Niebla and
Vermilacinia (Ramalinaceae) from California and Baja California.
Spjut, R.W., 1996. ISSN 0833-1475, 208 pp.
Sida, Botanical Miscellany 14. Botanical Research Institute of Texas, Inc.
San Clemente Island, Weber & Santesson 185,
Holotype (US)
San Clemente Island, Weber & Santesson 185,
Isotype (COLO)
San Clemente Island, Weber & Santesson,
COLO: L-42638