厚膜藻 Pachymenia carnosa J.A.是隐丝藻科的一种大型暖水性红藻,外观紫红色,片状、膜质、粘滑,藻体呈叉状或掌状的分枝裂片。浙江沿海习称之为红菜,主要产于嵊泗列岛、中街山列岛、鱼山岛及南麂岛等地,尤以嵊泗列岛资源丰富,每年约可收购几万斤干品。此种藻生长于低潮带的岩石上或石沼中,并均匀地散生在其他藻类中 Pachymenia carnosa J.A. is a kind of large-scale warm-water red algae of the cryptophyceae. Its appearance is mauve, flaky, membranous, sticky and slippery. Zhejiang coast habitat called red cabbage, mainly produced in Shengsi Islands, Zhong Street, Island, Fish Island and Nanji Island and other places, especially rich in resources in the Shengsi Islands, each year about the acquisition of several thousand pounds of dried goods. The algae grow on rock or stone in the low tide zone and disperse evenly in other algae