Plants
rock elm
Ulmus thomasii
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 elmUlmus americana
bur oakQuercus macrocarpa
American hophornbeamOstrya virginiana
American beechFagus grandifolia
Eastern CottonwoodPopulus deltoides
slippery elmUlmus rubra
Siberian elmUlmus pumila
box elderAcer negundo
Study checks a spoken answer against these, and tells you which one you named.
Where it is recorded
| Canada | 4,452 |
|---|---|
| Ontario | 2,441 |
| United States | 1,375 |
| Quebec | 841 |
| New York | 455 |
| Michigan | 215 |
| Wisconsin | 177 |
| Minnesota | 169 |
| Illinois | 112 |
| Vermont | 41 |
Counts show where people looked, not only where it lives.
Traits
Group and habits
- Material useListed as being used for materials such as wood, fiber, resin, gum, or oil.Kew World Checklist of Useful Plant Species
- Restoration or landscaping useListed as being used for restoration, landscaping, ornamental planting, erosion control, soil improvement, shade, windbreaks, pollution indicators, or wastewater purification.Kew World Checklist of Useful Plant Species
- Tree growth formListed by a harvested source as having a tree growth form.USDA PLANTS Characteristics
- Perennial plantListed by a harvested source as having a perennial life duration.USDA PLANTS Characteristics
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: Kew World Checklist of Useful Plant Species (CC BY 4.0)
- Traits: USDA PLANTS Characteristics (U.S. Government work / public domain)
- How much to rely on each source
Remember the name next time.
Practise rock elm with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.