Alnus incana var. intermedia Brenner
Alnus intermedia Schrad. ex Regel
Alnus incana f. pinnatifida Dippel
Alnus tenuifolia f. incisa W.A.Weber
Alnus incana var. glabra A.Blytt
Alnus incana var. bipinnatifida Brenner
Alnus incana var. confusa Brenner
Alnus incana f. crataegifolia Callier
Alnus incana f. bipinnatifida Cajander
Alnus incana f. oxyloba Callier
Betula incana var. minor Tourr.
Alnus incana var. oblongifrons Callier
Alnus incana var. ovata Regel
Alnus incana f. flavescens Callier
Alnus incana var. bornmuelleri Callier
Alnus incana f. argyrophylla Callier
Alnus incana var. hypochlora Callier
Alnus incana var. monstrosa Späth
Alnus incana var. microjula Grütter
Alnus incana f. pinnatipartita Norrl.
Alnus languinosa Gilib.
Alnus incana pendula-nova de Bom ex Schelle
Alnus incana f. tortuosa Nitz.
Alnus incana f. rubra Palmén
Alnus incana f. incisa Dippel
Alnus incana f. bolleana Schwer.
Alnus incana f. pinnata (Lundmark) H.J.P.Winkl.
Alnus incana var. glaucophylla Callier
Alnus incana f. brachyphylla Callier
Alnus incana f. laceratifolia P.D.Sell
Alnus minor (Tourr.) Chiov.
Alnus incana var. acutiloba W.D.J.Koch
Betula pinnata Lundmark
Alnus incana f. aurea Dippel
Alnus alnus (L.) Britton
Alnus incana f. subsericea Callier
Alnus incana f. dubia Callier
Alnus incana f. cordifolia Callier
Alnus incana var. pseudospuria Callier
Alnus incana var. pendula (C.K.Schneid.) Bean
Alnus incana var. alpestris Brügger
Alnus incana var. argentata Norrl.
Alnus incana var. parvifolia Regel
Alnus incana var. acuminata (Regel) Regel
Alnus incana var. angulata (Aiton) Willd.
Alnus incana var. ovalifolia T.Durand & Pittier
Betula alnus L.
Alnus incana var. pinnatifida Wahlenb.
Alnus incana var. tomentosa A.Blytt
Alnus incana var. nana Brenner
Alnus incana f. subcordifolia Callier
Alnus incana f. glabrata Brenner
Alnus incana var. sericea Christ
Betula incana var. angulata Aiton
Alnus incana var. leptophylla Callier
Alnus incana f. acuminata (Regel) Regel
Alnus incana var. ovalis Callier
Alnus incana f. pendula C.K.Schneid.
Alnus incana f. sublaevis Brenner
Alnus incana f. subcordata Callier
Alnus incana var. obtusifolia Callier
Alnus incana var. laciniata Gaudin
Alnus incana f. subargentata Callier
Alnus incana var. subrotunda Callier
Alnus incana f. acutiloba (W.D.J.Koch) Hallier
Alnus plicata K.Koch
Alnus argentata var. pinnatipartita (Norrl.) Tzvelev
Alnus incana f. coccinea Callier
Alnus incana var. orbicularis Callier
Alnus borealis (Norrl.) C.Regel
Alnus incana var. borealis Norrl.
Alnus incana var. arcuata Skarman
Alnus incana var. vulgaris Spach
Alnus incana f. angustissima Holmb. ex Hyl.
Alnus incana f. pinnatisecta Callier
Alnus incana f. pallida Dippel
Alnus incana f. glabrescens Brenner
Alnus alisoviana Mandl
Alnus incana var. pinnata (Lundmark) Willd.
Betula palustris Salisb.
Alnus incana var. microconus Neuman
Alnus incana f. blyttiana Callier
Alnus incana f. laevior Brenner
Alnus incana f. microphylla Callier
Alnus incana f. microconus (Neuman) Callier
Alnus incana f. arcuata Skårman
Alnus argentata (Norrl.) Tzvelev
Alnus incana f. microcarpa Callier
Alnus incana f. monstrosa (Späth) Dippel
Alnus tirolensis Nyman