Hemistena lata NatureServe Explorer Species Reports — NatureServe Explorer is a source for authoritative conservation information on more than 50,000 plants, animals and ecological communtities of the U.S and Canada. NatureServe Explorer provides in-depth information on rare and endangered species, but includes common plants and animals too. NatureServe Explorer is a product of NatureServe in collaboration with the Natural Heritage Network. These mussels have thin, fairly weak, elongated shells. The shells may reach up to 69 millimetres (2.7 in) in height The outer coloring of the shell varies from yellow to brown, while the interior of the shell is pale bluish white, with a purple beak cavity. Parmalee and Bogan reported that there were still populations in the Clinch River in Tennessee. Other populations that are known to survive are located in the Powell and Elk Rivers.
ITIS Reports — ITIS (the Integrated Taxonomic Information System) is a source for authoritative taxonomic information on plants, animals, fungi, and microbes of North America and the world. The cracking pearlymussel (Hemistena lata) is an endangered species of freshwater mussel, an aquatic bivalve mollusk in the family Unionidae. This species is native to the United States, where it remains only in Tennessee and Virginia.
FWS Digital Media Library — The U.S. Fish and Wildlife Service’s National Digital Library is a searchable collection of selected images, historical artifacts, audio clips, publications, and video.