[21] The name “fingergrass” applied to erect spp.
[22] Not listed in Hitchcock’s 1951 manual.
[23] The name H. nodosum has generally been misapplied to H. brachyantherum in this country.
[24] The name “oniongrass” applied to those spp. with bulblike stem bases.
[25] M. foliosa is a name formerly applied to M. mexicana. M. mexicana was then misapplied to the recently recognized M. frondosa (Poir.) Fernald, which it resembles.
[26] Considered to be a form of M. richardsonis (Trin.) Rydb., see 1951 ed. of Hitchcock’s manual, p. 382.
[27] Listed as P. fluitans (Ell.) Kunth on p. 602 of Hitchcock’s 1951 manual.
[28] Listed as P. typhoides, Stapf and Hubbard, page 74 USDA Handbook 170, “Grass varieties in the U.S.,” June, 1965.
[29] Older name, now listed as P. setaceum, p. 729 in Hitchcock’s 1951 manual.
[30] Included in Tricholaena in some manuals.