One of the oldest known,terrestrial vegetation Arthrostigma gracileDawson from the Lower Devonian of Chanyi in Yunnan was first recorded inHalle's paper of 1927.The same investigator received in 1933 from V.K.Ting additional material,collected by Y.L.Wang from the same locality in
Abstract:
One of the oldest known,terrestrial vegetation Arthrostigma gracileDawson from the Lower Devonian of Chanyi in Yunnan was first recorded inHalle's paper of 1927.The same investigator received in 1933 from V.K.Ting additional material,collected by Y.L.Wang from the same locality in
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H. C. SZE.1941. A new Occurrence of the Oldest Land Plants from the Chaotung District, Yunnan[J]. ACTA GEOLOGICA SINICA(English edition),21(1):
