New York Natural Heritage Program
St. Andrew's Cross
Hypericum stragulum P. Adams & Robson
Dicots
plant Stephen M. Young
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: G5T4
A Global Rarity Rank of G5T4 means: Apparently Secure globally - The subspecies/variety is uncommon in the world but not rare; usually widespread, but may be rare in some parts of its range; possibly some cause for long-term concern due to declines or other factors. (The species as a whole is common globally.)


Did you know?
This species has managed to take advantage of disturbance created by humans along sandy powerline rights-of-way. The genus name is from the ancient Greek name for this plant, hypericon and is often found in older texts under the genus Ascyron (Fernald 1950).

State Ranking Justification [-]
There are six existing populations but only two of them have over 100 plants. The other four are small in number and area. There are six populations from the late 1800s and early 1900s. Three of them have not been rechecked and three of them are considered extirpated because of development.

Short-term Trends [-]

Long-term Trends [-]