Allotropa virgata Torr. & Gray
First mention of this genus and species was in Newberry (1858) in a footnote along with the description of Hemitomes congestum (page 80), with the addition 'ined.', which means ineditus = not published. The full description appeared in Gray (1868) on page 368. The species is accepted by Wallace (1975). Distributed in western USA and Canada.