Imperiled globally - The subspecies/variety is at high risk of extinction due to rarity or other factors; typically 20 or fewer populations or locations in the world, very few individuals, very restricted range, few remaining acres (or miles of stream), and/or steep declines. (The species as a whole is at moderate risk of extinction.)
State conservation status rank:
SX
Presumed Extirpated from New York - No existing locations known anywhere in New York despite intensive searches of historical locations and other appropriate habitat, and virtually no likelihood of rediscovery.
Federal protection:
Threatened
Listed as Threatened under the Federal Endangered Species Act
State protection:
Threatened
Listed as Threatened by New York State: likely to become Endangered in the foreseeable future. For animals, taking, importation, transportation, or possession is prohibited, except under license or permit. For plants, removal or damage without the consent of the landowner is prohibited.