4Yoshida T, Notoya M, Kikuchi N, et al. Catalogue of species of Porphyra in the world, with special reference to the type locality and bibliography [J]. Natural His- tory Research (special issue), 1997, 3: 5-18.
5Silva P C. Porphyra from the Index Nominum Alga- rum[EB/OL], http://ucjeps.berkeley.edu/rlmoe/porphy- ra. html. University Herbarium, University of Cali- fornia at Berkley. Review, 1999: 12/20/99.
6Neefus C D, Mathieson A C, Klein A S, et al. Porphyra birdiae sp. nov. (Bangiales, Rhodophyta): A New Species from the Northwest Atlantic[J]. Algae, 2002, 17(4): 203-216.
7Sahoo D, Tang X R, Yarish C. Porphyra: the economic seaweed as a new experimental system [J]. Current Science, 2002, 83(11): 1313-1316.
8Zemke-White W L, Ohno M. World seaweed utilization: An end-of-century summary [J]. Journal of Applied Phycology, 1999, 11: 369-376.
9Kropf D L. Induction of polarity in fucoid zygotes [J]. The Plant Cell, 1997, 9: 1011-1020.