Betula lenta uber (Ashe) A.E.Murray (1982:18)
Virginia round-leaf birch, Virginia birch, Ashe birch, Ashe's birch
Taxonomy & Nomenclature
Synonym/s: Betula lenta f. uber (Ashe) McAll. & Ashburner in Bot. Mag. 21: 58 (2004); Betula lenta var. uber Ashe in Rhodora 20: 64 (1918); Betula uber (Ashe) Fernald in Rhodora 47: 325 (1945)
Conservation Status
Last record: 1914 (Ogle & Mazzeo, 1976:248,250); 1918 (Shaw et al., 2014:10)
Rediscovered on 22 August 1975 (Ogle & Mazzeo, 1976:249)
Distribution
Smyth County, Virginia, USA
Biology & Ecology
Hypodigm
Media
References
Original scientific description:
Ashe, W. W. (1918). Notes on Betula. Rhodora 20: 63-64.
Other references:
Ashburner, K. and McAllister, H. A. (2004). Plate 487. Betula lenta f. uber. Betulaceae. Curtis’s Botanical Magazine 21: 54-60.
Ashburner, K. and McAllister, H. A. (2013). The genus Betula: a taxonomic revision of birches: 1-431. Royal Botanic Gardens, Kew.
Fernald, M. L. (1945). Notes on Betula in eastern North America. Rhodora 47: 303-328.
Fernald, M. L. (1950). Gray's Manual of Botany, 8th ed. American Book Company, New York.
Govaerts, R. (1996). World Checklist of Seed Plants 2(1, 2): 1-492. MIM, Deurne.
Govaerts, R. (2003). World Checklist of Selected Plant Families Database in ACCESS: 1-216203. The Board of Trustees of the Royal Botanic Gardens, Kew.
Govaerts, R. H. A. (2011). World checklist of selected plant families published update Facilitated by the Trustees of the Royal Botanic Gardens, Kew.
Johnson, A. G. (1954). Betula lenta var. uber Ashe. Rhodora 56: 129-131.
Kartesz, J. T. (1994). A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
Kartesz, J. T. (1999). A synonymized checklist and atlas with biological attributes for the vascular flora of the United States, Canada, and Greenland. First edition. In: Kartesz, J.T., and C.A. Meacham. Synthesis of the North American Flora, Version 1.0. North Carolina Botanical Garden, Chapel Hill, N.C.
Kinkead, G. (1976). Our Footloose Correspondents: The Search for Betula uber. The New Yorker, pp. 58-69. 12 January.
Kral, R. (1983). A report on some rare, threatened, or endangered forest-related vascular plants of the South. U.S. Dept. of Agriculture Forest Service Technical Publication R8-TP2, Athens, GA. 1305 pp.
Little, E. L. Jr. (1975). Our Rare and Endangered Trees. American Forests 81: 16-21, 55-57.
Little, E. L., Jr. (1979). Checklist of United States trees (native and naturalized). Agriculture Handbook No. 541. U.S. Forest Service, Washington, D.C. 375 pp.
Lucas, G. and Synge, H. (1978). Betula uber (Ashe) Fernald, pp. 83-84. In: The IUCN Plant Red Data Book. Morges. Switzerland: IUCN.
Massey, A. B. and Hundley, L. R. (1955). Betula uber (Ashe) Fernald in Smyth Co., Va. Va. J. Sci. 6:247-48. (Abstract of paper presented at Biology Section, Virginia Academy of Science Annual Meeting, Harrisonburg, Va., 11-14 May).
Mazzeo, P. M. (1971). Betula uber-What Is It and Where Is It? Va. J. Sci. 22:106. (Abstract of paper presented at Botany Section, Virginia Academy of Science Annual Meeting, Blacksburg, Va., 13 May)
Mazzeo, P. M. (1973). Notes on the Distribution of the Betulaceae (Birch Family) in Virginia. Jeffersonia: A Newsletter of Virginia Botany 7: 2-4.
Mazzeo, P. M. (1974). Betula uber-What Is It and Where Is It? Castanea 39: 273-78.
Namkoong, G. (1980). Genetic considerations in the management of rare and local tree populations, pp. 59-66. In: Feret, P. P. and Sharik, T. L. (eds.). Proc. Conf. Dendrology in the Eastern Deciduous Forest Biome. September 11-13, 1979, Blacksburg, VA. Virginia Tech University, School of Forestry and Wildlife Resources Publication No. FWS-2-80.
Ogle, Douglas W. (1976). Betula uber, the Virginia round-leaf birch, rediscovered in southwest Virginia. Virg. J. Sci. 27(2): 59.
Ogle, Douglas W. (2003). Status assessment of the Virginia round-leaf birch, Betula uber (Ashe) Fernald, with recommendations for delisting. Glade Spring, VA. 13 pp.
Ogle, Douglas W. and Mazzeo, Peter M. (1976). Betula uber, the Virginia round-leaf birch, rediscovered in south-west Virginia. Castanea 41(3): 248-256.
Oldfield, Sara, Lusty, Charlotte and MacKinven, Amy (compilers). (1998). The World List of Threatened Trees. Cambridge, U.K.: World Conservation Press. 650 pp.
Parkin, M. and Surabain, D. (1993). Endangered and threatened wildlife and plants; Proposed reclassification of Betula uber (Virgina round-leaf birch) from endangered to threatened. Federal Register 58(232): 64281-64285.
Petrides, G. A. (1972). A Field Guide to Trees and Shrubs, 2nd ed. Boston: Houghton Mifflin Company.
Reed, C. F. (1975). Betula uber (Ashe) Fernald rediscovered in Virginia. Phytologia 32(4): 305-311.
Sharik, T. L. (1985). Virginia round-leaf birch (Betula uber) revised recovery plan. Prepared for the U.S. Fish and Wildlife Service, Region 5, Newton Corner, MA.
Shaw, Kirsty, Stritch, Larry, Rivers, Malin, Roy, Shyamali, Wilson, Becky and Govaerts, Rafaël. (2014). The Red List of Betulaceae. Richmond, UK: BGCI.
Smithsonian Institution. (1974). Report on Endangered and Threatened Plant Species of the United States. Washington, D.C. 15 December.
U. S. Department of Interior. (1975). Threatened or Endangered Fauna or Flora. In Federal Register 40: (127): 27824-27924. 1 July.
U.S. Fish and Wildlife Service (USFWS). (1978). Determination that 11 plant taxa are endangered species and 2 plant taxa are threatened species. Federal Register 43(81): 17910-17916.
U.S. Fish and Wildlife Service. (1990). Virginia round-leaf birch recovery plan. Newton Corner, MA. 43 pp.
U.S. Fish and Wildlife Service (USFWS). (1994). Reclassification of the Virginia round-leaf birch (Betula uber) from endangered to threatened. Federal Register 59(220): 59173-59177.
U.S. Fish and Wildlife Service (2005) Virginia round leaf birch (Betula uber). Northeast Region U.S. Fish and Wildlife Service, Hadley, MA.
U.S. Fish and Wildlife Service. (2006). Virginia Round-Leaf Birch Betula uber (Ashe) Fernald 5-Year Review: Summary and Evaluation. U.S. Fish and Wildlife Service (USFWS), Virginia Field Office, Gloucester.
https://en.wikipedia.org/wiki/Betula_uber