Heterotheca grievii

Citations total:
3
link From To Geolocation Author - title Year
details Nd Scotland(Fife) Florin,R. On the morphology of the pollen grains in some Palaeozoic Pteridosperms. 1937
details Nd Nd Potonie,R. Position of the Paleozoic spore genera in the natural system. 1954
details Early Carboniferous Scotland Potonie,R. Synopsis of the Sporae in situ. 1962