Fungi › Peltigeraceae

alternating dog lichen

Peltigera didactyla

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Wildlife study photograph from iNaturalist. — (c) denis_ivanov, 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 Alaska.

United States	8,151
Alaska	7,049
Canada	1,015
Ontario	342
Minnesota	193
British Columbia	158
Nunavut	129
Michigan	120
Wisconsin	119
Quebec	97

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	Peltigerales
Family	Peltigeraceae
Genus	pelt lichens · Peltigera

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 alternating dog 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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