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Dominant lichen on dark |
Close-up of thalli on rock above Punta Escarpada N of Puerta Catarina, Spjut 13041, Apr 1994. Occurring with Vermilacinia procera. |
| Additional location: Bahía Blanca, Pacific Coast between Guererro Negro and El Rosario; south of Punta Canoas. Rocks along the beach. Spjut & Marin 11466, 15 Apr 1990. 29º05'N, 114º47'W | Additional location: Punta Cono. Low rocky peninsula extending out from bay. Spjut & Marin 11532A, 15 Apr 1990. 28º57'N, 114º35'W, elev. 2 m. |
| Additional location: Vizcaino Peninsula: Vizcaino Rd, NE of Bahía Tortugas, Campito Lighthouse, north shore. On rocks of ridge. 27º48'22'N, 114º45'15''W, elev. 30 m. Spjut & Marin 13669, 28 Mar 1996. | . |
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Reported by Spjut (1995 to occur on the main peninsula of Baja
California from a ridge east above Punta Rocosa (between Punta Santa Rosalillita
and El Marrón), north to Campo Nuevo, near Punta San Fernando. The 1996
report cited above is a first report for occurrence on
the Vizcaíno Peninsula. A chemical analysis of a 35 g sample from
this location yielded 2.94% norstictic acid and 0.25% atranorin (Huneck
& Schmidt 1995, lo cit.). A sample from the Punta Escarpada location
shown above was found to contain norstictic acid, atranorin,
zeorin (hopane-6α,
22-diol), methyl β-orcinol carboxylate,
methyl haematommate, ent-16β-hydroxykaurane (Rakotondraibe
et al. 2024). Herrera-Campos, M., Parrinello, C. & Bungartz, F. 2021. Mobergia calculiformis (amended version of 2020 assessment). The IUCN Red List of Threatened Species 2021: e.T175709748A200461142.https://dx.doi.org/10.2305/IUCN.UK.2021-2.RLTS.T175709748A200461142.en Huneck S, Schmidt J. 1995. Ncue Flechtenanalysen aus verschiedenen Verwandtschaftskreisen. In: Daniëls FJA, Schulz M, Peine J (eds) Flechten Follmann: Contributions to lichenology in Honour of Gerhard Follmann, Geobotanical and Phytotaxonomica Study Group. Botanical Institute, University of Cologne, Cologne, Germany, p 27 Mayrhofer H, Sheard J W, Matzer M. 1992. Mobergia (Physciaceae, Lichenized Ascomycetes), a new genus endemic to western North America. The Bryologist 95:436. Rakotondraibe H L R, Spjut R W, Addo E M. 2024. Chemical Constituents Isolated from the Lichen Biome of Selected Species Native to North America. Prog Chem Org Nat Prod. 2024;124:185-233. doi: 10.1007/978-3-031-59567-7_3. PMID: 39101985. Spjut R W. 1995. Occurrence of Mobergia calculiformis (Physciaceae, Lecanorales) in the Northern Vizcaíno Desert of Baja California, Mexico. In: Daniëls FJA, Schulz M, Peine J (eds) Flechten Follmann: Contributions to lichenology in Honour of Gerhard Follmann, Geobotanical and Phytotaxonomica Study Group, Botanical Institute. University of Cologne, Cologne, Germany, 475-482.
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