1) Genus porphyra 2) Italian boy name 3) Protoctist genus 
Porphyra is a coldwater seaweed that grows in cold, shallow seawater. More specifically, it is a foliose red algal genus of laver, comprising approximately 70 species. It grows in the intertidal zone, typically between the upper intertidal zone and the splash zone in cold waters of temperate oceans. In East Asia, it is used to produce the sea vege...
[n] - a genus of protoctista
genus Porphyra noun a genus of protoctist