Sulcaria is a genus of three species of fruticose lichens in the family Parmeliaceae. Sulcaria was circumscribed by lichenologist Jan Bystrek in 1971. These lichens form hair-like or rope-like structures that hang from or grow upright on tree bark, with branches that develop distinctive lengthwise grooves as they age. They reproduce through disc-shaped fruiting bodies that contain large, dark brown spores with two unequal cells.

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