Isanthus brachiatus (Linnaeus) Britton, Sterns & Poggenberg Dataset Database of Vascular Plants of Canada (VASCAN) Rank SPECIES Classification class Equisetopsida order Lamiales family Lamiaceae genus Trichostema species Trichostema brachiatum Name Homonyms Isanthus brachiatus (Linnaeus) Britton, Sterns & Poggenberg