2. Theil. Flora fossilis Grönlandica - Heer, Oswald <1809-1883>. (OLS)http://semarc/name/89251 (Flora fossilis arctica, 1883)
Keywords: Regioni artiche - Botanica. (OLS)http://semarc/subject/44569; Paleobotanica. (OLS)http://semarc/subject/44570