Brief Summary

Read full entry

Description

 Thallus: fruticose, shrubby, up to 3(-6) cm long; branching: palmately or irregularly branched, growing from a narrow holdfast; branches: solid, main branches flat to irregularly uneven, radially arranged chondroid strands present near the base, 3-5(-15) mm wide; surface: greenish yellow, smooth, shiny; soredia: present, capitate, parietal, often erupting downward; pseudocyphellae: rare, sparse, orbicular, flat or +raised; cortex: thin; chondroid strands: discontinuous, smooth; Apothecia: not seen for Mexican specimens; Pycnidia: not observed; Spot tests: cortex K-, C-, KC+ yellow, P-; medulla K-, C-, KC-, P-; Secondary metabolites: cortex with usnic acid (major); medulla with divaricatic acid (major).; Substrate and ecology: on branches; World distribution: widespread in the Mediterranean regions of Europe and in western Europe north to Norway as well as southwestern North America; Sonoran distribution: common in Baja California, Baja California Sur and southern California.; Notes: Ramalina canariensis might be confused with R. lacera, that differs in having monophyllous main laciniae with marginal secondary branches, reticulately ridged branches without chondroid strands, laminal and marginal soralia and producing bourgeanic acid. Ramalina canariensis also has a two-layered cortex, while R. lacera has a more simple, single-layered cortex and lacks supportive tissue. 

Trusted

Creative Commons Attribution Non Commercial Share Alike 3.0 (CC BY-NC-SA 3.0)

© Lichen Unlimited: Arizona State University, Tempe.

Source: Lichen Flora of the Greater Sonoran Desert Region

Belongs to 0 communities

This taxon hasn't been featured in any communities yet.

Learn more about Communities

Disclaimer

EOL content is automatically assembled from many different content providers. As a result, from time to time you may find pages on EOL that are confusing.

To request an improvement, please leave a comment on the page. Thank you!