Collins, Holden & Setchell, Phycoth. Bor.-Amer.
Collins, F.S.; Holden, I.; Setchell, W.A. [1-2300]

Brown University - Algae
Catalog #: ABRU00004299
I. F. Lewis s.n.
Porphyrosiphon notarisii Kützing ex Gomont
Jamaica, Jamaica

Yale University Herbarium
Catalog #: YU.094606
Ivey Foreman Lewis s.n.
Porphyrosiphon notarisii Kützing ex Gomont
Jamaica, Jamaica