Fungi › Rhizocarpaceae

yellow map lichen

Rhizocarpon geographicum

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Wildlife study photograph from iNaturalist. — (c) washford, some rights reserved (CC BY-NC)

All photos28

28 photos

Study shows up to four per card, from different observers, so you learn the species rather than one picture. Heart the good ones and swap any you do not like.

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Photos you add are credited to you, and you keep the copyright.

Easily confused with

Study checks a spoken answer against these, and tells you which one you named.

Where it is recorded

Records by month in Colorado.

United States	19,823
Canada	2,295
Colorado	688
British Columbia	375
Ontario	364
Newfoundland and Labrador	292
Alberta	282
Maine	256
New Hampshire	225
Quebec	190

Counts show where people looked, not only where it lives.

Traits

Group and habits

Human edibleListed as edible by a harvested source. This is a research trait, not foraging advice.FungiTastic metadata
Lichen growth formListed by a harvested source as belonging to the lichen plant group.USDA PLANTS Characteristics

Edibility, toxicity and medicinal traits are records from datasets, not advice. Never eat, handle or use a wild species on the strength of an app.

Classification

Kingdom	Fungi Including Lichens · Fungi
Phylum	Ascomycete Fungi · Ascomycota
Class	Common Lichens · Lecanoromycetes
Order	Rhizocarpales
Family	Rhizocarpaceae
Genus	Map Lichens · Rhizocarpon

Sources

Names, taxonomy and observation counts: www.inaturalist.org
Photos and recordings: the creator and source are on each one.
Traits: FungiTastic metadata (BSD-3-Clause repository; dataset terms require verification)
Traits: USDA PLANTS Characteristics (U.S. Government work / public domain)
How much to rely on each source

Remember the name next time.

Practise yellow map lichen with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.

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