- Hypericum anagalloides — tinker's-penny
- Hypericum ascyron — great St. John's-wort
- Hypericum boreale — northern St. John's-wort
- Hypericum canadense — Canadian St. John's-wort
- Hypericum dissimulatum — disguised St. John's-wort
- Hypericum ellipticum — pale St. John's-wort
- Hypericum gentianoides — orange-grass St. John's-wort
- Hypericum kalmianum — Kalm's St. John's-wort
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- Hypericum majus — larger Canadian St. John's-wort
- Hypericum mutilum — slender St. John's-wort
- Hypericum prolificum — shrubby St. John's-wort
- Hypericum punctatum — common St. John's-wort
- Hypericum scouleri — western St. John's-wort
- Hypericum sphaerocarpum — roundfruit St. John's-wort
- Triadenum fraseri — marsh St. John's-wort
- Triadenum virginicum — Virginia marsh St. John's-wort
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