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The use of matK in Ophioglossaceae Phylogeny and the Determination of Mankyua Chromosome Number Shed Light on Chromosome Number Evolution in Ophioglossaceae
TLDR
The molecular phylogenetic trees based on combined data sets of rbcL and matK suggest that Mankyua might be the earliest-diverging lineage of Ophioglossaceae.
Cytotaxonomic study of ferns of Yunnan, southwestern China
TLDR
The present evidence indicates that most triploid species examined are agamosporous, as general in filicalean ferns, and also suggests the sexual 32-spored sporogenesis in Hypodematium crenatum andSorolepidium graciale as in Lindsaeaceae.
Two types of partial fertility in a diploid population of the fern Thelypteris decursive-pinnata (Thelypteridaceae)
TLDR
Two types of abnormal sporophytes were observed in a population of diploid Thelypteris decursive-pinnata, suggesting that both are offspring of a founder sporophyte, which may have possessed two types of mutated recessive genes responsible for the spore sterility and the synaptic failure in meiosis.
Evidence of genetic segregation in the apogamous fern species Cyrtomium fortunei (Dryopteridaceae)
TLDR
It is shown that genetic segregation occurs in apogamous C. fortunei in relatively high frequency, and the segregation frequency in gametophytes is significantly higher than that in sporophytes of the next generation (χ2 = 4.90, P =-0.027).
Evidence for Hybrid Origin and Segmental Allopolyploidy in Eutetraploid and Aneutetraploid Lepisorus thunbergianus (Polypodiaceae)
TLDR
The origins of L. thunbergianus polyploids were elucidated by analyzing allozyme polymorphisms, and the occurrence of segmental allopolyploidy was examined by comparing allelic variation between polyploid and their parental diploids.
Cytotaxonomic Studies on Thirteen Ferns of Taiwan
TLDR
The present results are the first cytological records of Taiwanese plants of the taxa, and the chromosome counts for the remaining two taxa matched those previously reported from Taiwan.
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