Abstract

Two fern taxa of Dryopteridaceae, Polystichum chunii and P. tenuius, are reported as new records of Taiwan. Morphological descriptions, synonyms, taxonomic notes, line-drawings and photographs of living material, and IUCN Red List Category are provided herein.

中文摘要

本文報導兩種臺灣的新紀錄鱗毛蕨科植物，即陳氏耳蕨 (Polystichum chunii Ching) 與離脈柳葉蕨 (P. tenuius (Ching) L. B. Zhang)。除分別簡述其模式資訊、形態與分類特徵、生境、世界分布、引證標本外，並提供相關照（圖）片以利鑑別；同時也根據國際自然保育聯盟（IUCN）的評估準則，針對上述二種植物提出在臺灣的稀有及保育等級建議。

Keyword: Fern, IUCN, new records, Polystichum chunii, Polystichum tenuius, Taiwan, taxonomy.