Page author: David Giblin
Salix prolixa
Mackenzie's willow

Distribution: Widely distributed throughout Washington; British Columbia to California, east to Newfoundland and Virginia.

Habitat: Along streams in the lowlands to lower valleys in the mountains.

Flowers: April-June

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern


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Accepted Name:
Salix prolixa Andersson
Publication: Monogr. Salicum. 94, plate 5, fig. 52. 1867. 1867.

Synonyms & Misapplications:
Salix cordata Muhl. var. mackenzieana Hook.
Salix eriocephala Michx. ssp. mackenzieana (Hook.) Dorn
Salix eriocephala Michx. var. mackenzieana (Hook.) Dorn
Salix mackenzieana (Hook.) Barratt ex Andersson
Salix mackenzieana (Hook.) Barratt ex Andersson var. macrogemma C.R. Ball
Salix rigida Muhl. ssp. mackenzieana (Hook.) A.E. Murray
Salix rigida Muhl. var. mackenzieana (Hook.) Cronquist [HC]
Salix rigida Muhl. var. macrogemma (C.R. Ball) Cronquist [HC]
Additional Resources:

PNW Herbaria: Specimen records of Salix prolixa in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Salix prolixa checklist entry.

E-Flora BC: Salix prolixa atlas page.

CalPhotos: Salix prolixa photos.

USDA Plants: Salix prolixa information.

59 photographs:
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