Genus Hieracium Species patens Author F.Th.Bartling Published place Gottingen Published year 1850 Published in F.Th.Bartling in: Index Seminum Horti Academici Gottingensis 1850: 4 Original seen in Vienna (WU); Leiden (L) photocopy Notes Later published in: Linnaea 24(post Jul 1851) 207-208