List of Theales of Montana explained

There are at least nine members of the St. Johnswort and Waterwort order: Theales found in Montana.^[1] Some of these species are exotics (not native to Montana).^[2]

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

Further reading

• Book: Schiemann, Donald Anthony . Wildflowers of Montana . Mountain Press Publishing . Missoula, MT . 0-87842-504-7 . 2005.

See also

• List of dicotyledons of Montana

Notes and References

1. Web site: St. Johnswort and Waterwort . Montana Natural Heritage Project. 2011-06-17.
2. Exotic species have been deliberately or accidentally introduced to areas outside of their native geographic range and are able to reproduce and maintain sustainable populations in these areas. These exotic populations may also be referred to as alien, introduced, invasive, non-native, or non-indigenous. Web site: Species Status Codes, Exotics. Montana Natural Heritage Project. 2011-06-17.