Protopicea juncta

Citations total:
link From To Geolocation Author - title Year
details Permian USSR(Taymyr Nat.Okrug) Hart,G.F. The systematics and distribution of Permian miospores. 1965
details Middle Carboniferous USSR(Uzbek SSR) Sikstel,T.A. et al. On the flora past of Central Asia. (In: The Paleobotany of Uzbekistan. T.A.Sikstel, editor) 1968
details Late Permian Nd Somers,Y. Disaccate spores from the Westphalian A -Campine Basin, Belgium; emendation of the genera Alisporites, Daugherty 1941. 1968