Abstract

A new species of freshwater red alga, Batrachospermum tapirense Kumano & Phang, is reported as a supplement to the floristic record in Taiwan. The morphology, habitat, and the locality of this species were described. A key to the species is given. This species was found at Fusan in low abundance in a clear, cool, running stream. It can be recognized as an endangered rare species in Taiwan.

中文摘要

本文報導一種新近發現的台灣淡水紅藻新記錄種:串珠藻（Batrachospermum tapirense Kumano & Phang）。此種與先前發表之其他淡水紅藻一樣都是分佈於山區無或微污染的溪流，棲地之水溫低，溶氧量高，是貧腐水或貧養水級的指標藻種。此新記錄種僅在福山地區被發現﹐其出現數量又很低﹐在台灣屬於瀕危稀有種。本文除對其形態和棲地等給予描述外﹐並提供新的種檢索表。

Keyword: Batrachospermum, Freshwater Rhodophyta, New record, Rare species, Taiwan.