New York Natural Heritage Program
Sand Dune Willow
Salix cordata Michx.
Dicots
Salix cordata Troy Weldy
Family: Willow Family (Salicaceae)

State Protection: Threatened
listed species are those with: 1) 6 to fewer than 20 extant sites, or 2) 1,000 to fewer than 3,000 individuals, or 3) restricted to not less than 4 or more than 7 U.S.G.S. 7 minute topographical maps, or 4) listed as threatened by U.S. Department of Interior.

Federal Protection: Not Listed

State Rarity Rank: S2
A State Rarity Rank of S2 means: This plant is threatened/imperiled in New York because of rarity (typically 6-20 populations or few remaining individuals) or is vulnerable to extirpation from New York due to biological factors.

Global Rarity Rank: G4
A Global Rarity Rank of G4 means: This species is apparently secure globally (typically with more than 100+ populations), though it may be quite rare in parts of its range, especially at the periphery.


Did you know?
Mature sand dune willow is limited to a narrow ecological zone on the dune where there is continuous sunlight and sand with little organic content. A flea beetle, Altica subplicata, feeds on its leaves and directly decreases the growth and increases mortality of the plant.

State Ranking Justification [-]
There are seven known populations within a very limited range and habitat. Few to no new populations are expected since the areas of potential habitat have been well surveyed. There are minimal threats that include development and recreation activities, but many of the populations are within protected landscapes.

Short-term Trends [-]

Long-term Trends [-]