Fungi › Rocktripes, Toadskin Lichens, and allies
Pennsylvania Toadskin Lichen
Lasallia pensylvanica
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
Common Toadskin LichenLasallia papulosa
Smooth Rock TripeUmbilicaria mammulata
Lesser RocktripeUmbilicaria muhlenbergii
Emery Rocktripe LichenUmbilicaria phaea
Lasallia rossica
Study checks a spoken answer against these, and tells you which one you named.
Where it is recorded
| United States | 1,859 |
|---|---|
| West Virginia | 244 |
| Virginia | 238 |
| Alaska | 235 |
| Canada | 232 |
| Maryland | 219 |
| New York | 181 |
| North Carolina | 163 |
| Pennsylvania | 106 |
| Tennessee | 101 |
Counts show where people looked, not only where it lives.
Traits
Group and habits
- Lichen growth formListed by a harvested source as belonging to the lichen plant group.USDA PLANTS Characteristics
Classification
| Kingdom | Fungi Including Lichens · Fungi |
|---|---|
| Phylum | Ascomycete Fungi · Ascomycota |
| Class | Common Lichens · Lecanoromycetes |
| Order | rocktripes, bloodspot lichens, and allies · Umbilicariales |
| Family | Rocktripes, Toadskin Lichens, and allies · Umbilicariaceae |
| Genus | Blistered Navel Lichens · Lasallia |
Sources
- Names, taxonomy and observation counts: www.inaturalist.org
- Photos and recordings: the creator and source are on each one.
- Traits: USDA PLANTS Characteristics (U.S. Government work / public domain)
- How much to rely on each source
Remember the name next time.
Practise Pennsylvania Toadskin Lichen with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.