Northern Ontario Plant Database
Synonymy
Synonymy - Alnus incana and subspecies
Betulaceae Birch Family
Alnus incana (L.) Moench
gray alder, grey alder, hoary alder, white alder, speckled alder (subsp. rugosa)
; Fr: aulne blanc, aulne blanchâtre, aulne rugueux (subsp. rugosa)
- [=Betula alnus L. var. incana L. (basionym)]
- [=Betula incana (L.) Pallas 1784, non L.f. 1781]
Alnus incana subsp. rugosa (DuRoi) R.T.Clausen
speckled alder, tag alder, swamp alder, eastern river alder, aulne blanc rugueux
; Fr: aulne rugueux, aulne blanc rugueux, aulne hatif
; Ojibway (Anishinabe): wadoop-agaasaa, waadiipiin
- [=Alnus americana (Regel) Czerep.]
- [=Alnus canadensis Lodd. ex Loudon]
- [=Alnus glauca (Aiton) F.Michx.]
- [=Alnus incana (L.) Moench forma aurea Dippel]
- [=Alnus incana (L.) Moench forma tomophylla Fernald]
- [=Alnus incana (L.) Moench var. americana Regel]
- [=Alnus incana (L.) Moench var. glauca (Aiton) Willd.]
- [=Alnus incana (L.) Moench var. tomophylla (Fernald) Rehder]
- [=Alnus rugosa (DuRoi) Spreng.]
- [=Alnus rugosa (DuRoi) Spreng. forma aurea Dippel]
- [=Alnus rugosa (DuRoi) Spreng. forma emersoniana Fernald]
- [=Alnus rugosa (DuRoi) Spreng. forma hypomalaca Fernald]
- [=Alnus rugosa (DuRoi) Spreng. forma tomophylla (Fernald) Fernald]
- [=Alnus rugosa (DuRoi) Spreng. var. americana (Regel) Fernald]
- [=Alnus rugosa (DuRoi) Spreng. var. tomophylla (Fernald) Fernald]
- [=Alnus serrulata Willd. var. rugosa (Du Roi) Regel]
- [=Betula alnus L. var. rugosa DuRoi (basionym)]
- [=Betula incana (L.) L.f. var. glauca Aiton]
- [=Betula rugosa (DuRoi) Ehrh.]
- [=Betula-alnus glauca Marshall, nom. inval., nom. subnud.]
Alnus incana subsp. tenuifolia (Nutt.) Breitung
western mountain alder, thinleaf alder, western river alder
; Fr: aulne à feuilles minces, aulne tenuifolié, aulne blanc à feuilles minces
- [=Alnus communis Desf. ex Kuntze]
- [=Alnus densiflora C.H.Mull.]
- [=Alnus glutinosa (L.) Gaertn. var. virescens Kuntze]
- [=Alnus incana (L.) Moench var. occidentalis (Dippel) C.L.Hitchc.]
- [=Alnus incana (L.) Moench var. virescens S.Watson, nom. illeg.]
- [=Alnus occidentalis Dippel]
- [=Alnus tenuifolia Nutt. (basionym)]
- [=Alnus tenuifolia Nutt. var. occidentalis (Dippel) Callier]
- [=Alnus tenuifolia Nutt. var. virescens (Kuntze) Callier]