Plenasium
National Institutes of Health
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The Osmundales (Royal Fern order) originated in the late Paleozoic and is the most ancient surviving lineage of leptosporangiate…
Abstract Accumulations of Osmunda (Plenasium) lignitum (Giebel) Stur fern foliage have been recently recovered in the Oligocene…
rbcL sequences of 11 of 15 extant species of Osmundaceae which represent all three genera, Osmunda, Todea and Leptopteris. Our…
From the Fortnosan ferns, Plenasium banksiaefolium and Bolbitis subcordata, the phytoecdysones ponasterone A and ecdysterone…
The phylogenetic background of the living species of Osmunda is interpreted from seven species of fossil rhizomes, six of which…