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Confirmation of the Occurrence and Distribution of Three Fern Species in Taiwan

三種蕨類植物在臺灣的分布確認

摘要


本文為三種放類植物在臺灣分布之確認報導,該三種藤類植物依序為大球稈毛蕨(Crepidomanes grande (Copel.) Ebihara & K.Iwats.,其一長期被學界忽略之分額群)、剛毛輻禾蕨(Radiogrammitis setigera (Blume) Parris,係一個再發現的稀有蕨類),以及俯垂穴子藤(Prosaptia nutans (Blume) Mett.;2010年由B.S. Parris報導為臺灣新紀錄蕨類,但因相當稀有,故鮮為世人所知)。本文除了提供該三種厥類植物之形態特徵、野外彩色照片,及其分類與發現等相關歷史緣由外,亦根據國際自然保育聯盟(IUCN)的評估準則,針對上述三種植物提出在臺灣的稀有及保育等級建議供參。

並列摘要


The occurrence and distribution of 3 poorly known fern species in Taiwan are confirmed herein. They are 〞Crepidomanes grande〞 (Copel.) Ebihara & K. Iwats. (an overlooked species), 〞Radiogrammitis setigera〞 (Blume) Parris (a rediscovered species), and 〞Prosaptia nutans〞 (Bl.) Mett. (a poorly known record in Taiwan). This paper provides morphological descriptions, diagnostic photos, and taxonomic notes for their identification. Their conservation statuses in Taiwan are also evaluated according to the IUCN Red List categories and criteria.

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