World Checklist of Selected Plant Families: Royal Botanic Gardens, Kew

Schoenoplectus smithii subsp. williamsii (Fernald) Soj�k, Cas. N�r. Mus., Odd. Pr�r. 148: 194 (1979 publ. 1980).

This name is a synonym.

Homotypic Names:
Accepted Name:	Schoenoplectiella purshiana (Fernald) Lye, Lidia 6: 26 (2003).
Family:	Cyperaceae
* Scirpus debilis var. williamsii Fernald, Rhodora 3: 252 (1901). Scirpus purshianus f. williamsii (Fernald) Fernald, Rhodora 44: 479 (1942). Scirpus smithii var. williamsii (Fernald) Beetle, Amer. J. Bot. 29: 655 (1942). Scirpus juncoides var. williamsii (Fernald) T.Koyama, Canad. J. Bot. 40: 914 (1962). Schoenoplectus purshianus var. williamsii (Fernald) S.G.Sm., Novon 12: 107 (2002). Schoenoplectiella purshiana var. williamsii (Fernald) Hayas., J. Jap. Bot. 87: 183 (2012). * Basionym/Replaced Synonym
Original Compiler:	R.Govaerts