The microspore genus Lycospora in its wider sense is produced by both heterosporous cones, Flemingites, and homosporous cones Lepidostrobus. Calculations are made of the number microspores that then individual Pennsylvannian arborescent lycophytes. distribution rooting rhizohores, Stigmaria can be extrapolated to a square kilometre forest. A calculation spores such forest enormous which explain...
