genus
Mountain Ashes
Sorbus
Field notes
Children
- European Mountain Ash introduced
- American Mountain Ash native
- Greene's Mountain Ash native
- Sitka Mountain-Ash native
- Showy Mountain-ash native
- Siberian Mountain Ash
- California Mountain Ash native
- Siberian Mountain Ash
- Sorbus randaiensis present
- Japanese Rowan
- Tian Shan Mountain Ash
- Sorbus koehneana
- Ulleung Island Rowan
Range
Greener is more native, amber more introduced; paler is less certain. How this was decided
Key traits
- Layer
- Trees
From USDA PLANTS.
Top native mountain ashes All
Native to the US, ranked by caterpillars, then bees and other hosts, food, flowers and shelter.
-
American Mountain Ash
Sorbus americana
caterpillars
69
hosts
3
food
24
flowers
21
-
Showy Mountain-ash
Sorbus decora
caterpillars
61
hosts
2
food
9
flowers
4
-
Greene's Mountain Ash
Sorbus scopulina
caterpillars
58
hosts
3
food
6
flowers
3
-
Sitka Mountain-Ash
Sorbus sitchensis
caterpillars
48
hosts
2
food
5
flowers
14
-
California Mountain Ash
Sorbus californica
caterpillars
27
hosts
1
food
5
flowers
2