Plant fossil remains from the rhaetian of shemshak formation,narges-chal area, alborz, ne iran...viz., Equisetales, Marattiales, Filicales, Pteridospermales, Bennettitales, Ginkgoales, and Coniferales....
The second addition to the oarai flora of the upper cretaceous oarai formation in ibaraki prefecture, japan. : the fossil plants of ibaraki.......no. 3... 1-4, tables 1-2, which contains the amended fossil list of 3 species in 3 genera of Filicales, 2 species in 2 genera of Equisetales, 5 species in 4 genera of Cycadophyta, 3 species in 3 genera of Coniferae, 2 species in 2 genera of Monocotyledoneae, 30 species in 27 genera of Dicotyledoneae....
Complete plastid genomes from ophioglossum californicum, psilotum nudum, and equisetum hyemale reveal an ancestral land plant genome structure and resolve the position of equisetales among monilophytes... However, the relationships among major fern lineages, especially the placement of Equisetales, remain enigmatic....
