Epioblasma florentina (I. Lea, 1857)

Yellow blossom pearly mussel, Yellow blossom



Taxonomy & Nomenclature

Synonym/s: Dysnomia florentina I. Lea, 1857; Epioblasma florentina florentina (I. Lea, 1857)


Conservation Status




Alabama, Kentucky, Tennessee and Virginia, USA


Biology & Ecology




6 specimens are in the Illinois Natural History Survey mollusc [url=https://www.inhs.illinois.edu/animals_plants/mollusk/]collection[/url]:

INHS 20536
INHS 20537
INHS 20538
INHS 20539
INHS 20705
INHS 20706

A 7th specimen simply labelled "Epioblasma florentina" (INHS 17043) is probably also of the nominate (and extinct) subspecies






Bogan, Arthur E. and Parmalee, Paul W. (1983). Tennessee's Rare Wildlife. Volume II: The Mollusks. Tennessee Wildlife Resources Agency.

Graf, Daniel L. and Cummings, Kevin S. (2021). A ‘big data’ approach to global freshwater mussel diversity (Bivalvia: Unionoida), with an updated checklist of genera and species. Journal of Molluscan Studies 87(1): eyaa034.

Morrison, J. P. E. (1942). Preliminary report on mollusks found in the shell mounds of the Pickwidk Landing basin in the Tennessee River valley. Bureau of American Ethnology Bulletin 129: 339-392.

NatureServe. (2014). NatureServe Explorer: An online encyclopedia of life [web application]. Version 7.1. NatureServe, Arlington, Virginia. Available https://explorer.natureserve.org. (Accessed: January 27, 2015 ).

Ortmann, A. E. (1925). The naiad fauna of the Tennessee River system below Walden Gorge. The American Midland Naturalist, 9(7): 321-371.

Parmalee, P. W. and Bogan, A. E. (1998). The Freshwater Mussels of Tennessee. University of Tennessee Press: Knoxville, Tennessee. 328 pp.

Turgeon, D.D., J.F. Quinn, Jr., A.E. Bogan, E.V. Coan, F.G. Hochberg, W.G. Lyons, P.M. Mikkelsen, R.J. Neves, C.F.E. Roper, G. Rosenberg, B. Roth, A. Scheltema, F.G. Thompson, M. Vecchione, and J.D. Williams. 1998. Common and scientific names of aquatic invertebrates from the United States and Canada: Mollusks. 2nd Edition. American Fisheries Society Special Publication 26, Bethesda, Maryland: 526 pp.

U.S. Fish and Wildlife Service (USFWS). (1985). Recovery plan for tubercled-blossom pearly mussel Epioblasma (= Dysnomia) torulosa torulosa (Rafinesque, 1820), turgid-blossom pearly mussel Epioblasma (= Dysnomia) turdigula (Lea, 1858), and yellow-blossom pearly mussel Epioblasma (= Dysnomia) florentina florentina (Lea, 1857). U.S. Fish and Wildlife Service, Atlanta, Georgia. 39 pp.

Williams, James D., Bogan, Arthur E., Butler, Robert S., Cummings, Kevin S., Garner, Jeffrey T., Harris, John L., Johnson, Nathan A. and Watters, G. Thomas. (2017). A revised list of the freshwater mussels (Mollusca: Bivalvia: Unionida) of the United States and Canada. Freshwater Mollusk Biology and Conservation 20: 33-58.





<< Back to the Bivalvia (Mussels, Clams, Oysters etc.) database