfall). This stream drains into a larger stream below the waterfall. About 11 km N from intersection of road that runs between Cambará do Sul and Teinhas. (Nos. 5125-5130 collected in the same locality but from different rocks at least 2 m apart, all collections made from more or less horizontal outcrops)., -29.05 -50.26666, 869m

MO

Podostemum distichum (Cham.) Wedd.

Brazil, Rio Grande do Sul, Abundant, vegetative plants collected from ca. 10cm deep water in middle of small stream, the edges of these plants were exposed on slanted rocks. Small stream (ca. 1-2 m wide) paralleling road, along edge of cattle pasture. Collecrions made above a ca. 15 m dropoff (waterfall). This stream drains into a larger stream below the waterfall. About 11 km N from intersection of road that runs between Cambará do Sul and Teinhas. (Nos. collected in the same locality but from different rocks at least 2 m apart, all collections made from more or less horizontal outcrops)., -29.05 -50.26666, 869m

MO

Podostemum distichum (Cham.) Wedd.

Brazil, Santa Catarina, Mun. Lajes. 2 Km E de Painel, camino a Urupema. Sobre rocas, en curso de agua.

MO

Podostemum distichum (Cham.) Wedd.

Brazil, Rio Grande do Sul, Abundant, large and small stemmed plants growing together, within 0.5 m of directly falling water of waterfall. Large (ca. 120 feet high) waterfall, 2-3 km above (North of) town of Riozinho, about 40 km SE of town of San Francisco do Paula. (Nos. 5192-5200 all collected from around the base of this waterfall)., -29.58333 -50.43333, 73m

MO

Podostemum distichum (Cham.) Wedd.

Brazil, Rio Grande do Sul, Common, large stemmed plants mixed with small stemmed plants. Large (120 feet high) waterfall, 2-3 km above (North of) rown of Riozinho, about 40 km SE of town of San Francisco do Paula. (Nos. 5192-5200 all collected from around the base of this waterfall)., -29.58333 -50.43333, 73m

MO

Podostemum distichum (Cham.) Wedd.

Paraguay, Cordillera, Salto Piraretá, -25.5 -56.9166667

MO

Podostemum distichum (Cham.) Wedd.

Brazil, Rio Grande do Sul, Abundant, large stemmed plants, directly in falling water of waterfall. May be mixed with small stemmed plants with which they were growing. Large (ca. 120 feet high) waterfall, 2-3 km above (North of) town of Riozinho, about 40 km SE of town of San Francisco do Paula. (Nos. 5192-5200 all collected from around the base of this waterfall)., -29.58333 -50.43333, 73m

MO

Podostemum distichum (Cham.) Wedd.

Brazil, Rio Grande do Sul, Common, on boulers projecting form the sandy bottom of Lagoa dos Patos, in water ranging from about 0.5-1.5 m deep, wave-swept shore of lagoon. Plants loosely attached in gravely soil that collects in the crevices of the boulders. This is clearly not an area of river-rapids, nor is there a stream emptying into the lagoon nearby. This area has a wide ocean-like sandy beach. Town of S. Lourenco do Sul, which is located east of BR-116. Sea level., -31.38333 -51.96666

MO

Podostemum distichum (Cham.) Wedd.

Brazil, Rio Grande do Sul, Abundant, large plants in swiftest current and small runs/waterfalls of cataracts, flowering and fruiting on exposed rock surfaces. Moraes River, a small river (ca. 10 m wide) that drains into the larger Rio das Antas. Collection from ca. 0.5 km upstream of the confluence of this river with the Rio das Antas, 16 S of the town of Bom Jesus. (Nos. 5131-5145 collected from separate rocks in the same area along stretch of river can 100 m long)., -28.8 -50.43333, 539m

MO

Podostemum irgangii C. Philbrick & Novelo

Brazil, Santa Catarina, Irani, Campo de Irani, -26.95 -51.83333, 700 - 900m

MO

Podostemum irgangii C. Philbrick & Novelo

Brazil, Santa Catarina, Quedad do Rio Chapecó, a series of waterfalls ca. 5 km W of the city of Abelardo Luz (a popular tourist/picnic place); water level too high and dangerous to go into rapids between falls, submerged along edge of rapids in swift current., 667m

MO

Podostemum muelleri Warm.

Brazil, Santa Catarina, Abundant. In spray zone away from direclty falling water, either on the side or behind falling water. About 120 km W. of city of Blumenau, off of BR-470, 4 km from the main road (BR-470) on dirt road., -27.3 -50.05, 463m

MO

Podostemum muelleri Warm.

Brazil, Santa Catarina, Abundant. In spray zone away from directly falling water, either on the side or behind falling water. Could not get to top of waterfall to collect. About 20 km W. of city of Blumenau, off of BR-470, 4 km from the main road (BR-470) on dirt road., -27.3 -50.05, 463m

MO

Podostemum muelleri Warm.

Brazil, Rio Grande do Sul, (Nos. 5082-5090 growing in the same area, essentially intermixed or at least growing in close proximity to each other, these collections made within 2-3 m of each other)., -29.23333 -52.18333, 91m

MO

Podostemum muelleri Warm.

Brazil, Rio Grande do Sul, Common, small stemmed plants (simple leaves) growing in directly fallin water of waterfall. Large (ca. 120 feet high) waterfall, 2-3 km above (North of) town of Riozinho, about 40 km SE of town of San Francisco do Paula., -29.58333 -50.43333, 73m

MO

Podostemum muelleri Warm.

Brazil, Santa Catarina, Common. Small river that drains into rio Itajai, passing under road (BR-470), ca. 16 km W of center of city Blumenau. Rio Tafona, Odd leaved P. mülleri; in falling water below dam. Podostemum rutifolium (Nos. 5177-5180), Podostemum mülleri (Nos. 5181-5182) and Tristicha trifaria (No. 5183) collected from this location., -26.86666 -49.23333, 68m

MO

Podostemum muelleri Warm.

Argentina, Misiones, San Ignacio, Salto del Å Tabay, balneario.

MO

Podostemum muelleri Warm.

Brazil, Santa Catarina, In spray zone away from directly falling water, either on the side or behind falling water. Could not get to top of waterfall to collect. About 120 km W. of city of Blumenau, off of BR-470, 4 km from the main road (BR-470) on dirt road., -27.3 -50.05, 463m

MO

Podostemum muelleri Warm.

Brazil, Santa Catarina, Common. Salto Pombinha (a water fall, ca. 20-30 m high), ca. 120 km W of Blumenau off BR-470; 4 km from BR-470, Pouso Redondo (town?). Could not get to top of falls; all plants collected from bottom of falls or downstream from falls; Collected from base of falls in heavy spray zone at base of falls (Nos. 5163-5168 from different rocks), Podostemum rutifolium (Nos. 5160-5162, 5169-5172, 5173-5176), and Podostemum mülleri (Nos. 5163-5167, 5168) collected from this location., -27.3 -50.05, 463m

MO

Podostemum rutifolium Warm.

Brazil, Santa Catarina, Itajahy, Blumenau

MO

Podostemum rutifolium Warm.

Argentina, Misiones, San Ignacio, Salto del Tabay, -26.98333 -55.2

MO

Podostemum rutifolium Warm.

Argentina, Misiones, San Ignacio, Salto del Tabay, -26.98333 -55.2

MO

Podostemum rutifolium Warm.

Argentina, Misiones, Libertador General San Martín, Arroyo Paranay Guazú

MO

Podostemum rutifolium Warm.

Paraguay, Itapúa, Cap. Meza, Ayo. Yaguarazapa, -26.93333 -55.21666

MO

Podostemum rutifolium Warm.

Argentina, Misiones, Iguazú, Parque Nacional Iguazú, Ruta 101, Arroyo Yacuy Grande, -25.7 -54.16666

MO

Podostemum rutifolium Warm.

Argentina, Misiones, Iguazú, Parque Nacional Iguazú, Río Iguazú, al S de Puerto Canoas, -25.70555 -54.41666

MO

Podostemum rutifolium Warm.

Argentina, Misiones, Iguazú, Parque Nacional Iguazú, Salto Dos Hermanas, -25.68611 -54.44583

MO

Podostemum rutifolium Warm.

Argentina, Misiones, Guaraní, Arroyo Paraíso, cruce con Ruta Provincial 2

MO

Podostemum rutifolium Warm.

Argentina, Misiones, Iguazú, Cataratas del Iguazú, entre rocas en un curso rápido de agua, -25.68333 -54.45

MO

Podostemum rutifolium Warm.

Brazil, Santa Catarina, Abundant, leaves much branched and narrow. In spray zone away from directly falling water, either on the side or behind falling water. Could not get to top of waterfall to collect. About 120 km W. of city of Blumenau, off of BR-470, 4 km from the main road (BR-470) on dirt road. (Nos. 5160-5176 collected in same area: Nos. 5160-5172 from beneath waterfall, and Nos. 5173-5176 from downstream of the waterfall)., -27.3 -50.05, 463m

MO

Podostemum rutifolium Warm.

Brazil, Rio Grande do Sul, Common. Small river (name not known) this river drains into rio Jaguari, ca. 24 km SE of town of Santiago; ca. 2 km SE of raod to Nova Esperanca, Ca. 4 km N of town of Jaguari on raod to Santiago. Nos. 5032-5037 from same general area; collected at least 2 m apart. Podostemum rutifolium (Nos. 5032-5036 and Tristicha trifaria (No. 5037) collected from this location., -29.45 -54.75, 115m

MO

Podostemum rutifolium Warm.

Brazil, Santa Catarina, Abundant, most leaves simple, but some divided. In spray zone away from directly falling water, either on the side or behind falling water. Could not get to top of waterfall to collect. About 120 km W. of city of Blumenau, off of BR-470, 4 km from the main road (BR-470) on dirt road. (Nos. 5160-5176 collected in same area: Nos. 5160-5172 from beneath waterfall, and Nos. 5173-5176 from downstream of the waterfall)., -27.3 -50.05, 463m

MO

Podostemum rutifolium Warm.

Brazil, Rio Grande do Sul, Abundant, dense growth. 44 km N of Santiago on road to Bocaruca Tupantuba, Santiago (County). Rio Taquarembo, Nos. 5041-5048 collected from the sema location. Collected ca. 75 m. upstream of No. 5041. Podostemum rutifolium (Nos. 5041-5044) and Podostemum comatum (5045-5048) collected from the same location., -28.88333 -54.93333

MO

Podostemum rutifolium Warm.

Argentina, Misiones, Iguazú, Arroyo Uruguay

MO

Podostemum rutifolium Warm.

Brazil, Rio Grande do Sul, Town of Tres Ilhas, Uruguay River. Common on isolated large rocks in an otherwise cobble-bottomed section of the river. These plants collected from two rocks what were ca. 400 m from the Argentina side of the river. We were taken to the middle of the river by boat. These plants were submerged in ca. 4 dm of moderate current. Tristicha trifaria (No. 5248) occurs occasionally on these rocks., -27.41666 -53.26666, 146m

MO

Podostemum rutifolium Warm.

Argentina, Misiones, Iguazú, Arroyo Uruguay

MO

Podostemum rutifolium Warm.

Argentina, Misiones, San Ignacio, Salto del Tabay, -26.98333 -55.2

MO

Podostemum rutifolium Warm.

Argentina, Misiones, Iguazú, Arroyo Aguaray Guazú

MO

Podostemum rutifolium Warm.

Brazil, Santa Catarina, rio Itajahy

MO

Podostemum rutifolium Warm.

Argentina, Misiones, Iguazú, Arroyo Uruguay

MO

Podostemum rutifolium Warm.

Argentina, Misiones, Iguazú, Arroyo Aguaray Miní

MO

Tristicha alternifolia (Willd.) Tul.

Madagascar, Antananarivo, Itasy, PK 23 route d'Arivonimamo, sur rocher, cours de rivière (Sisaony), -18.98333 47.31666, 1500m

MO

Tristicha alternifolia (Willd.) Tul.

Madagascar, Antananarivo, Itasy, PK 22 route Arivonimamo, -18.98333 47.31666, 1500m

MO

Tristicha alternifolia (Willd.) Tul.

Madagascar, Fianarantsoa, Ihorombe, Torrent de l'Horombe., -22.39166 45.66111, 900m

MO

Castelnavia fluitans Tul. & Wedd.

Brazil, Pará, Conceição do Araguaia, Rio Araguaia. Ca. 2 km downstream of bridge between Tocantins and Pará. Collected on island ca. 200 m from Pará-side of river., -8.3505556 -49.2766667, 154m

MO

Castelnavia fluitans Tul. & Wedd.

Brazil, Pará-Tocantins boundary. About 2 km down river of the towns of São Geraldo do Araguaia and Xambioá. Rio Araguaia. Plants collected at water's edge., -6.3877777 -48.5338889, 120m

MO

Castelnavia fluitans Tul. & Wedd.

Brazil, Pará, São João do Araguaia, About 1.5 hr (by boat) downstream of town in the Rio Araguaia. Collections made at the locality known as 'Ronca'., -5.2788889 -48.9569444, 90m

MO

Castelnavia fluitans Tul. & Wedd.

Brazil, Tocantins, São João do Araguaia. Outcrops in river about 300 m from shore., -5.3422222 -48.7691667, 130m

MO

Castelnavia fluitans Tul. & Wedd.

Brazil, Pará-Tocantins boundary. About 2 km down river of the towns of São Geraldo do Araguaia and Xambioá. Rio Araguaia. Collected from dry rocks along western shore, ca. 1 km above curren water level., -6.3877777 -48.5338889, 120m

MO

Castelnavia fluitans Tul. & Wedd.

Brazil, Mato Grosso do Sul, Bandeirantes, Juruena River, ca. 2-3 km upstream of location where ferry crosses river., -9.9505556 -56.2294445, 197m

MO

Castelnavia fluitans Tul. & Wedd.

Brazil, Mato Grosso, Colniza, Guariba River. Growing on outcrops ca. 10 m from S. shore., -9.2602778 -60.2933333, 94m

MO

Castelnavia fluitans Tul. & Wedd.

Brazil, Pará-Tocantins boundary. About 2 km down river of the towns of São Geraldo do Araguaia and Xambioá. Rio Araguaia. Plants collected from water's edge., -6.36 -48.5033333, 120m

MO

Castelnavia fluitans Tul. & Wedd.

Brazil, Pará-Tocantins boundary. About 2 km down river of the towns of São Geraldo do Araguaia and Xambioá. Rio Araguaia. Plants collected from water's edge., -6.36 -48.5033333, 120m