Aspidiaceae FH: 00805670 Dictyopteris prolifera (Okamura) Okamura Japan: Nemoto (Boshu) K. Okamura 1898-6
Batrachospermaceae FH: 00777980 Batrachospermum gallaei Sirodot Japan: [data not captured] K. Okamura 1901-4
FH: 00778100 Batrachospermum moniliforme Roth Japan: [data not captured] K. Okamura 1902-3
FH: 00778072 Batrachospermum virgatum Sirodot Japan: [data not captured] K. Okamura 1903-2
Bonnemaisoniaceae FH: 00624548 Delisea fimbriata (J. V. Lamouroux) J. V. Lamouroux Japan: Nemoto, Boshu, Japan K. Okamura 1898-6
Boodleaceae FH: 00550248 Boodlea coacta (Dickie) G. Murray & De Toni Japan: Chiba [data not captured] K. Okamura 1899-6
Ceramiaceae FH: 00789143 Campylaephora hypnaeoides J. Agardh Japan: [data not captured] K. Okamura
FH: 00789471 Centroceras clavulatum (C. Agardh) Montagne Japan: [data not captured] K. Okamura 1900-7
Ceramieae FH: 00789141 Carpoblepharis schmitziana (Reinbold) Okamura Japan: [data not captured] K. Okamura 1900-4
FH: 00789471 Ceramium clavulatum C. Agardh Japan: [data not captured] K. Okamura 1900-7
FH: 00789752 Ceramium flaccidum (Harvey ex Kützing) Ardissone Japan: [data not captured] K. Okamura 1898-3
FH: 00789752 Ceramium gracillimum (Kützing) Zanardini Japan: [data not captured] K. Okamura 1898-3
FH: 00789855 Ceramium paniculatum Okamura Japan: [data not captured] K. Okamura 1898-6
Chaetangiaceae FH: 00778585 Brachycladia marginata (J. Ellis & Solander) F. Schmitz Japan: [data not captured] K. Okamura 1898-3
Champiaceae FH: 00788360 Champia japonica Okamura Japan: [no additional data] K. Okamura 1932-5
FH: 00788469 Champia parvula (C. Agardh) Harvey Japan: [data not captured] K. Okamura 1898-3
FH: 00909725 Gastroclonium ovale (Hudson) Kützing Japan: Kobama, Japan K. Okamura 1898
Chordariaceae FH: 00819975 Chordaria abietina Ruprecht ex Farlow Japan: Kisennuma (Rikuzen) K. Okamura 1899-3
FH: 00909650 Myelophycus simplex (Harvey) Papenfuss Japan: [data not captured] K. Okamura 1898-3
Dasyoideae FH: 00624274 Dasya scoparia Harvey Japan: Nemoto, Boshu, Japan K. Okamura 1897-6
Delesserioideae FH: 00789114 Caloglossa leprieurii (Montagne) G. Martens Japan: [data not captured] K. Okamura
FH: 00789116 Caloglossa ogasawaraensis Okamura Japan: [data not captured] K. Okamura 1902-7
Dictyotaceae FH: 00870024 Padina arborescens Holmes Japan: Enoshima (Sagami) K. Okamura 1898-4
FH: 00870024 Padina durvillei Bory Saint-Vincent Japan: Enoshima (Sagami) K. Okamura 1898-4
Endocladiaceae FH: 00624875 Endocladia complanata Harvey Japan: [data not captured] K. Okamura 1902-5
Fucaceae FH: 00909652 Pelvetia wrightii Okamura Japan: [no additional data] K. Okamura 1904-8
Galaxauraceae FH: 00899466 Galaxaura divaricata (Linnaeus) Huisman & R.A.Townsend Japan: [no additional data] K. Okamura 1930-7
FH: 00899466 Galaxaura fastigiata Decaisne Japan: [no additional data] K. Okamura 1930-7
Gelidiaceae FH: 00550945 Acanthopeltis japonica Okamura Japan: [data not captured] K. Okamura 1898-8
FH: 00909850 Gelidium amansii elatum Okamura Japan: [no additional data] K. Okamura 1933-9
FH: 00907097 Gelidium divaricatum G. Martens Japan: Watanoha, Rikuzen, Japan K. Okamura 1897-7
FH: 00907119 Gelidium linoides Kützing Japan: marine algae from the herbarium of K. Okamur... K. Okamura 1933-9
FH: 00907185 Gelidium repens Kützing Japan: Hai-tengusa, Okamura, Boshu, Japan K. Okamura 1898-5
Gigartinaceae FH: 00788925 Chondrus elatus Holmes Japan: [data not captured] K. Okamura
FH: 00788933 Chondrus ocellatus crispus Okamura Japan: [data not captured] K. Okamura 1931-10
FH: 00788932 Chondrus ocellatus giganteus (Yendo) Okamura Japan: [data not captured] K. Okamura 1934-3
FH: 00907560 Gigartina intermedia Suringar Japan: Shirahama, Boshu, Japan K. Okamura 1907-5
FH: 00907822 Gigartina teedei (Mertens ex Roth) J. V. Lamouroux Japan: Misaki, Sagami, Japan K. Okamura 1901-3
FH: 00907851 Gigartina tenella Harvey Japan: Sugi-Nori, Boshu, Japan K. Okamura
Halymeniaceae FH: 00777101 Aeodes lanceolata Okamura Japan: [data not captured] K. Okamura 1933-5
Heterochordariaceae FH: 00819975 Analipus japonicus (Harvey) M.J.Wynne Japan: Kisennuma (Rikuzen) K. Okamura 1899-3
Kallymeniaceae FH: 00776381 Callophyllis chilensis (J. Agardh) Okamura Japan: [data not captured] K. Okamura
FH: 00776654 Callophyllis japonica Okamura Japan: Enoshima (Sagami) K. Okamura
Lomentariaceae FH: 00788307 Ceratodictyon spongiosum Zanardini Japan: [data not captured] K. Okamura 1899-7
Phycodryeae FH: 00624926 Erythroglossum repens Okamura Japan: [data not captured] K. Okamura 1931-6
Polyzonieae FH: 00909131 Euzoniella flaccida (Harvey) Falkenberg Japan: marine algae from the herbarium of K. Okamur... K. Okamura 1932-11-15
Rhizophyllidaceae FH: 00618032 Chondrococcus japonicus (Harvey) De Toni Japan: [data not captured] K. Okamura 1898-3
Rhodomelaceae FH: 00624677 Digenea simplex (Wulfen) C. Agardh Japan: Makuri, Kai-nin-so, Riukiu, Japan K. Okamura
Rhodymeniaceae FH: 00624922 Erythrocolon muelleri (Sonder) De Toni Japan: [data not captured] K. Okamura 1900-5
Solieriaceae FH: 00909012 Eucheuma spinosum J. Agardh Japan: Riukiu, Japan K. Okamura
