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Carduus nigrescens Vill. var. glaber Wk.
Genus:
Carduus
Species:
nigrescens var. glaber
Author:
M.Willkomm
Published place:
Barcelona (Barcinonensis)
Published year:
1861
Published in:
M.Willkomm in: Costa in: Index seminum horti botanici universitatis Barcinonensis, anno MDCCCLXI collectorum: 6
Original seen in:
Brussels (BR); Leiden (L) photocopy; IDC microfiches (7805)
Notes:
