description Pseudocyphellaria crocata Overview
Pseudocyphellaria crocata is a foliose lichen with broad, leafy lobes and a cyanobacterial photobiont. It is distinguished by yellow soralia, which produce powdery vegetative propagules, and by yellow coloration in the medulla or other internal parts of the thallus. The lichen is associated with humid forest environments and is typically found on the bark of trees, where its appearance helps separate it from related cyphellate lichens.
help Pseudocyphellaria crocata FAQ
What is distinctive about Pseudocyphellaria crocata?
It has broad leafy lobes and a cyanobacterial photobiont, but its clearest field mark is the presence of yellow soralia. Those yellow patches produce powdery soredia used for vegetative reproduction.
What are soralia on Pseudocyphellaria crocata?
Soralia are specialized areas that release soredia, small powdery propagules containing fungal and photosynthetic partners. On P. crocata they are characteristically yellow, making them important for identification.
How is Pseudocyphellaria crocata different from Pseudocyphellaria aurata?
P. crocata is named for its yellow soralia, while P. aurata is recognized by yellow pseudocyphellae, margins, or exposed internal tissue. Both are foliose cyanolichens, so the exact structure of the yellow markings matters.
Does Pseudocyphellaria crocata grow on soil?
It is primarily a leafy, epiphytic lichen associated with woody substrates and humid woodland conditions. Its broad thallus is unlike terricolous species such as Dibaeis baeomyces, which grows directly on acidic soil.
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