noun Etymology: Klamath (River) Date: 1922 a European yellow-flowered perennial Saint-John's-wort ( Hypericum perforatum ) that is naturalized in North America especially in rangelands
KLAMATH WEED
Meaning of KLAMATH WEED in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012