Dittrichia viscosa (L.) Greuter in Exsicc. Genav. Conserv. Bot. Distrib. Fasc.: 71. 1973
Dittrichia viscosa in Exsicc. Genav. Conserv. Bot. Distrib. Fasc.: 71. 1973
is new combination for Erigeron viscosus, Sp. Pl.: 863. 1753
Dittrichia viscosa in Exsicc. Genav. Conserv. Bot. Distrib. Fasc.: 71. 1973