Common name: Green Floater
Scientific name: Lasmigona subviridis (Conrad, 1835)

Class:
Bivalvia (Bivalves)
Order:
Unionoida (Freshwater Mussels)
Family:
Unionidae (Unionid Mussels)
Synonyms:
Other common names:

Habitat type(s):
Habitat description(s)
Riverine:
CREEK, Low gradient, Pool, MEDIUM RIVER, Moderate gradient

Ecological systems and subsytems (about):
RIVERINE - NATURAL STREAMS:
Confined river (guide)
The aquatic community of relatively large, fast flowing sections of streams with a moderate to gentle gradient.
RIVERINE - NATURAL STREAMS:
Unconfined river* (guide)
The aquatic community of large, quiet, base level sections of streams with a very low gradient.

* probable association but not confirmed.


Conservation:
Global conservation status rank:
G2G3
Imperiled or Vulnerable globally - At high or moderate risk of extinction due to rarity or other factors; typically 80 or fewer populations or locations in the world, few individuals, restricted range, few remaining acres (or miles of stream), and/or recent and widespread declines. More information is needed to assign either G2 or G3.
State conservation status rank:
S2
Imperiled in New York - Very vulnerable to disappearing from New York due to rarity or other factors; typically 6 to 20 populations or locations in New York, very few individuals, very restricted range, few remaining acres (or miles of stream), and/or steep declines.
Federal protection:
Proposed Threatened
Proposed for Listing 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.
SGCN:
NYNHP track status:
Y: Track all extant and selected historical EOs

More information:
Conservation guide:
https://guides.nynhp.org/green-floater/
NatureServe explorer link:
https://explorer.natureserve.org/Taxon/ELEMENT_GLOBAL.2.107377/Lasmigona_subviridis/