Amphiroa

Amphiroa is a genus of thalloid alga comprising 111 species. Specimens can reach around 30 cm in size. The thalli take a crustose form; dichotomous branches are formed. The organisms possess secondary pit connections. Amphiroa reproduces by means of conceptacles; it produces tetraspores. Its pore canals are lined with parallel filaments; the morph...
Found on http://en.wikipedia.org/wiki/Amphiroa
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