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Thelomma mammosum (Hepp) A. Massal. (redirected from: Cypheliopsis bolanderi)
Family: Caliciaceae
[Cypheliopsis bolanderi (Tuck.) Vain.]
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Stephen Sharnoff  
Thallus: areolate-warty, rather thin, often bordered by a blackened base, sometimes obscurely lobed areoles: when still flat 0.5-0.8 mm in diam. surface: light gray or with slightly yellowish olive tinge, smooth and slightly shiny; cortex: leathery fertile verrucae: strongly convex, 1.1-1.6 mm across, often constricted at the base and almost peltate Apothecia: developing in older verrucae mazaedium: 0.20-0.35 mm in diam., flat to convex, black; thalline margin: thick, smooth cortex: consisting of three layers: the outermost one: hyaline, paraplectenchymatous, 813 µm; middle one: 25-55 µm, well delimited, with small, irregular crystals; innermost layer: very irregular and with prosoplectenchymatous hyphae penetrating deep into the medulla exciple: indistinct; hypothecium: light brown; central part of exciple 0.12-0.16 mm high, consisting of dark-colored hyphae hymenium: 70-90 µm tall asci: cylindrical, 33-38 x 5-6 µm when mature, 6-8 spored, with uniseriate spores ascospores: when mature non-septate, spherical, (9-)13-16(-17) µm, with a somewhat fine and irregular ornamentation; semi-mature spores: sometimes appearing faintly striate Pycnidia: immersed, spherical, 0.08-0.14 mm in diam., to elongated, black Spot tests: thallus: K-, C-, KC+ rose-red, P-; mazaedium: K+ red, P+ yellow to red Secondary metabolites: thallus containing 3-chlorodivaricatic acid; mazaedium containing norstictic and salazinic acids. Substrate and ecology: on rocks along the coast World distribution: Europe, Macaronesia, coastal California to British Columbia Sonoran distribution: southern California, Baja California, Baja California, and Sinaloa. Notes: See notes under T. santessonii for comparison of Thelomma mammosum with that species.
Thelomma mammosum image
Stephen Sharnoff  
Thelomma mammosum image
Stephen Sharnoff  
Thelomma mammosum image
Stephen Sharnoff  
Thelomma mammosum image
Stephen Sharnoff  
Thelomma mammosum image
Stephen Sharnoff  
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