Abies virescens R.Hinterh. & J.Hinterh. species synonym

Abies arctica A.Murray bis species synonym

Abies canadensis var. aurea J.Nelson variety synonym

Pinus laxa Münchh. species synonym

Pinus coerulea Lodd. ex G.Don species synonym

Picea engelmannii var. engelmannii × Picea glauca species synonym

Abies alba var. nana Dicks. ex Loudon, 1838 variety synonym

Abies alba var. nana Dicks. variety homotypic synonym

Pinus alba var. nana (Jacques) Antoine variety synonym

Picea canadensis var. nana (Jacques) Sudw. variety synonym

Picea xalbertiana S.Br. species synonym

Picea glauca subsp. porsildii (Raup) Silba subspecies synonym

Picea glauca subsp. albertiana (S.Br.) P.A.Schmidt subspecies synonym

Picea glauca f. aurea (J.Nelson) Rehder form synonym

Picea glauca var. glauca variety accepted

Picea albertiana var. densata (L.H.Bailey) W.L.Strong & Hills variety synonym

Pinus tetragona Moench species synonym

Picea coerulea (J.Forbes) Link species synonym

Picea canadensis var. glauca (Moench) Sudw. variety synonym

Pinus glauca Moench species synonym

Picea glauca var. densata L.H.Bailey variety synonym

Pinus alba Aiton species synonym

Picea alba Link species synonym

Pinus abies var. laxa Münchh. variety synonym

Picea albertiana subsp. ogilviei W.L.Strong & Hills subspecies synonym

Picea glauca var. porsildii Raup variety synonym

Picea albertiana var. porsildii (Raup) W.L.Strong & Hills variety synonym

Pinus laxa (Münchh.) Ehrh. species synonym

Picea albertiana S.Br. species synonym

Pinus canadensis (Mill.) Du Roi species synonym

Picea canadensis var. pendula (Carrière) C.K.Schneid. variety synonym

Picea ×albertiana subsp. albertiana subspecies synonym

Picea canadensis (Mill.) Britton et al. species synonym

Picea ×albertiana subsp. ogilvei Strong & Hills subspecies synonym

Abies rubra var. violacea Loudon variety synonym

Abies laxa (Münchh.) K.Koch species synonym

Abies canadensis Mill. species synonym

Abies virescens Bruijn & J.Hinterh. ex Nym. species synonym

Abies coerulea J.Forbes species synonym

Picea alba f. acutissima Beissn. form synonym

Picea alba var. coerulea Jacob-Makoy variety synonym

Abies alba var. caerulea J.Nelson variety synonym

Abies alba (Castigl.) Michx. species synonym

Abies alba var. virescens (R.Hinterh. & J.Hinterh.) Nyman variety synonym

Picea laxa (Münchh.) Sarg. species synonym

Pinus canadensis var. alba Castigl. variety synonym

Picea glauca f. parva Fernald & Weath. form synonym

Picea glauca subsp. ogilviei (W.L.Strong & Hills) Silba subspecies synonym

Picea glauca f. conica Rehder form synonym

Picea glauca f. buxoides J.R.Schramm form synonym

Picea canadensis f. parva Vict. form synonym

Picea canadensis var. albertiana Rehder variety synonym

Picea alba var. foetida Penh. variety synonym

Pinus alba var. arctica (A.Murray bis) Parl. variety synonym

Picea tschugatskoyae Carrière species synonym

Pinus virescens Neilr. species synonym

Abies alba var. nana Jacques variety synonym

Picea alba var. pendula Carrière variety synonym

Picea glauca var. pendula (Carrière) Hornibr. variety synonym

Picea glauca f. nana (Jacques) Rehder form synonym

Picea glauca f. caerulea (J.Nelson) Rehder form synonym

Picea glauca var. albertiana (S.Br.) Sarg. variety accepted

Pinus coerulea Lodd. species homotypic synonym

Picea alba var. albertiana (S.Br.) Beissn. variety synonym