Texas Wildbuds

Usnea trichodea

(Bony-beard Lichen)

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Usnea trichodea,
Ft. Parker State Park, Limestone Co. 3388

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Usnea trichodea,
Ft. Parker State Park, Limestone Co. 3380

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Usnea trichodea,
Ft. Parker State Park, Limestone Co. 3375

Scientific Name Usnea trichodea USDA PLANTS Symbol USTR
Common Name Bony-beard Lichen ITIS Taxonomic Serial No. 190848
Family Parmeliaceae Lichen Herbaria Consortium Ref. Click Here
Description Habitat: Found in deciduous and mixed forests, on oak and ashe juniper trees especially in areas with moderate to high humidity and partial shade.
Body (thallus): Hanging, wispy tufts 4 to 12 inches long; unevenly, profusely and dichotomously (splitting in two) branched, the largest with swollen cracks in rings around branches; side branches at obtuse angles at intervals; surfaces smooth, greenish-white or yellow-green (reddish to brown?).
References: Lichen Herbaria Consortium, Texas Mushrooms, Georgia Biodiversity and iNaturalist.


Texas Status:
Native
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Banner photo of Castilleja indivisa and Lupinus ssp. taken along FM 1323 north of Johnson City, Blanco County

© Tom Lebsack 2025

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