Betula lenta ssp. uber


Taxonomy [top]

Kingdom Phylum Class Order Family

Scientific Name: Betula lenta ssp. uber
Species Authority: (Ashe) A.E.Murray
Parent Species:
Common Name(s):
English Virginia Round-leaf Birch
Betula uber (Ashe) Fern.

Assessment Information [top]

Red List Category & Criteria: Critically Endangered D ver 2.3
Year Published: 1998
Date Assessed: 1998-01-01
Needs updating
Assessor(s): World Conservation Monitoring Centre
1997 Endangered (Walter and Gillett 1998)

Geographic Range [top]

Range Description: Described in 1918 and subsequently thought to have become extinct, the species was rediscovered along the banks of Cressy Creek in 1975. The population is found in highly disturbed second-growth forest along a 1 km stretch of the river owned by private and federal government parties. The number of individuals has been reduced from 41 to 11.
United States (Virginia)
Range Map: Click here to open the map viewer and explore range.

Habitat and Ecology [top]

Habitat and Ecology: Highly disturbed second-growth forest along river.
Systems: Terrestrial

Conservation Actions [top]

Conservation Actions: Protective measures are in place and a large-scale replanting programme has resulted in the establishment of 20 subpopulations of sub-adult trees. The species is interfertile with B. lenta and introduced subpopulations contain hybrids. It is listed as threatened in the US Endangered Species Act.

Citation: World Conservation Monitoring Centre 1998. Betula lenta ssp. uber. The IUCN Red List of Threatened Species. Version 2014.3. <>. Downloaded on 27 March 2015.
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