Consortium of Lichen Herbaria
- building a Global Consortium of Bryophytes and Lichens as keystones of cryptobiotic communities -
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Peltigera
Family: Peltigeraceae
Peltigera image
Andrew Khitsun
  • Greater Sonoran Desert
  • Resources
Nash, T.H., Ryan, B.D., Gries, C., Bungartz, F., (eds.) 2004. Lichen Flora of the Greater Sonoran Desert Region. Vol 2.
Life habit: lichenized Thallus: large foliose, rarely small to almost squamulose, approximately circular in outline, (1-)2-30 cm in diam., sometimes forming extensive mats among mosses that may extend for several meters, usually lobate lobes: +flattened and elongate (5-15 mm wide and up to 5 cm long), often dichotomously branched, imbricate or separate; tips: rounded to subtruncate, often ascending upper surface: gray, bluish gray, grayish brown to brown when dry, bluish gray, blackish green or bright green when wet, smooth, dull or shiny, +scabrid, tomentose or pruinose; with or without isidia or soredia upper cortex: paraplectenchymatous medulla: white, +loosely interwoven hyphae photobiont: primary one usually Nostoc but a few species with the chlorococcoid green alga (Coccomyxa) and then with Nostoc as a secondary photobiont in cephalodia lower cortex: absent lower surface: brownish white, densely arachnoid-tomentose or with anastomosing pale or dark brown to black veins, rhizinate; rhizines: white, brown or black, simple, bushy or fasciculate Ascomata: apothecial, frequent, ovoid, semi-immersed, marginal, often at lobe tips or on ascending lobules, up to 10 mm in diam., hemiangiocarpic; margin: smooth to crenulate disc: saddle-shaped, flat or oval, red-brown to black, smooth, paler marginally true exciple: paraplectenchymatous, 100-135 µm wide, marginal cells with short hairs hymenium: brown above, colorless below, K-, I+ blue; paraphyses: septate, simple, 2-3 µm wide, +swollen at the apices and pigmented asci: cylindrical, fissitunicate, Peltigera-type, the apex of the endoascus with a K/I+ blue annulus, 8-spored ascospores: fusiform to acicular, colorless, 3-many septate, 25-75 x 3-7 µm Conidiomata: pycnidial, brown above, pale below, immersed, up to 2 mm in diam. conidia: bacilliform or slightly bifusiform, colorless, simple, 4-10 x 2-4 µm Secondary metabolites: hopane triterpenoids and tridepsides or none detected Geography: world-wide in moist habitats, especially cool temperate ones in North and South America, Europe, Asia, Australasia and Africa Substrate: most often on soil and among mosses over rocks, rarely on tree trunks.
Species within checklist: Olympic National Park
Peltigera aphthosa
Image of Peltigera aphthosa
Map not
Available
Peltigera canina
Image of Peltigera canina
Map not
Available
Peltigera collina
Image of Peltigera collina
Map not
Available
Peltigera degenii
Image of Peltigera degenii
Map not
Available
Peltigera didactyla
Image of Peltigera didactyla
Map not
Available
Peltigera horizontalis
Image of Peltigera horizontalis
Map not
Available
Peltigera hydrothyria
Image of Peltigera hydrothyria
Map not
Available
Peltigera kristinssonii
Image of Peltigera kristinssonii
Map not
Available
Peltigera lepidophora
Image of Peltigera lepidophora
Map not
Available
Peltigera leucophlebia
Image of Peltigera leucophlebia
Map not
Available
Peltigera malacea
Image of Peltigera malacea
Map not
Available
Peltigera membranacea
Image of Peltigera membranacea
Map not
Available
Peltigera polydactylon
Image of Peltigera polydactylon
Map not
Available
Peltigera ponojensis
Image of Peltigera ponojensis
Map not
Available
Peltigera rufescens
Image of Peltigera rufescens
Map not
Available
Peltigera venosa
Image of Peltigera venosa
Map not
Available

 

This project made possible by National Science Foundation Awards: #1115116, #2001500, #2001394
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