Fungi › Rhytismataceae
Black Tar Spot
Rhytisma acerinum
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.
Photos you add are credited to you, and you keep the copyright.
Easily confused with
American Tar SpotRhytisma americanum
Speckled Tar SpotRhytisma punctatum
Sawadaea tulasnei
Gray Mold SpotCristulariella depraedans
Study checks a spoken answer against these, and tells you which one you named.
Where it is recorded
| United States | 31,053 |
|---|---|
| Alaska | 26,926 |
| United Kingdom | 2,986 |
| Canada | 2,956 |
| England | 2,656 |
| Ontario | 1,802 |
| Russia | 1,363 |
| Germany | 1,293 |
| New York | 979 |
| Massachusetts | 669 |
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
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 | Leotiomycetes |
| Order | Rhytismatales |
| Family | Rhytismataceae |
| Genus | Tar Spot Fungi · Rhytisma |
Study it in a deck
Or build your own from the species near you.
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)
- How much to rely on each source
Remember the name next time.
Practise Black Tar Spot with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.