Genus Crusea Species aspera Author F.Th.Bartling Published place Gottingen Published year 1838 Published in F.Th.Bartling in: Index Seminum Horti Academici Gottingensis 1838: 2 Original seen in Padova (PAD); Leiden (L) photocopy Notes Later published in: Linnaea 13(1839) Litt. 95