Yale University Herbarium

YU.028172

PLANTAE EXSICCATAE GRAYANAE

1202. Potamogeton filiformis PERS.,
Var. borealis (RAF.) ST. JOHN

In Rhodora, xviii. 134 (1916); Polunin in Bull. Nat. Mus. Canada, no. 92, 41 (1940).

Syn. *P. marinus* sensu Michx. Fl. Bor.-Am. i. 102 (1808), non L. (1753). *P. borealis* Raf. Med. Repos. hex. 2, v. 354 (1808).

Nadeau Lake, Fort Fairfield, Aroostook County, MAINE.
Coll. F.H.STEINMETZ, EDITH B. OGDEN (no. 841).

July 12, 1939.

Yale University Herbarium

YU.028172

PLANTAE EXSICCATAE GRAYANAE

1202. Potamogeton filiformis PERS.,
Var. borealis (RAY.) ST. JOHN

In Rhodora, xviii. 154 (1916); Polunin in Bull. Nat.
Mus. Canada, no. 92, 41 (1940).

Syn. *P. marinus* sensu Michx. Fl. Bor.-Am. i. 102
(1803), non L. (1758). *P. borealis* Raf. Med. Repos. hex.
2, v. 354 (1808).

July 12, 1939.