Virginia Round-leaf Birch Recovery Plan |
Common terms and phrases
additional natural populations adjacent landowners adult trees agencies alleghaniensis areas and monitor Betula lenta Betula uber biology Blacksburg Broadcast seed Characterize chemical closely related taxa closure order conducted controlled crosses involving dark-barked birches Dickey Creek Encourage natural regeneration endangered plants endangered status existing habitat existing individuals existing population extinct fences Fish and Wildlife Forest Service property gene genotypes germination and establishment growing season habitat habitat requirements Implement Jefferson National Forest Large numbers lenta maintenance and expansion monitor individuals National Arboretum number of individuals open pollinations Peregrine Falcon pioneer species pollinations and controlled private land progeny Protect areas public lands recommendations recovery plan reduced vigor reproductive and genetic seed from open seedlings and saplings Sharik Smyth County sweet birch tasks tion U.S. Fish U.S. Forest Service U.S. National Arboretum uber and closely uber individuals uber population vegetative material vegetatively propagated Virginia Polytechnic Institute Virginia round-leaf birch Wildlife Service zone of management