Conferva rupestris Linnaeus, Species Plantarum 2: 1167. 1753.

"Habitat in Europae marinis rupibus copiosissima." RCN: 8394a.

Lectotype (Irvine in Spencer & al. in Taxon, in press): [icon] " Conferva marina trichodes ramosior " in Dillenius, Hist. Musc.: 28, t. 5, f. 29. 1742. - Voucher: Herb. Dillenius (OXF) .

Generitype of Conferva Linnaeus, nom. rej.

Current name: Cladophora rupestris (L.) Kuetz . ( Cladophoraceae).

Note: Conferva Linnaeus, nom. rej. in favour of Cladophora Kütz . Van den Hoek (Revis. Eur. Sp. Cladophora: 64. 1963) treated material in the Dillenius herbarium as the type but as this was not studied by Linnaeus, it cannot be original material for the name.