Lecanora subfusca
publication ID |
https://doi.org/ 10.11646/phytotaxa.431.1.1 |
persistent identifier |
https://treatment.plazi.org/id/F74787FD-FFF8-FF80-FF08-E47FFAA4FB43 |
treatment provided by |
Felipe |
scientific name |
Lecanora subfusca |
status |
s.str. |
Lecanora subfusca View in CoL -group ( Lecanora s.str., Figs 10–15 View FIGURE 10 View FIGURE 11 View FIGURE 12 View FIGURE 13 View FIGURE 14 View FIGURE 15 )
The L. subfusca -group, containing the generic type L. subfusca , can be considered the “core group” of Lecanora and is characterized by lecanorine, usually sessile apothecia with pale to deep reddish brown, rarely ± blackened, epruinose discs. The thalline exciple contains either characteristic large crystals that are insoluble in K and/or small crystals usually soluble in K. The thallus is granular to rimose or areolate with a white or pale to dark grey, rarely greenish or ± yellowish green ( L. queenslandica -group) surface. All species of the group have filiform conidia. Ten of the twelve species occurring on Galapagos produce atranorin as major substance and the other two produce usnic acid.
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