Skip to content
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
Pikea pinnata Setch. in Collins et al.06/17/1969NMNHBOTANYunchanged20,892.430
Chlorella sp.01/01/1888NMNHBOTANYunchanged50,644.430
Bostrychia radicans f. typica01/16/1949NMNHBOTANYunchanged28,349.430
Eisenia arborea07/02/1965NMNHBOTANYunchanged22,338.430
Rhodymenia palmettoides var. austrogeorgica Skottsb.05/23/1902NMNHBOTANYunchanged45,389.430
Coccotylus truncatusNMNHBOTANYunchanged0
Acrochaetium pacificum12/26/1936NMNHBOTANYunchanged32,753.430
Ulva sp.05/13/1971NMNHBOTANYunchanged20,197.430
Pyropia perforata (J. Agardh) S.C. Lindstrom01/01/1899NMNHBOTANYunchanged46,626.430
Caulerpa antoensisNMNHBOTANYunchanged0
Prasiola marinaNMNHBOTANYunchanged0
Porphyrosiphon notarisii Kütz. ex Gomont05/03/1945NMNHBOTANYunchanged29,703.430
Plocamium cartilagineum (L.) P.S. Dixon07/11/1957NMNHBOTANYunchanged25,251.430
Chara tomentosa08/20/1897NMNHBOTANYunchanged47,125.430
Cladodonta lyallii02/05/1927NMNHBOTANYunchanged36,365.430
Gracilariopsis longissima (S.G. Gmel.) Steentoft et al.01/01/1840NMNHBOTANYunchanged68,176.430
Caulerpa cupressoides (Vahl) C. Agardh01/20/1952NMNHBOTANYunchanged27,250.430
Nemalion multifidum (Lyngb.) Chauvin09/01/1899NMNHBOTANYunchanged46,383.430
Oscillatoria princeps Vaucher08/04/1941NMNHBOTANYunchanged31,071.430
Ceramium rubrum C. Agardh08/06/1954NMNHBOTANYunchanged26,321.430
Padina sp.07/06/1977NMNHBOTANYunchanged17,951.430
Microcoleus vaginatus (Vaucher) Gomont ex Gomont05/22/1931NMNHBOTANYunchanged34,798.430
Ceramium sp.07/02/1963NMNHBOTANYunchanged23,069.430
Titanophycus validus (Harv.) Huisman et al.01/31/1898NMNHBOTANYunchanged46,961.430
Gigartina sp.NMNHBOTANYunchanged0
Wilsonosiphonia howei (Hollenb.) D.E.Bustamante et al.05/25/1949NMNHBOTANYunchanged28,220.430
Indet. sp.10/25/1965NMNHBOTANYunchanged22,223.430
Gracilaria ferox12/06/1974NMNHBOTANYunchanged18,894.430
Hymenocladia chondricola (Sonder) J.A. Lewis03/06/1946NMNHBOTANYunchanged29,396.430
Hydrurus irregularis f. moravicus Milde in Rabenh.NMNHBOTANYunchanged0
Padina arborescens05/06/1985NMNHBOTANYunchanged15,090.430
Nemalion multifidum (Lyngb.) Chauvin08/01/1873NMNHBOTANYunchanged55,910.430
Ulva rigida C. Agardh03/31/1976NMNHBOTANYunchanged18,413.430
Ulva sp.11/23/1978NMNHBOTANYunchanged17,446.430
Dictyota dichotoma (Huds.) J.V.Lamouroux06/21/1964NMNHBOTANYunchanged22,714.430
Prionitis lanceolata12/01/1906NMNHBOTANYunchanged43,736.430
Myriogramme gunniana01/21/1963NMNHBOTANYunchanged23,231.430
Scinaia confusa (Setch.) Huisman05/20/1970NMNHBOTANYunchanged20,555.430
Gracilariopsis longissima (S.G. Gmel.) Steentoft et al.01/22/1949NMNHBOTANYunchanged28,343.430
Microcladia coulteriNMNHBOTANYunchanged0
Hildenbrandia rivularis09/01/1905NMNHBOTANYunchanged44,192.430
Acrosymphyton caribaeum02/17/1968NMNHBOTANYunchanged21,378.430
Laurencia intricata J.V.LamourouxNMNHBOTANYunchanged0
Porphyra perforata06/29/1969NMNHBOTANYunchanged20,880.430
Chrysymenia halymenioidesNMNHBOTANYunchanged0
Coelothrix irregularis (Harv.) BørgesenNMNHBOTANYunchanged0
Gracilaria mammillaris (Mont.) M. Howe in Britton11/13/2014NMNHBOTANYunchanged4,307.430
Udotea cyathiformis Decne.06/24/2011NMNHBOTANYunchanged5,545.430
Udotea verticillosa A. Gepp & E. Gepp03/20/1987NMNHBOTANYunchanged14,407.430
Prunus angustifolia MarshallNMNHBOTANYunchanged0