ABSTRACT
The Clinch River gorge area of Russell County, Virginia, contains several species of biogeographic interest. At or near the southeastern extent of their ranges are <em>Sullivantia sullivantii</em>, <em>Campanula rotundifolia</em>, <em>Galium boreale</em>, <em>Rhynchospora capillacea</em>, <em>Paxistima canbyi</em>, <em>Apocynum sibiricum</em>, <em>Euphorbia purpurea</em>, <em>Deschampsia caespitosa</em>, and <em>Fraxinus nigra</em>. At or near the northeastern extent are <em>Lithospermum tuberosum</em> and <em>Viola walteri</em>. Several other unusual species occur here. Details of physiography and habitats are given.