Consortium of Lichen Herbaria
- building a Global Consortium of Bryophytes and Lichens as keystones of cryptobiotic communities -
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Pyrenodesmia variabilis (Pers.) A. Massal.   (redirected from: Caloplaca variabilis (Pers.) Müll. Arg.)
Family: Teloschistaceae
[Callopisma paepalostomum (Anzi) Jatta, moreCallopisma variabile (Pers.) Trevis., Callopisma variabile var. variabile (Pers.) Trevis., Caloplaca alpestris f. ochracea (Müll. Arg.) Ozenda & Clauzade, Caloplaca chalybaea f. ochracea (Müll. Arg.) Ozenda & Clauzade, Caloplaca variabilis (Pers.) Müll. Arg., Caloplaca variabilis f. fulva (Anzi) Clauzade & Cl. Roux, Caloplaca variabilis f. fusca (A. Massal.) Jatta, Caloplaca variabilis f. paepalostoma (Anzi) Clauzade & Cl. Roux, Caloplaca variabilis f. variabilis (Pers.) Müll. Arg., Caloplaca variabilis subsp. variabilis (Pers.) Müll. Arg., Caloplaca variabilis var. ocellulata (Ach.) Boistel, Caloplaca variabilis var. ochracea Müll. Arg., Caloplaca variabilis var. variabilis (Pers.) Müll. Arg., Collema variabile (Pers.) DC., Lecanora ocellulata (Ach.) Wedd., Lecanora variabilis (Pers.) Ach., Lecanora variabilis f. variabilis (Pers.) Ach., Lecanora variabilis var. variabilis (Pers.) Ach., Lichen variabilis Pers., Parmelia variabilis (Pers.) Ach., Patellaria variabilis (Pers.) Wallr., Placodium aegyptiacum var. ochraceum (Müll. Arg.) Szatala, Placodium fulvum Anzi, Placodium paepalostomum Anzi, Placodium paepalostomum var. paepalostomum Anzi, Placodium variabile (Pers.) Hepp, Placodium variabile var. candidum (Stizenb.) Szatala, Placodium variabile var. continuum (Harm.) Szatala, Placodium variabile var. fuscum (A. Massal.) Szatala, Placodium variabile var. granulosum (Arnold) Szatala, Placodium variabile var. ochraceum (Müll. Arg.) Szatala, Placodium variabile var. variabile (Pers.) Hepp, Psora variabilis (Pers.) Hoffm., Pyrenodesmia paepalostoma (Anzi) Arnold, Pyrenodesmia variabilis f. fusca A. Massal., Pyrenodesmia variabilis f. variabilis (Pers.) Körb., Pyrenodesmia variabilis var. cyclysca B. de Lesd., Pyrenodesmia variabilis var. ocellulata (Ach.) M. Choisy, Pyrenodesmia variabilis var. ochracea (Müll. Arg.) M. Choisy, Pyrenodesmia variabilis var. variabilis (Pers.) Körb., Urceolaria ocellata var. ocellulata Ach., Zeora variabilis (Pers.) Flot., Zeora variabilis var. agardhiana Flot., Zeora variabilis var. variabilis (Pers.) Flot.]
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  • Greater Sonoran Desert
  • Resources
Nash, T.H., Ryan, B.D., Gries, C., Bungartz, F., (eds.) 2007. Lichen Flora of the Greater Sonoran Desert Region. Vol 3.
Life habit: lichenized Thallus: crustose, areolate, without elongated lobes; prothallus: present, black surface: gray or white, smooth or pruinose, without asexual propagules cortex: cellular Apothecia: adnate, 0.3-1 mm in diam., lecanorine disc: dark brown or black, flat, epruinose or pruinose margin: persistent, flush; thalline margin present, concolorous with thallus; proper margin not visible parathecium: elongate to oval cells; exciple below hypothecium irregular hyphae epihymenium: light brown or gray, K+ violet, cN+ violet hymenium: hyaline, 85115 µm tall paraphyses: 1-2 tip cells slightly swollen, not branched or with few branches; subhymenium hyaline asci: cylindrical, 8-spored ascospores: hyaline, 2 locules, ellipsoid, 12.5-15.5(-17) x 7-8.5(-9.5) µm, isthmus 3-3.5(-4) µm, spore end wall thin Pycnidia: not observed Spot tests: apothecial margin K+ violet, cN+ violet; thallus K+ violet, cN+ violet Secondary metabolites: thalloidima green. Substrate and ecology: on calcareous rocks World distribution: Europe and North America Sonoran distribution: Arizona. Notes: Caloplaca variabilis is usually strongly white pruinose with light gray areolate thallus. The epihymenium and thallus are K+ violet (in a section on a slide). It looks very much like a member of the Lecanora dispersa group but the spores easily separate these. Caloplaca atroalba is not pruinose and has a narrower spore isthmus.
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This project made possible by National Science Foundation Awards: #1115116, #2001500, #2001394
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