Smithsonian Open Access Explorer

Name: Smithsonian Open Access Explorer
Creator: American Culture Club
License: Open Access items are CC0 where marked; record rights statements remain authoritative.

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: 08/29/2026
Update schedule: 18 12 3 * * UTC
Coverage: 01/01/1190–10/03/2048
Method: Methodology

Record	Record Date	Vuga Group	Change Status	Recency Days
Diastatops pullata	04/11/1994	NMNHENTO	unchanged	11,828.43
Celithemis elisa	07/03/1941	NMNHENTO	unchanged	31,103.43
Celithemis verna	—	NMNHENTO	unchanged	—
Erythemis simplicicollis	08/09/1941	NMNHENTO	unchanged	31,066.43
Leucorrhinia intacta	06/15/1931	NMNHENTO	unchanged	34,774.43
Erythrodiplax berenice	08/27/2005	NMNHENTO	unchanged	7,672.43
Libellula cyanea	07/05/1916	NMNHENTO	unchanged	40,232.43
Libellula cyanea	06/27/1942	NMNHENTO	unchanged	30,744.43
Sympetrum signiferum	10/12/2000	NMNHENTO	unchanged	9,452.43
Plathemis lydia	05/31/1953	NMNHENTO	unchanged	26,753.43
Erythrodiplax paraguayensis	02/18/1976	NMNHENTO	unchanged	18,455.43
Uracis imbuta	04/07/1994	NMNHENTO	unchanged	11,832.43
Tholymis tillarga	02/01/1945	NMNHENTO	unchanged	29,794.43
Miathyria marcella	07/31/1967	NMNHENTO	unchanged	21,579.43
Agriocnemis exsudans	03/11/1945	NMNHENTO	unchanged	29,756.43
Ischnura aurora	02/02/1968	NMNHENTO	unchanged	21,393.43
Ischnura senegalensis	06/24/1929	NMNHENTO	unchanged	35,495.43
Rhinocypha sp.	—	NMNHENTO	unchanged	—
Ischnura aurora	—	NMNHENTO	unchanged	—
Papuagrion occipitale	03/01/1931	NMNHENTO	unchanged	34,880.43
Aeshna interrupta lineata	07/16/1948	NMNHENTO	unchanged	28,533.43
Aeshna canadensis	07/27/1972	NMNHENTO	unchanged	19,756.43
Aeshna multicolor	08/26/1949	NMNHENTO	unchanged	28,127.43
Erythrodiplax minuscula	07/07/1990	NMNHENTO	unchanged	13,202.43
Boyeria vinosa	—	NMNHENTO	unchanged	—
Didymops transversa	06/09/1970	NMNHENTO	unchanged	20,535.43
Epiaeschna heros	08/05/1974	NMNHENTO	unchanged	19,017.43
Cordulegaster obliqua	06/21/1953	NMNHENTO	unchanged	26,732.43
Cordulegaster erronea	07/05/1980	NMNHENTO	unchanged	16,856.43
Cordulegaster maculata	07/26/1907	NMNHENTO	unchanged	43,499.43
Macromia illinoiensis	08/31/1932	NMNHENTO	unchanged	34,331.43
Helocordulia uhleri	—	NMNHENTO	unchanged	—
Somatochlora filosa	08/12/1974	NMNHENTO	unchanged	19,010.43
Epitheca cynosura	06/13/1970	NMNHENTO	unchanged	20,531.43
Gomphus externus	—	NMNHENTO	unchanged	—
Gomphus exilis	04/25/1994	NMNHENTO	unchanged	11,814.43
Gomphus minutus	05/11/1980	NMNHENTO	unchanged	16,911.43
Progomphus obscurus	06/16/1954	NMNHENTO	unchanged	26,372.43
Sapho ciliata	03/01/1896	NMNHENTO	unchanged	47,662.43
Platycypha caligata	09/01/1949	NMNHENTO	unchanged	28,121.43
Agriocnemis zerafica	02/16/1944	NMNHENTO	unchanged	30,145.43
Ceriagrion whellani	04/01/1954	NMNHENTO	unchanged	26,448.43
Ceriagrion glabrum	06/16/1990	NMNHENTO	unchanged	13,223.43
Agriocnemis zerafica	01/28/1945	NMNHENTO	unchanged	29,798.43
Ischnura denticollis	07/19/1963	NMNHENTO	unchanged	23,052.43
Coenagrion hastulatum	07/10/1997	NMNHENTO	unchanged	10,642.43
Ischnura ramburii	06/25/1915	NMNHENTO	unchanged	40,608.43
Euphaea splendens	08/16/1973	NMNHENTO	unchanged	19,371.43
Teinobasis sp.	—	NMNHENTO	unchanged	—
Selysioneura capreola	03/01/1931	NMNHENTO	unchanged	34,880.43