New York Natural Heritage Program
Downy Carrion-flower
Smilax pulverulenta Michx.
Monocots
Family: Greenbrier Family (Smilacaceae)

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: G4G5
A Global Rarity Rank of G4G5 means: Apparently or Demonstrably Secure globally - Uncommon to common 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. More information is needed to assign a single conservation status.


Did you know?
The species name is Latin for powdery and refers to the small hairs on the veins beneath leaves (Fernald 1950).

State Ranking Justification [-]
There are three existing populations but all of them have under 100 plants each. One population from 1916 was rediscovered in the 1990s and one other population from the 1870s needs to be resurveyed. 2 populations known from 1893 and 1919 respectively, no longer exist because their habitat has been destroyed.

Short-term Trends [-]

Long-term Trends [-]