Tavola XV

1) Striaria attenuata Grev. fo. typica Hauck; 2) Striaria attenuata Grev. var. crinita (Ag.) Hauck; 3) Striaria attenuata Grev. var. ramosissima (Zan.) Hauck; 4) Cystoseira barbata (Good. et Wood.) Ag. var. Hoppii Ag.;

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