Synonyms: Alnus acuminata var. ferruginea; Alnus acuminata var. mirbelii; Alnus acuminata var. spachii; Alnus acutissima; Alnus arguta var. benthamii; Alnus arguta var. ovata; Alnus arguta var. punctata; Alnus castaneifolia; Alnus ferruginea; Alnus ferruginea var. aliso; Alnus ferruginea var. obtusifolia; Alnus ferruginea var. typica; Alnus jorullensis; Alnus jorullensis f. angustifolia; Alnus jorullensis f. macrocarpa; Alnus jorullensis var. acutissima; Alnus jorullensis var. castaneifolia; Alnus jorullensis var. ferruginea; Alnus jorullensis var. mirbelii; Alnus jorullensis var. spachii; Alnus lanceolata; Alnus lindenii; Alnus mirbelii; Alnus mirbelii var. acutissima; Alnus rufescens (homotypic); Alnus serrulata var. pumila; Alnus spachii