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J Plant Res. 2012 Jul;125(4):499-505. doi: 10.1007/s10265-012-0474-x. Epub 2012 Jan 19.

Origin of Dryopteris shibipedis (Dryopteridaceae), a fern species extinct in the wild.

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  • 1Department of Botany, National Museum of Nature and Science, 4-1-1 Amakubo, Tsukuba 305-0005, Japan. ebihara@kahaku.go.jp

Abstract

Dryopteris shibipedis was once treated as an extinct species in the Red List (2007) by the Japanese Ministry of the Environment, but 'rediscovered' in the Tsukuba Botanical Garden. To clarify its origin, using 'overlooked' cultivated stocks we analyzed nuclear PgiC intron sequences. As the PgiC genotype of D. shibipedis can be explained by a combination of alleles of D. kinkiensis and those of D. pacifica, the hypothesis of hybrid origin of the species is supported.

PMID:
22258702
[PubMed - indexed for MEDLINE]
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