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  • Peltigera - Wikipedia
    Peltigera is a genus of approximately 100 species of foliose lichens in the family Peltigeraceae [2] Commonly known as the dog or pelt lichens, species of Peltigera are often terricolous (growing on soil), but can also occur on moss, trees, rocks, and many other substrates in many parts of the world [3]
  • Consortium of Lichen Herbaria - Peltigera
    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
  • Peltigera gowardii - Calflora
    Peltigera gowardii is a lichen that is native to California California Rare Plant Rank: 4 2 (uncommon in CA)
  • Peltigera - an overview | ScienceDirect Topics
    In Peltigera praetextata it has been shown experimentally that the development of isidia or lobules is stimulated by the tearing or wounding of the thallus (Fig 97) The development of isidia seems to be genetically determined Their presence and shape is an important taxonomic characteristic
  • Consortium of Lichen Herbaria - Peltigera polydactylon
    Consortium of Lichen Herbaria - Peltigera polydactylon
  • The Peltigera Project - Lutzoni Lab
    Although Peltigera is one of the earliest described lichen genera due to its great abundance in nature and prominent morphological features, its morphological variation is poorly understood
  • Peltigera pacifica - Calflora
    Peltigera pacifica is a lichen that is native to California California Rare Plant Rank: 2B 2 (rare or endangered in CA)
  • Peltigera Project Overview - Lutzoni Lab
    The potential zone of influence has been reported to be up to 150 cm for bipartite thalli of Peltigera Members of the Peltigerinae are well known for their sensitivity to pollution Peltigera has been found to be very sensitive to oxidizing air pollutants such as ozone
  • Phylogenetic placement, species delimitation, and cyanobiont identity . . .
    The cosmopolitan genus Peltigera (Peltigerales, Lecanoromycetidae) includes predominantly muscicolous and terricolous foliose lichen-forming fungi These lichens are associated with the cyanobacterium Nostoc Vaucher ex Bornet Flahault and form bimembered thalli





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