Xanthoparmelia ahtii
species of fungus

Xanthoparmelia ahtii is a rock shield lichen that belongs to the family Parmeliaceae. One previous name for this species was Neofuscelia ahtii. The lichen is uncommon and is listed as imperiled by the Nature Conservatory.
Description
The lichen grows on rocks and is olive brown to yellow or reddish brown in color. Lobes are approximately 1–2.5 mm wide and are slightly curved and broad.
Habitat and range
It is found in the North American southwest growing on rocks. It has been observed in forested areas in the state of Arizona as well as well as the Mexican state of Baja California Sur.
This brief starts where responsible research should: with the source description of “Xanthoparmelia ahtii” as species of fungus. Everything that follows is an evidence route, not borrowed authority.
Why this record matters
The subject matters to the science & nature register because the source frames it as species of fungus. Its deeper value depends on whether names, dates, institutions and citations support that framing.
Datasets, specimens, observations and peer-reviewed methods provide the appropriate test for the technical claims summarized here. The source revision retrieved here is dated Nov 12, 2025. The linked authority identifier is Q15015223. None of the 0 selected statements returned an explicit reference.
A general summary may omit uncertainty, sample limits or methodological disagreement that is explicit in the technical record. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
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Primary datasets, specimen catalogues, standards bodies and the most recent peer-reviewed literature.
Three-step research path
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Questions for further research
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This entry incorporates text from “Xanthoparmelia ahtii” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.