Genus Scleropus Author H.A.Schrader Published place Gottingen Published year 1835 Published in H.A.Schrader in: Index Seminum Horti Academici Gottingensis 1835: 5 Original seen in Leiden (L) photocopy; IDC microfiches (7842) Notes Later published in: Linnaea 11 (1836-38) Litt.89-90