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- Title
A new species of Placocarpus (Verrucariaceae) from southern California.
- Authors
Knudsen, Kerry; Breuss, Othmar; Kocourková, Jana
- Abstract
A new species, Placocarpus americanus, is described from the Santa Monica Mountains in Southern California. It is a juvenile parasite on Protoparmeliopsis muralis and differs from Placocarpus schaereri in having smaller non-halonate ascospores, a negative iodine reaction of the medulla, lack of inspersion of the medulla with small crystals, and having a thallus of dispersed areoles.
- Subjects
SANTA Monica Mountains (Calif.); CALIFORNIA; ASCOSPORES; BIOLOGICAL classification; MOUNTAINS; VERRUCARIACEAE; LICHENICOLOUS fungi
- Publication
Lichenologist, 2009, Vol 41, Issue 6, p627
- ISSN
0024-2829
- Publication type
Article
- DOI
10.1017/S0024282909008949