New York Natural Heritage Program
Bigleaf Yellow Avens
Geum macrophyllum var. macrophyllum
Geum macrophyllum Stephen M. Young
Family: Rose Family (Rosaceae)

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: G5T5
A Global Rarity Rank of G5T5 means: Secure globally - Both the species as a whole and the subspecies/variety are common in the world; widespread and abundant (but may be rare in some parts of its range).

Did you know?
The leaves and roots of Geum macrophyllum were used medicinally by native Americans. The species name refers to the large terminal leaflet on its basal leaves.

State Ranking Justification [-]
There is one record from 1984 which has not been resurveyed and there is no detailed information about its condition. There is another recent record from the Catskills. There are 12 additional historical occurrences from the Adirondacks and Catskills which need to be checked.

Short-term Trends [-]

Long-term Trends [-]