New York Natural Heritage Program
Coppery St. John's-wort
Hypericum denticulatum Walt.
Dicots
Hypericum denticulatum Robert E. Zaremba
Family: st. john's-wort family (Clusiaceae)

State Protection: Endangered
listed species are those with: 1) 5 or fewer extant sites, or 2) fewer than 1,000 individuals, or 3) restricted to fewer than 4 U.S.G.S. 7 minute topographical maps, or 4) species listed as endangered by U.S. Department of Interior.

Federal Protection: Not Listed

State Rarity Rank: S1
A State Rarity Rank of S1 means: This plant is endangered/critically imperiled in New York because of extreme rarity (typically 5 or fewer populations or very few remaining individuals) or is extremely vulnerable to extirpation from New York due to biological factors.

Global Rarity Rank: G5
A Global Rarity Rank of G5 means: This species is demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery.


Did you know?
The only population in New York has not been seen in many years but it grows in a habitat that changes from year to year, so it may still be in the seed bank waiting to reappear when conditions are right.

State Ranking Justification [-]
There is one existing population and no other historical occurrences.

Short-term Trends [-]

Long-term Trends [-]