菊科新歸化植物——刺萵苣

Lactuca serriola (Asteraceae), a Newly Naturalized Plant in Taiwan

本文報導臺灣的新歸化植物，菊科的刺萵苣（Lactuca serriola L.），發現分佈於西臺灣中部與澎湖，屬於入侵型雜草。除在臺灣的地理分佈外，本文提供分類特徵描述，手繪圖，以及照片以供區分鑑

A newly naturalized herb was recently recorded here. Lactuca serriola L. (Asteraceae) was found in the central part of western Taiwan and Penghu island, as an alien weed. This report gives taxonomic descriptions and illustrations. Photographs are also provided for identification.