HYDROCHARITACEAE, de Jussieu, 1789

Baksh-Comeau, Yasmin S., Maharaj, Shobha S., Adams, Dennis, Harris, Stephen A., Filer, Denis L. & Hawthorne, William D., 2016, An annotated checklist of the vascular plants of Trinidad and Tobago with analysis of vegetation types and botanical ‘ hotspots’, Phytotaxa 250 (1), pp. 448-450 : 448-450

HYDROCHARITACEAE

Egeria densa Planch., Ann. Sci. Nat. Bot. sér. 3, 11: 80 (1849) Exotic.

Halophila baillonis Asch. ex Dickie, J. Linn. Soc. Bot. 14: 317 (1874) Habit: Aquatic. Habitat: Still, shallow coastal waters, in muddy sand. IUCN: LC. Star: GN. Vouchers (selected): TRINIDAD: Gasparee, Baker s.n (K); Scotland Bay, sine coll. (TRIN 15647). Global range: Cayman Islands, Greater Antilles, Virgin Islands, Lesser Antilles, Central America, Brazil.

Halophila decipiens Ostenf., Bot. Tidsskr. 24: 260 (1902) Habit: Aquatic. Habitat: Still, shallow coastal waters, in muddy sand. IUCN: LC. Star: GN. Vouchers (selected): TOBAGO: Bon Accord Lagoon, Juman s.n. (TRIN 34321). TRINIDAD: Chacachacare, Richardson 1043 (TRIN 16162), Cocos Bay, Jermy 11056 (BM); Scotland

CHECKLIST TO VASCULAR PLANTS OF TRINIDAD AND TOBAGO

Phytotaxa 250 (1) © 2016 Magnolia Press • 233 Bay, Richardson 222 (TRIN 15474), Jermy 10902 (BM); Point-a-Pierre Yacht Club, Juman & Alleng s.n. (TRIN 33261). Global range: Greater Antilles, Lesser Antilles, southern United States, Central America, northern South America.

Halophila engelmannii Asch., Anl. Wiss. Beobacht. Reisen , 1: 368 (1875) Habit: Aquatic. Habitat: Still, shallow coastal waters, in muddy sand. IUCN: LC. Star: GN. Vouchers (selected): TRINIDAD: Scotland Bay, Jermy 10901 (BM). Global range: Bahamas, Cayman Islands, Greater Antilles, southern United States.

Hydrilla verticillata (L.f.) Royle, Ill. Bot. Himal. Mts. 1: 376 (1839) Exotic.

Limnobium laevigatum (Humb. & Bonpl. ex Willd.) Heine , Adansonia 8: 315 (1868) Habit: Aquatic. Habitat: Floating in ponds and canals. IUCN: LC. Star: GN. Vouchers (selected): TRINIDAD: Oropuche Lagoon, [Finlay s.n.] (TRIN 1956); Manzanilla-Mayaro Road, Rowlatt 1450 (TRIN 28827); Nariva Swamp, Aitken 14 (K), Philcox & Philcox 8248 (BM, K, TRIN), Philcox et al. (TRIN 30396), Philcox & Stoelzel 8378 (TRIN 30397), Johnson s.n. (TRIN 28192); Los Bajos, Williams s.n. (TRIN 11179); Cedros, sine coll. (TRIN 823). Global range: Greater Antilles, Lesser Antilles, Mexico (Tabasco), Central America, Colombia, Venezuela, Guianas, Brazil, Ecuador, Peru, Bolivia, Paraguay, Uruguay, Argentina.

Najas guadalupensis (Spreng.) Magnus, Beitr. Kenntn. Gatt. Najas 8 (1870) Exotic.

Thalassia testudinum Banks & Solander ex K.D.Koenig, Ann. Bot. 2: 96 (1805) Common name: Turtle Grass. Habit: Aquatic. Habitat: Totally submersed in shallow marine waters. IUCN: LC. Star: GN. Vouchers (selected): TOBAGO: Pigeon Point, sine coll. (TRIN 14228). TRINIDAD: Gulf of Paria, Alexander & Broadway s.n. (TRIN); Chacachacare, Simmonds s.n. (TRIN 15032); Monos, sine coll. (TRIN 15031); Carenage, Broadway 6157 (K), Port of Spain, Jermy 10904 (BM); Balandra Bay, sine coll. (TRIN 15417). Global range: Bermuda, Bahamas, Cayman Islands, Greater Antilles, Virgin Islands, Lesser Antilles, southern United States, Mexico, Central America.