Peyssonnelia obscura Weber na Bosse var. bombayensis B0rgesen
Thallus form and type
Lower mid littoral zone
Plants dark red in colour, crustose, orbicular, attached by unicellular rhizoids arising from the lower surface (Fig. a); margins free, thallus composed of single row of hypothelial cells and vertical rows of perithalial filaments; perithallial filaments 4 - 6 celled.
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