Key trace in Brodo (2016): 1. Rhizines absent in a broad zone close to the lobe margin; maculae not common and usually inconspicuous, never reticulate 7.(1) Marginal cilia or cilia-like rhizines present (although sometimes sparse), on lobe margins or in axils of lobes 8. Soredia present. 20.(8) Medulla K 21. Soredia developing from breakdown of thallus cortex, not isidia 22. Soredia on the upper surface of lobe tips; west coast
Ken-ichi Ueda
2016-11-00
2016/11/03
United States of America, California, Skyline Gardens, EBMUD, Contra Costa County, CA, USA