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.

Arroyo San Andrés, Vizcaíno Peninsula, type locality, Apr 1990

Mesa Camacho,
Spjut & Marin 13125, Apr 1994

Vizcaíno Peninsula, Spjut 9975A, May 1986, isotype

Mesa Camacho, Spjut & Marin 13078, Apr 1994

Vizcaíno Peninsula, Spjut 9966, May 1986

Vizcaíno Peninsula, Spjut 9975A, May 1986, isotype, close-up of branch and isidia