Browsing by Author "De Roo, Ryan Thomas"
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- ItemOpen AccessMolecular systematics of the genus Widdringtonia Endl(2002) De Roo, Ryan Thomas
- ItemOpen AccessMolecular systematics of the leafy liverwort family Lophoziaceae cavers(2009) De Roo, Ryan Thomas; Hedderson, Terry A; Söderström, LarsMany recent workers have included it in Jungermanniaceae, and even in its strictest sense, internal classification has varied widely among different treatments. Here an analysis of the variation in DNA sequences of the chloroplast rps4 gene and the trnG intron provides resolution of phylogenetic relationships in the leafy liverworts with emphasis on the various elements usually placed in Lophoziaceae. The following conclusions are drawn.
- ItemOpen AccessPragmatic strategy of amphicarpic Sedge Trianoptiles solitaria(2017-08-23) De Roo, Ryan Thomas