Crataegus pearsonii Ashe (1900:10)
Pearson's hawthorn
Taxonomy & Nomenclature
Conservation Status
Extinct (source) or Invalid (synonym of C. lassa lassa) (Weakley, 2015 cited in Knapp et al., 2021)
Last record: 1994 (source)
Distribution
Louisiana, Mississippi & Texas, USA
Biology & Ecology
Hypodigm
Media
References
Chapman, A. W. (1863). Flora of the southern United States: containing an abridged description of the flowering plants and ferns of Tennessee, North and South Carolina, Georgia, Alabama, Mississippi, and Florida: arranged according to the natural system, first edition. American Book Company, NY.
Knapp, Wesley M., Frances, Anne, Noss, Reed, Naczi, Robert F. C., Weakley, Alan, Gann, George D., Baldwin, Bruce G., Miller, James, McIntyre, Patrick, Mishler, Brent D., Moore, Gerry, Olmstead, Richard G., Strong, Anna, Kennedy, Kathryn, Heidel, Bonnie and Gluesenkamp, Daniel. (2021). Vascular plant extinction in the continental United States and Canada. Conservation Biology 35(1): 360-368. https://doi.org/10.1111/cobi.13621 [Supporting Information (Appendix S1)]
Kral, R., Diamond, A. R., Ginzbarg, S. L., Hansen, C. J., Haynes, R. R., Keener, B. R., Lelong, M. G., Spaulding, D. D. and Woods, M. (2011). Annotated checklist of the vascular plants of Alabama: 1-112. Botanical reseach institute of Texas.
Phipps, J. A. (2014). Crataegus, pp. 491-643. In: Flora of North America Editorial Committee, eds. 1993+, Flora of North America North of Mexico. 19+ vols. New York and Oxford. Vol. 9.
POWO. (2024). Plants of the World Online (online resource). Facilitated by the Royal Botanic Gardens, Kew, United Kingdom. Available at: https://powo.science.kew.org/ [Accessed 12 July 2024]
Small, J. K. (1933). Manual of the southeastern flora, being descriptions of the seed plants growing naturally in Florida, Alabama, Mississippi, eastern Louisiana, Tennessee, North Carolina, South Carolina, and Georgia. University of North Carolina Press, Chapel Hill, N.C.
Turner, B. L., Nichols, H., Denny, G. and Doron, O. (2003). Atlas of the Vascular Plants of Texas. BRIT, Fort Worth, TX. 648 pp.
Weakley, A. S. (2015). Flora of the Southern and Mid-Atlantic States. Working Draft: 21 May 2015. <http://www.herbarium.unc.edu/flora.htm>
https://www.currentresults.com/Endangered-Animals/North-America/recently-extinct-animals.php