Tyson, S. Afr. Marine Algae
Tyson, W. [1 - 100]

University of Vermont, Pringle Herbarium, Algae Collection
Catalog #: UVMVT306465
Tyson, W. s.n.
Galaxaura beckeri
South Africa, Eastern Cape, Kowie River

University Herbarium, University of California, Berkeley
Catalog #: UC688206
W. Tyson #s.n.
Dichotomaria diesingiana (Zanardini) Huisman, J.T.Harper & G.W.Saunders
South Africa, Western Cape, Kowie