Frailea gracillima var. fecotrigensis (Prestlé) Berka in Kaktusy (Brno) 40(Spec. 1): 15. 2004
Frailea gracillima var. fecotrigensis in Kaktusy (Brno) 40(Spec. 1): 15. 2004
is new combination for Frailea horstii subsp. fecotrigensis, Gattung Frailea: 131. 1997