Bangiales

Porphyra. Thalle constitue par des filaments gluants cylindriques et ramifies

Rhodophycees ou Floridees (Algues rouges) Porphyrees ou Bangiales, Porphyra linearis (Grev.) De Toni.

Porphyra. Formation des tetraspores

Porphyra. Thalle mince et plat, formant des frondes larges et partant d'un disque ou filament, formes par une assise de cellules

Preparation of Porphyra. From a Japanese Print.

This is a seasonal species best developed from late winter through summer. In Japan Porphyra has been cultivated as a food known as nori for a thousand years. The reproductive cycle includes the shell-boring phase known as Conchocelis.

Porphyra umbilicalis in Iceland.