This mentioned taxonomy is an attempt to make an conclusive assignment from the different classifications of various scientists. Because the taxonomy may change due to the latest investigative methods and other findings, our map is a guide only.
Corresponding author (Name, Year)
Reference- and Source indication, Literature
William D. Tidwell and Samuel R. Rushforth: Osmundacaulis wadei, a New Osmundaceous Species from the Morrison Formation (Jurassic) of Utah. Bulletin of the Torrey Botanical Club, Vol. 97, No. 3 (May - Jun., 1970), pp. 137-144.
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