RijksHerbarium & Delta Institute for Hydrobiological Research [? - ?]

University of North Carolina at Chapel Hill Herbarium; Max & Fran Hommersand Algae Herbarium: Algae
Catalog #: NCU-A-0013798
R. H. [Rijksherbarium, Leiden] #53 21 July 1975
Gracilaria gracilis (Stackhouse) M.Steentoft, L.M.Irvine & W.F.Farnham
Netherlands, Zeeland, Reimerswaal, Nederland, Zeeland, Zuid-Beveland, Yerseke

University of North Carolina Wilmington, David J. Sieren Herbarium
Catalog #: WNC-A-0003581
R. H. [Rijksherbarium, Leiden] #s.n. 21 July 1975
Gracilaria sjoestedtii Kylin
Netherlands, Zeeland, Reimerswaal, Nederland, Zeeland, Zuid-Beveland, Yerseke