14 June 1989.
Turkey
Locality: North facing slope, limestone outcrops and rocky rubble. 11.1km N of Ergani on the Diyarbakir-Elazig road, Diyarbakir Province.
Coordinates: 38.3333, 39.7333
(Map it)
Elevation: 920m.
Collector(s): - Kaiser, Walter J., USDA, ARS
- Kutlu, Z.
- Muehlbauer, Fred J., USDA, ARS
- Sperling, Calvin R., USDA, ARS