description Cladonia rangiformis Overview
Cladonia rangiformis is a fruticose lichen with gray to pale gray, repeatedly branched structures that grow from the ground. Its irregular branching can make it resemble reindeer lichens, although it belongs to a different species and has distinct chemical and morphological characters. It is commonly associated with dry, open habitats, including calcium-rich soils, coastal dunes, and other exposed ground where lichen mats can develop.
help Cladonia rangiformis FAQ
How can Cladonia rangiformis be recognized in the field?
It forms gray-white to gray-green, richly branched podetia that often make spiky tufts with pointed tips. The branches can be mottled or areolate under magnification, and cups are normally absent.
Does Cladonia rangiformis have the same cups as reindeer lichens?
No, Cladonia rangiformis is characterized by branched podetia without cups, even though its branching can suggest a reindeer-lichen-like appearance. Reindeer lichens belong mainly to the Cladonia subgenus Cladina, so the resemblance is visual rather than taxonomic.
Where does Cladonia rangiformis grow?
It is a ground-growing lichen found in open habitats, often among soil, moss, or low vegetation. Its upright branches form tufts rather than a broad foliose sheet attached to rock or bark.
What feature helps separate Cladonia rangiformis from Cladonia furcata?
Cladonia rangiformis often has a distinctly mottled upper surface and wide-angled, spiky branches, while Cladonia furcata commonly has more sharply forked branches and can become brown and glossy with age. Neither species normally forms the conspicuous cups associated with classic pixie-cup Cladonia.
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