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David Douglas (25 June 1799 – 12 July 1834) was a
Scottish botanist, best
known as the
namesake of the
Douglas fir. He
worked as a gardener, and explored...
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Ceanothus velutinus Dougl. ex Hook. –
snowbrush ceanothus subsp.
laevigatus (Torr. & A.Gray)
Piper &
Beattie subsp.
velutinus Dougl. ex Hook. Ceanothus...
- 2011). "A process-based
approach to
estimate lodgepole pine (Pinus
contorta Dougl.)
distribution in the
Pacific Northwest under climate change". Climatic...
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America Arnica angustifolia subsp.
attenuata (Greene) G.W.Douglas & Ruyle-
Dougl. - Alaska, Yukon,
Northwest Territories, Nunavut,
Ungava Arnica angustifolia...
- L. -- Blunt-leaf waterleaf,
bluntleaf waterleaf Hydrophyllum capitatum Dougl. ex Benth. --
Ballhead waterleaf Hydrophyllum fendleri (Gray) ****er --...
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Lewis & M.E. Lewis – (Hunt's clarkia)
Clarkia amoena subsp.
lindleyi (
Dougl.) C.L. Hitchc. – (Lindley's clarkia)
Clarkia amoena subsp.
whitneyi (A....
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thinly hairy. Most of the species' range.
Prunus emarginata var.
mollis (
Dougl.) Brew. A
larger tree;
young shoots and
leaves downy. Reddish-brown bark...
- Berlyn,
Graeme P (1967). "The
Structure of
Germination in
Pinus Lambertiana Dougl". Yale
School of
Forestry &
Environmental Studies,
Bulletin Series. 77....
- doi:10.1186/s13021-021-00168-5. PMC 7871390. PMID 33559772. "Pinus
sabiniana Dougl". www.srs.fs.usda.gov.
Retrieved 2022-05-04. Filipiak, Michał (2016-01-01)...
- subg.
Idaeobatus Species: R. leucodermis
Binomial name
Rubus leucodermis Dougl. ex Torr. & A.Gray 1840
Synonyms Melanobatus leucodermis (Douglas ex Torr...