Table 1. Notable early specimens of Oxalis corniculata and O. stricta.
| Taxon | Collector name | Collector number | Date | Country | Catalogue number & HTTP URI | Notes |
|---|---|---|---|---|---|---|
| Oxalis stricta | C.E.Broome | s.n. | 1836 | Belgium | http://data.rbge.org.uk/herb/E00874849 | An example of a European specimen collected before O. europaea, was described. |
| Oxalis stricta | s.c. | s.n. | 1835 | Germany | http://data.rbge.org.uk/herb/E00874850 | An example of a European specimen collected before O. europaea, was described. |
| Oxalis corniculata | Joachim Burser | s.n. | 1600 | Italy | UPS:BOT:V-175221 http://www.gbif.org/occurrence/328193149/verbatim |
An early specimen from Europe. |
| Oxalis corniculata | Ulisse Aldrovandi | s.n. | 1551–1600 | Italy | Volume 8, page 134 | An early specimen from Europe. |
| Oxalis corniculata | Carl Peter Thunberg | 11118 | 1772–1775 | South Africa | UPS:BOT:V-086842 | The earliest specimen from sub-Saharan Africa (Lectotype of O. repens Thunb.) |
| Oxalis corniculata | Christian Friedrich Ecklon & Carl L.P. Zeyher | s.n. | 1830 | South Africa | PRE0453493-0 https://www.gbif.org/occurrence/462122048 | An early specimen from South Africa. |
| Oxalis corniculata(as O. procumbens) | Wilhelm Schimper | 1165 | 1838-02-05 | Ethiopia | TUB-001752 http://id.snsb.info/snsb/collection/20919/29698/20739 | An early specimen from East Africa. |
| Oxalis corniculata | Wilhelm Schimper | s.n. | 1837-06 | Ethiopia | TUB-001748 http://id.snsb.info/snsb/collection/112371/171149/113437 | An early specimen from East Africa. |
| Oxalis corniculata | Carlo L.G. Bertero | 494 | 1827–1830 | Chili | MO-1063304 | An early specimen from South America. |
| Oxalis corniculata | Prince Maximilian of Wied-Neuwied | s.n. | 1815–12 | Brazil | M-0153326 | An early specimen from South America, São Bento Monastery, Brazil. |
| Oxalis corniculata | George Gardner | 345 | 1837–08 | Brazil | MO-1063334 | An early specimen from South America. Cultivated. |
| Oxalis corniculata | Pehr Osbeck | s.n. | 1751 | China | SBT:H:2.4.9.67 | An early specimen from China. |
Notes:
Cited and early specimens of Oxalis section Corniculatae from Europe, Africa, South America and China. N.B. O. europaea, which was described from European specimens, is considered a synonym of O. stricta, which was described from North American material.