Description ²

 Thallus: fruticose, pendulous, 20-50(-200) cm long; branching: subparallel, irregular or dichotomously branched growing from a narrow holdfast or unattached; branches: solid, flattened, reticulate net-like fenestration common on side and distal branches, up to 3(-10) mm wide; surface: yellowish green, smooth or conspicuous striated by pseudocyphellae, shiny, sorediate; pseudocyphellae: common, narrowly linear, laminal or rarely marginal; cortex: thin; chondroid strands: discontinuous, smooth; Apothecia: frequent, stipitate; disc: flat to +concave, without a white margin; margin: pseudocyphellate, concolorous with the thallus; asci: elongate-clavate, 8spored; ascospores: hyaline, 1-septate, broadly fusiform, 12-15 x 4.5-5.6 µm; Pycnidia: not observed; Spot tests: cortex K-, C-, KC+ yellow, P-; medulla K-, C-, KC-, P-; Secondary metabolites: cortex with usnic acid (minor); medulla: none detected.; Substrate and ecology: on bark; World distribution: western North America from central Baja California to southern Alaska; Sonoran distribution: southern California, Baja California and Baja California Sur.; Notes: Ramalina menziesii is unique in having pendulous branches with net-like perforations, lacking soralia, and in producing no chemical metabolites. The distinction with R. usnea is given under that species. 

Fuentes y créditos

1. (c) CALS, algunos derechos reservados (CC BY-NC-ND), subido por CALS
2. (c) Lichen Unlimited: Arizona State University, Tempe., algunos derechos reservados (CC BY-NC-SA), http://eol.org/data_objects/10548678

Más información

• NaturaLista página del taxón
• Biodiversity Heritage Library
• BOLD Systems BIN search
• CalPhotos
• Global Biodiversity Information Facility (GBIF)
• Mushroom Observer
• NatureServe Explorer 2.0
• SEINet Symbiota portals
• USDA PLANTS database
• Ways of Enlichenment

NaturaLista Mapa