Pterospermum

Citations total:
2
link From To Geolocation Author - title Year
details Late Miocene Recent Nd Muller,J. Palynological evidence on Early differentiation of angiosperms. 1970
details Early Miocene Pleistocene Nd Muller,J. Significance of fossil pollen for angiosperm history. (In: Historical Perspectives of Angiosperm Evolution.) 1984