Thelocactus tulensis subsp. vaskoanus (Halda, Hovorka & Zatloukal) Halda, Kupcák & Malina in Acta Mus. Richnov., Sect. Nat. 9: 45. 2002.

Nomenclatural References

• person : Josef Jakob Halda (b.1943) Based on occurrence of standard abbreviation 'Halda' in the authors string.
• person : L. Hovorka Based on occurrence of standard abbreviation 'Hovorka' in the authors string.
• person : Miroslav Malina Based on occurrence of standard abbreviation 'Malina' in the authors string.
• person : Petr Kupčák Based on occurrence of standard abbreviation 'Kupcák' in the authors string.
• person : Vladislav Zatloukal Based on occurrence of standard abbreviation 'Zatloukal' in the authors string.