Diodia virginiana (USA)

Diodia virginiana L., Sp. Pl. 104 1753. (Syn: Diodia harperi Small; Diodia hirsuta Pursh; Diodia hispida Muhl. ex DC.; Diodia oblonga Raf.; Diodia tetragona Walter; Diodia virginiana var. attenuata Fernald; Diodia virginiana f. hirsuta (Pursh) Fernald; Diodia virginiana var. hirsuta (Pursh) Torr. & A.Gray; Diodia virginiana var. latifolia Torr. & A.Gray; Diodia virginiana var. virginiana ; Diodia virginiana f. virginiana ; Spermacoce virginiana (L.) A.Rich.);

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C. & E. U.S.A. to NE. Mexico, Cuba as per WCSP ;

Alabama; Arkansas; Costa Rica; Cuba; Florida; Illinois; Japan; Korea; Louisiana; Mexico Northeast; Mexico Southeast; Missouri; New Jersey; Nicaragua; North Carolina; Ohio; Oklahoma; South Carolina; Taiwan; Tennessee; Texas; Virginia as per Catalogue of Life;

Herb for ID : Atlanta, Georgia : 15JAN19 : AK-25 : 10 posts by 4 authors. Attachments (2)
Herb seen growing wild in the grass in Atlanta during visit in Oct,18.

Please look at Mitchella repens aka Partridgeberry which is native to Georgia, USA.

yes

To me leaves look a bit different from images of Mitchella repens at

https://vnps.org/wildflowers-of-the-year/2012-partridge-berry-mitchella-repens/
https://plants.usda.gov/core/profile?symbol=MIRE

http://www.missouribotanicalgarden.PlantFinder=b345
Can it be other closely related species ?

and the flowers are very different too
https://vnps.org/partridgeberrybuds_r-stromberg_300dpi.jpg
this is from virginnia plant soc\ they not only have photos but also on the same page bw line drawing showing the flower details. not m.repens

Yes, I see, thank you. Let’s try looking at Diodia virginiana.
https://plants.usda.gov/java/divi3_002_ahp.tif

Thanks, … I agree with your id of Diodia virginiana as per

https://gobotany.newenglandwild.org/species/diodia/virginiana/

https://www.invasiveplantatlas.org/subject.html?sub=5554
https://plants.usda.gov/core/profile?symbol=divi3#
https://en.wikipedia.org/wiki/Diodia_virginiana

Thanks for identifying this tiny herb.

References:
Catalogue of Life The Plant List Ver.1.1 WCSP IPNI

https://gobotany.newenglandwild.org/species/diodia/virginiana/

https://www.invasiveplantatlas.org/subject.html?sub=5554

https://plants.usda.gov/core/profile?symbol=divi3#
https://en.wikipedia.org/wiki/Diodia_virginiana