Gymnocalycium riojense subsp. vertongenii HV 1438 - Laguna Brava/La Rioja. Gymnocalycium riojense bodenbenderianum subsp. vertongenii

Gymnocalycium ritterianum. HV 1113 Vallecito / La Rioja Argentina. Very rare

Gymnocalycium saglione (Gymnocalycium saglionis). Gymnocalycium are a globular cacti species from South America. Plants are showly and produce brightly colored flowers and have thick curved spines making this species popular among collectors. It's most common and native habitat is in mostly in Salta, Tucuman, Catamarca, San Juan, and La Rioja − on rocky soil with low vegetation. These seeds were recently collected from the wild near Ulapes / La Rioja Argentina.

Gymnocalycium saglione "tolombon' Salta heavy curved short black spines. HV 1392

Gymnocalycium saglione Hybrids. Several hybrids of the Gymnocalycium saglione, Gymnocalycium saglione v. albispinum, v. australis, v. longispinum, v. minus, v. tilcarense v. tucuman, v. tucumanense

Gymnocalycium saglione v. albispinum. 

Gymnocalycium saglione var. australis - HV 517 -  Ulapes/La Rioja - fast growing

Gymnocalycium saglione var. minus HV 828- Collected 10 km, N. Alemania - Coronel Moldes/Salta, Argentina.

Gymnocalycium saglione v. tilcarense (Syn: Gymnocalycium tilcarense). Collected: Z. Tilcara/Yujuy Argentina

Gymnocalycium saglione v. tucuman. (Gymnocalycium saglionis var.  tucumanense).
Collected San Roque / Salta Argentina.

Gymnocalycium saglione var. tucumanense. Collected: San Roque/Salta, Argentina

Gymnocalycium saglionis HV1392 - Tolombon/Salta, relatively smaller plants - heavy curved short black spines

Gymnocalycium sanguiniflorum STO 135