Consortium of Lichen Herbaria
- building a Global Consortium of Bryophytes and Lichens as keystones of cryptobiotic communities -
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Psora decipiens (Hedwig) Hoffm.  
Family: Psoraceae
[Biatora decipiens (Hedw.) Fr., moreLecidea decipiens Ach., Lecidea decipiens f. circumpruinata Servít, Lecidea decipiens f. decipiens (Hedw.) Ach., Lecidea decipiens f. endorubescens Servít, Lecidea decipiens var. albomarginata (Müll.Arg.) Zahlbr., Lecidea decipiens var. decipiens (Hedw.) Ach., Lecidea decipiens var. galactina Zahlbr., Lecidea decipiens var. olympica Szatala ex Gyeln., Lepidoma decipiens (Hedw.) Gray, Lichen decipiens Hedw., Parmelia decipiens (Hedw.) Mart., Patellaria decipiens (Hedw.) Wallr., Peltiphylla decipiens (Hedw.) M. Choisy, Peltiphylla decipiens var. albomarginata (Müll. Arg.) M. Choisy, Peltiphylla decipiens var. decipiens (Hedw.) M. Choisy, Psora decipiens var. albomarginata Müll.Arg., Schaereria decipiens (Hedw.) Gyeln., Schaereria decipiens var. decipiens (Hedw.) Gyeln., Schaereria decipiens var. olympica (Szatala) Gyeln.]
Psora decipiens image
Frank Bungartz
  • Greater Sonoran Desert
  • Resources
Nash, T.H., Ryan, B.D., Gries, C., Bungartz, F., (eds.) 2002. Lichen Flora of the Greater Sonoran Desert Region. Vol 1.
Squamules: up to 6 mm wide, rounded, adnate and dispersed to adjacent or imbricate, weakly concave to weakly convex upper surface: orange to bright red or rose, dull or shiny, epruinose or partly to entirely pruinose, smooth or sparingly fissured margin: concolorous with upper side or white, straight or slightly up-turned, entire or often weakly crenulate (especially when young) upper cortex: up to 80-120 µm thick, composed of thin-walled hyphae with round lumina, containing crystals of calcium oxalate but no lichen substances medulla: containing crystals of calcium oxalate, sometimes also lichen substances lower cortex: absent or poorly developed lower surface: white to pale brown Apothecia: up to 2 mm diam., marginal, immarginate even when young, black, epruinose or white or yellow pruinose ascospores: ellipsoid, 11-18 x 6-8 µm Pycnidia: laminal, immersed conidia: bacilliform, 6-7 x 1 µm Spot tests: upper cortex and medulla K-, C-, KC-, P- Secondary metabolites: none detected or rarely traces of norstictic acid. Substrate and ecology: on more or less calciferous soil and crevices of rock in open habitats, from deserts to conifer forests, up to 1860 m World distribution: Africa, Asia, Australia, Europe and North and South America Sonoran distribution: common in Arizona, California, Baja California, Baja California Sur and Sonora. Notes: Specimens containing hyposalazinic and hypostictic acids occur in Colorado and Utah (plus Europe); these tend to have more rose colored squamules. In the Arctic, specimens with a high concentration of norstictic acid are common. There are other chemical strains in Australia and South Africa.
Psora decipiens
Open Interactive Map
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Garry Neil
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Samuel Brinker
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Stephen Sharnoff
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Stephen Sharnoff
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Stephen Sharnoff
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Stephen Sharnoff
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Stephen Sharnoff
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Stephen Sharnoff
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Stephen Sharnoff
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Stephen Sharnoff
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Stephen Sharnoff
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Stephen Sharnoff
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Stephen Sharnoff
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Stephen Sharnoff
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Stephen Sharnoff
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Stephen Sharnoff
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Stephen Sharnoff
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Stephen Sharnoff
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Stephen Sharnoff
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Stephen Sharnoff
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Stephen Sharnoff
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Troy McMullin
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Sheila Strawn
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Sheila Strawn
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Sheila Strawn
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Sheila Strawn
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Sheila Strawn
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Sheila Strawn
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Sheila Strawn
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Garry Neil
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Garry Neil
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This project made possible by National Science Foundation Awards: #1115116, #2001500, #2001394
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