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A detailed chemical and morphological study has been carried out on West European specimens of Cladonia subulata (L.) F. H. Wigg. and C. rei Schaer. Using thin-layer chromatography (TLC), three different chemotypes were found, which did not show any correlation with distribution, substratum, habitat or any of the morphological characteristics mentioned in recent floras. Moreover, the application of UV (long-wave) proved to be unreliable for detecting homosekikaic acid and thus for distinguishing the two species. It appears that only one species, with three chemotypes, exists in Western Europe. Cladonia subulata is therefore another of the more than ten Cladonia species reported so far that can contain either homosekikaic and/or fumarprotocetraric acid.
Felihanera viridisorediata Aptroot, Brand & Spier, a corticolous sorediate species commonly found sterile, is described from fertile material on Juglans glabra in the Netherlands. It was also found with apothecia on, for example, twigs of Vaccinium myrtillus, Lonicera, and other trees. It seems to be common and rapidly spreading in sheltered habitats in Belgium, Germany and the Netherlands, also occasionally on wood, roofs, granite and brick. It is close to other Felihanera species, especially F. seroexpectata and F. viridis, but it differs in the paler soredia, smaller, 1-septate and constricted ascospores and the presence of roccellic acid.
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