1. The genus Porphyra in British Columbia and Washington;Conway;Syesis,1975
2. Reproduction in the Bangiophycidae;Drew;Bot. Rev.,1956
3. A field, culture and cytological study of Porphyra gardneri (Smith & Hollenberg) comb, nov., (=Porphyrella gardneri Smith & Hollenberg), (Bangiales, Rhodophyta);Hawkes;Phycologia,1977
4. Hawkes , M. W. 1978a A Field, Culture and Cytological Study of Porphyra gardneri, Porphyra nereocystis and Porphyra thuretii (Rhodophyta, Bangiophycidae) Ph.D. Thesis xxvii