Porphyra angusta Okamura & Ueda, 1932



Taxonomy & Nomenclature



Conservation Status


Last record: c.1940



Tokyo Bay, Chiba Prefecture side, Kantō region (southern), Honshu, Japan


Biology & Ecology










Original scientific description:

殖田三郎. (1932). 日本産あまのり属ノ分類学的研究.水産講習所研究報告 28: 1-45.


Other references:

Chiang, Y-M. & Wang, J-C. (1980). A study on the production of conchosporangia in the conchocelis phase of Porphyra angusta Okamura et Ueda. Phycologia 19: 20-24, 3 figs, 2 tables.

Kim, H.-S. & Boo, S.-M. (2010). Algal flora of Korea. Volume 2, Number 1. Heterokontophyta: Phaeophyceae: Ectocarpales. Marine brown algae I. pp. [1-6], 1-195, figs 1-19. Incheon: National Institute of Biological Resources.

Kurogi, M. (1963). Species of Porphyra cultivated in Yamada and Funakoshi Bays and a new form of Porphyra angusta Okamura et Ueda (notes on Porphyra 2). Bull Tohoku Reg Fish Res Lab No 23: 117-140.

Miura, A. (1977). Porphyra akasakai, a new species from the Sanriku coast, northeastern district of Honshu, Japan. J. Tokyo Univ. Fish., 63: 197-202.

Okamura, K. (1936). Nippon kaisô shi [Descriptions of Japanese algae]. pp. [4], [1]-9, [1], [1]-964, [1]-11, frontispiece portrait, 427 figs. Tokyo: Uchida Rokakuho. [in Japanese]

Tanaka, T. (1952). The systematic study of the Japanese Protoflorideae. Memoirs of the Faculty of Fisheries, Kagoshima University 2(2): 1-92, 41 figs, 23 pls.


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