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Tuesday, September 1, 2026
American Culture ClubAMERICAN CULTURE, ARTS & IDEAS

Smithsonian Open Access Explorer

Smithsonian Open Access Explorer organizes records from Smithsonian Open Access API into a static table for transparent comparison. It preserves official source links and dates, marks missing enrichment, and adds deterministic grouping, change, recency, trend, or significance fields only where the documented inputs support them, without recommendations or unsupported claims.

Records
5,000
Last changed
Update schedule
18 12 3 * * UTC
Coverage
01/01/1190–10/03/2048
Method
Methodology
RecordRecord DateVuga GroupChange StatusRecency DaysPublic Significance Score
Dictyopteris undulataNMNHBOTANYunchanged0
Pleonosporium squarrulosum (Harv.) I.A. Abbott04/02/1966NMNHBOTANYunchanged22,064.430
Ceramium codicola08/14/1957NMNHBOTANYunchanged25,217.430
Iridaea cordata (Turner) Bory07/27/1942NMNHBOTANYunchanged30,714.430
Caulerpa sp.09/06/1924NMNHBOTANYunchanged37,247.430
Gigartina sp.05/11/1963NMNHBOTANYunchanged23,121.430
Chara zeylanica J.G. Klein ex Willd.12/21/1951NMNHBOTANYunchanged27,280.430
Trentepohlia aurea07/26/1878NMNHBOTANYunchanged54,090.430
Microcoleus lyngbyaceus Kütz. ex Forti09/16/1897NMNHBOTANYunchanged47,098.430
Ceramium diaphanum (Lightf.) Roth07/03/1996NMNHBOTANYunchanged11,014.430
Dumontia contorta (S.G. Gmel.) Rupr.05/10/1914NMNHBOTANYunchanged41,019.430
Gymnogongrus platyphyllus N.L. Gardner10/10/1971NMNHBOTANYunchanged20,047.430
Colpomenia peregrina Sauv.04/03/1966NMNHBOTANYunchanged22,063.430
Halimeda discoidea Decne.01/21/1974NMNHBOTANYunchanged19,213.430
Oscillatoria retzii C. Agardh09/10/1952NMNHBOTANYunchanged27,016.430
Gelidium purpurascens N.L. Gardner06/18/1966NMNHBOTANYunchanged21,987.430
Coccochloris elabens06/16/1940NMNHBOTANYunchanged31,485.430
Scytonema hofmannii C. Agardh ex Bornet & Flahault07/14/1900NMNHBOTANYunchanged46,067.430
Gracilariopsis longissima (S.G. Gmel.) Steentoft et al.08/11/1974NMNHBOTANYunchanged19,011.430
Calothrix parietina06/20/1924NMNHBOTANYunchanged37,325.430
Chondria littoralis Harv.05/01/1949NMNHBOTANYunchanged28,244.430
Amphiroa sp.07/19/1986NMNHBOTANYunchanged14,651.430
Micrasterias sp.03/25/1959NMNHBOTANYunchanged24,629.430
Gayralia oxysperma03/20/1977NMNHBOTANYunchanged18,059.430
Georgiella confluens (Reinsch) Kylin03/25/1970NMNHBOTANYunchanged20,611.430
Osmundea crispa (Hollenb.) K.W. Nam07/04/1974NMNHBOTANYunchanged19,049.430
Chondracanthus corymbiferus (Kütz.) Guiry11/19/1969NMNHBOTANYunchanged20,737.430
Dictyosphaeria cavernosa (Forssk.) Børgesen04/27/1953NMNHBOTANYunchanged26,787.430
Derbesia novae-zelandiaeNMNHBOTANYunchanged0
Ulva sp.07/01/1977NMNHBOTANYunchanged17,956.430
Desmarestia viridis04/16/1961NMNHBOTANYunchanged23,876.430
Silvetia compressa (J. Agardh) E.A. Serrão et al.07/19/1966NMNHBOTANYunchanged21,956.430
Iridaea cordata var. splendens07/02/1966NMNHBOTANYunchanged21,973.430
Chlorodesmis caespitosa02/28/1934NMNHBOTANYunchanged33,785.430
Penicillus lamourouxii Decne.06/22/1966NMNHBOTANYunchanged21,983.430
Ulva acanthophora (Kütz.) H.S. Hayden et al.05/17/1946NMNHBOTANYunchanged29,324.430
Rhodymenia californica Kylin07/07/1929NMNHBOTANYunchanged35,482.430
Hypnea cornuta (Kütz.) J. Agardh06/08/1949NMNHBOTANYunchanged28,206.430
Hydrodictyon reticulatum01/27/1949NMNHBOTANYunchanged28,338.430
Turbinaria tricostata E.S. Barton02/01/1912NMNHBOTANYunchanged41,848.430
Indet. sp.07/18/1938NMNHBOTANYunchanged32,184.430
Aglaothamnion cordatum (Børgesen) Feldm.-Maz.12/20/1949NMNHBOTANYunchanged28,011.430
Caulerpa sertularioides (S.G. Gmel.) M. Howe06/22/1966NMNHBOTANYunchanged21,983.430
Scytonema hofmannii C. Agardh ex Bornet & Flahault08/28/1928NMNHBOTANYunchanged35,795.430
Liagora ceranoides var. leprosa03/25/1959NMNHBOTANYunchanged24,629.430
Padina sp.08/26/1985NMNHBOTANYunchanged14,978.430
Calothrix parietina11/05/1932NMNHBOTANYunchanged34,265.430
Postelsia palmaeformis07/01/1898NMNHBOTANYunchanged46,810.430
Dictyota sp.10/19/1969NMNHBOTANYunchanged20,768.430
Fucus vesiculosus L.06/01/1965NMNHBOTANYunchanged22,369.430