description Calicium viride Overview
Calicium viride is a pin lichen with small, black, stalked fruiting bodies. The tops of these structures are covered by yellowish, dust-like spores or pruina, giving the species a distinctive appearance under magnification. It commonly occurs on old wood, including sun-exposed fence posts and weathered bark.
help Calicium viride FAQ
What does Calicium viride look like under magnification?
It has small, black, stalked fruiting bodies typical of a pin lichen. The tops are covered by yellowish, dust-like spores or pruina, which gives the species a distinctive magnified appearance.
Where does Calicium viride grow?
It commonly occurs on old wood, including sun-exposed wood surfaces. That habitat is useful because Calicium viride is not usually identified from fresh green leaves or soil.
Is Calicium viride a leafy lichen?
No. It is a pin lichen recognized mainly by its tiny stalked fruiting bodies rather than broad foliose lobes.
What is the key identification feature of Calicium viride?
The combination of black stalked structures and yellowish pruina on their tops is the main clue. A hand lens or microscope is helpful because the fruiting bodies are small.
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