Vascular Plants - Rosaceae - Sorbus - Sorbus sitchensis:
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Sorbus sitchensis var. sitchensis
Sitka mountain-ash 
Image © Bud Kovalchik
Image © 1995, H.W. Buckingham
Blooms: June - July
Habit: shrub
Duration: perennial
Origin: Native
Accepted Name:
Sorbus sitchensis M. Roemer var. sitchensis
Synonyms:
Pyrus sambucifolia
Pyrus sambucifolia var. pumila Sargent
Pyrus sitchensis (M. Roemer) Piper
Sorbus americana Sudw.
Sorbus americana Sudw. var. sitchensis
Sorbus pumilus Raf.
Sorbus sambucifolia
Sorbus sambucifolia var. pumila Koehne

Treated in Flora of the PNW as:
Sorbus sitchensis var. sitchensis
Additional Resources:

PNW Herbaria Specimens: View list of Sorbus sitchensis var. sitchensis specimens in the Consortium of Pacific Northwest Herbaria database.

WTU Herbarium Specimens: View list of Sorbus sitchensis var. sitchensis specimens in the WTU Herbarium database.

Washington Flora Checklist: Sorbus sitchensis var. sitchensis treatment.

E-Flora BC: Sorbus sitchensis var. sitchensis atlas page.

CalPhotos: Sorbus sitchensis var. sitchensis images.

USDA Plants Database: Sorbus sitchensis var. sitchensis.
Additional photographs of Sorbus sitchensis var. sitchensis:
(click on a thumbnail to view larger photo)

Bud Kovalchik

H.W. Buckingham, 1995

H.W. Buckingham, 1995

H.W. Buckingham, 1995

H.W. Buckingham, 1995
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