OregonFlora
species comparison
The
green
links below add additional plants to the comparison table.
Blue
links lead to other Web sites.
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Alnus glutinosa
Alnus rhombifolia
x
Alnus rubra
(synonym of
Alnus rhombifolia x alnus rubra)
European black alder
Alnus glutinosa
Alnus rhombifolia
x
Alnus rubra
Distribution
[WildflowerSearch map]
[BONAP county map]
Sibling taxa
A. alnobetula
,
A. incana
,
A. rhombifolia
,
A. rhombifolia
x
Alnus rubra
,
A. rubra
Web links
Local floras:
OR
,
WA
Local Web sites:
Flora NW
,
PNW Herbaria
WildflowerSearch
iNaturalist
(observations)
USDA Plants Database
LBJ Wildflower Center
SEINet
Plants of the World Online
Encyclopedia of Life
Wikipedia
Google Image Search
Local Web sites:
Flora NW
,
PNW Herbaria
WildflowerSearch
iNaturalist
(observations)
LBJ Wildflower Center
SEINet
Plants of the World Online
Encyclopedia of Life
Wikipedia
Google Image Search