The Sorbus Americana
is commonly known as American Mountain-ash
, Cormier (quebec)
, Mountain Ash
, as well as Small-fruited Mountain Ash< Go Back
American mountain-ash occurs in northeastern North America from
Newfoundland and Nova Scotia south to New Jersey and Pennsylvania and in
the mountains to South Carolina and Georgia, west to Minnesota and
eastern North and South Dakota [10
The accepted scientific name for American mountain-ash is Sorbus
americana Marsh. [10
]. There are no recognized subspecies,
varieties or forms.
American mountain-ash hybridizes naturally with black chokeberry (Pyrus
melanocarpa), producing P. xmixta Fern., and with purple chokeberry (P.
floribunda), producing P. xjackii (Rehd) Fern. [12
American mountain-ash is listed as codominant with balsam fir (Abies
balsamea) on Isle Royale, Michigan. The primary associates in the shrub
layer include American yew (Taxus canadensis), mountain maple (Acer
spicatum), and honeysuckle (Lonicera canadensis). Ground layer
associates include yellow beadlily (Clintonia borealis), northern
clubmoss (Lycopodium annotium), twinflower (Linnea borealis), woodfern
(Dryopteris disjuncta), naked miterwort (Mitella nuda), alpine circaea
(Circaea alpina), wild sarsaparilla (Aralia nudicaulis), and red
raspberry (Rubus idaeus var. strugosis) .
< Go Back
Much of the information presented here is attributed to:
Sullivan, Janet. 1992. Sorbus americana. In: Fire Effects Information System, [Online].
U.S. Department of Agriculture, Forest Service,
Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Available at USDA Forest Service.