Euastrum biverrucosum A.A. Gontcharov et M.M.Watanabe
Reference: Bourrelly & Manguin 1949
Compare with: Cosmarium dilatatum
Reference: Bourrelly & Manguin 1949
Compare with: Cosmarium dilatatum
Remarks: Basionym: Euastrum englerii var. madagascariense Bourrelly et Manguin
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