Sisyrinchium parvum (E.P. Bicknell) Espejo & López-Ferr. Sisyrinchium parvum (E.P. Bicknell) Espejo & López-Ferr. in Acta Bot. Mex. 41: 4. 1997 sec. Espejo-Serna & López-Ferrari 2008=Hydastylus parvus E.P. Bicknell in Bull. Torrey Bot. Club 27: 384. 1900 syn. sec. Espejo-Serna & López-Ferrari 2008