List of Theales of Montana

There are at least nine members of the St. Johnswort and Waterwort order: Theales found in Montana. Some of these species are exotics (not native to Montana).

St. John's wort
Family: Clusiaceae
 * Hypericum anagalloides, tinker's-penny
 * Hypericum majus, larger Canadian St. John's-wort
 * Hypericum perforatum, common St. John's-wort
 * Hypericum scouleri, western St. John's-wort
 * Hypericum scouleri subsp. nortoniae, western St. John's-wort
 * Hypericum scouleri subsp. scouleri, Scouler's St. Johns-wort

Waterwort
Family: Elatinaceae
 * Elatine brachysperma, short-seeded water-wort
 * Elatine californica, California water-wort
 * Elatine triandra, longstem water-wort