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A taxonomic revision of Hymenophyllaceae
A new classification of Hymenophyllaceae, consisting of nine genera and every genus, subgenus and section chiefly corresponds to the mono phyletic group elucidated in molecular phylogenetic analyses based on chloroplast sequences is proposed.
rbcL gene sequences provide evidence for the evolutionary lineages of leptosporangiate ferns.
- M. Hasebe, T. Omori, M. Nakazawa, T. Sano, M. Katô, K. Iwatsuki
- BiologyProceedings of the National Academy of Sciences…
- 7 June 1994
To compare competing classifications, DNA sequences of a chloroplast gene were obtained and phylogenetic trees were inferred by the neighbor-joining and the parsimony methods that provided insights concerning major general evolutionary trends in the leptosporangiate ferns.
Molecular phylogeny of Coriaria, with special emphasis on the disjunct distribution.
The phylogenetic tree shows that the Chile-Papua New Guinea-New Zealand-Pacific islands species and the Central America-northern South America species form a sister group, and the Eurasian clade is more basal to them.
Molecular systematics of the fern genus Hymenophyllum s.l. (Hymenophyllaceae) based on chloroplastic coding and noncoding regions.
Phylogeny of Aspleniaceae Inferred from rbcL Nucleotide Sequences
RbcL sequences of 25 species and 2 varieties of Aspleniaceae with various leaf and rhizome morphologies are determined, and a phylogenetic analyses with the following conclusions are conducted: 1) leaf shape is not congruent with rbcL phylogeny in AsPleniaceae; 2) rhizomes morphology reflects rbcC phylogeny; 3) naturally occurring hybrids are generated only between closely related species and thus reflect the rbcS phylogeny.
Nuclear DNA, chloroplast DNA, and ploidy analysis clarified biological complexity of the Vandenboschia radicans complex (Hymenophyllaceae) in Japan and adjacent areas.
The results based on 266 individuals collected from 174 localities throughout Japan and Taiwan suggest that complicated hybridizations have occurred involving at least three parental diploid species from within the V. radicans complex and Vandenboschia liukiuensis.
Evolution and Diversification of Land Plants
Charting diversity in early land plants morphological diversity and evolution of vegetative organs in pteridophytes RNA editing in land plants phylogenetic reconstruction of some conifer families…
Diploid and triploid offspring of triploid agamosporous fernDryopteris pacifica
- Su-juan Lin, Masahiro Kato, K. Iwatsuki
- BiologyThe botanical magazine = Shokubutsu-gaku-zasshi
- 1 September 1992
This novel mechanism of ploidy reduction is discussed in relation to the origin of diploid agamosporous ferns, the taxonomic complexity of the species, and the correlation of agamospory with polyploidy.
Claytosmunda : a New Subgenus of Osmunda (Osmundaceae)