noun
Thorea okadae (species of red alga)
A specific species of freshwater red alga found in Japan. Scientific name: Thorea okadae. Typically written in katakana.
チスジノリは日本の清流に生育する淡水産紅藻の一種である。
Thorea okadae is a species of freshwater red alga that grows in clear streams in Japan.
The name チスジノリ (血条苔) literally means 'blood-streak seaweed', likely referring to the reddish, streak-like appearance of the alga. The exact derivation is uncertain.