Chauvin & Roberge, Algues Norman.
Chauvin, F.J.; Roberge, M.R. [1 - 200]

University of Michigan
Catalog #: 723333
J.F. Chauvin #s.n.
Zygnema cruciatum (Vaucher) C.Agardh
France, Normandy, [No precise loc]