. . . "Red alder" . . . . . . . . "red-alder" . . . . . "alnus rubra" . . . . "alder" . . "red alder (''Alnus rubra'')" . "A. rubra" . . "Alder" . . "Alnus rubra" . . . "Alnus rugosa" . . "Alnus rubra" . . . . "Red Alder" . . . . "alders" . . . . "Red alder (''Alnus rubra'')" . . . . . . "red alder" . "Alder (Red)" .