Preliminary version 1 May 2015

Caloplaca wetmorei Nimis, Poelt & Tretiach

Bryologist 97, 2: 183 (1994).

Synonym: Index Fungorum

Protolog: "Type: Mexico. Baja California Sur. Sierra de la Laguna, 23°30'N, 110°00'W, near a small creek, ca. 1,700 m, growing parasitically on Pertusaria and Buellia species, on a granitic boulder, 16.2.1993, Nimis & Tretiach (TSB 16664 holotype; ASU, GZU, MEXU, MIN, isotypes. Further isotypes will be distributed in Vezda, Lichenes Rariores Exsiccati).
Thalli aurantiaci, parasiticis, ad margines indistincte lobulati, in centro lobulis erectis isidiiformibus, cylindricis, dense tecti. Apothecia 0.3-0.7 mm diam., discis planis ...".
Type locality: Mexico, Baja California Sur, Sierra de la Laguna, near a small creek, ca. 1,700 m, growing parasitically on Pertusaria and Buellia species, on a granitic boulder, 16.2.1993, Nimis & Tretiach (TSB 16664, holotype; ASU, GZU, MEXU, MIN, isotypes. Further isotypes will be distributed in Vezda, Lichenes Rariores Exsiccati)..
Barcode: Data lacking.
Coordinates: 23°30'N, 110°00'W, Data lacking.

 

Thallus: crustose, areolate, without elongated lobes; prothallus absent; surface orange, smooth, isidiate; isidia laminal, cylindrical; cortex cellular, thin. Apothecia rare, adnate, 0.3-0.4 mm in diam., lecanorine; disc orange, flat or slightly concave, epruinose; margin persistent, flush; thalline margin absent; proper margin visible, concolorous with disc; parathecium elongate to oval cells; exciple below hypothecium cellular (paraplectenchymatous); epihymenium golden, K+ red; hymenium hyaline, 70-75 µm tall; paraphyses 1-2 tip cells slightly swollen, frequently branched; subhymenium hyaline. Asci cylindrical, 8-spored. Ascospores hyaline, 2 locules, ellipsoid, 12-17 x 6-8 µm, isthmus 1-1.5 µm, spore end wall thin. Pycnidia not observed (Nash et al.2001: xx).

Photobiont: Data lacking.

Chemistry: Thallus K+ red; unidentified anthraquinones (Nash et al. 2001: xx).

Ecology: On non-calcareous rocks.

Molecular data: Genbank

Distribution: Database

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