Frailea horstii F.Ritter species synonym

Frailea gracillima subsp. gracillima subspecies accepted

Frailea buiningiana Prestlé species synonym

Astrophytum pseudogracillimum (F.Ritter) Halda & Malina species synonym

Astrophytum lepidum (Buining & Brederoo) Halda & Malina species synonym

Astrophytum horstii (F.Ritter) Halda & Malina species synonym

Astrophytum gracillimum (Lem.) Halda & Malina species synonym

Astrophytum albifuscum (F.Ritter) Halda & Malina species synonym

Astrophytum alacriportanum (Backeb. & Voll) Halda & Malina species synonym

Echinocactus gracillimus Monv. ex Lem. species synonym

Frailea alacriportana Backeb. & Voll species synonym

Frailea pseudogracillima F.Ritter species synonym

Frailea lepida Buining & Brederoo species synonym

Frailea horstii subsp. nanus Prestlé subspecies synonym

Frailea horstii subsp. fecotrigensis Prestlé subspecies synonym

Frailea horstii subsp. camaquaensis Prestlé subspecies synonym

Frailea gracillima subsp. luteiflora Prestlé subspecies synonym

Frailea gracillima f. lepida (Buining & Brederoo) Hofacker & Berka form synonym

Frailea gracillima subsp. horstii (F.Ritter) P.J.Braun & Esteves subspecies accepted

Frailea gracillima var. fecotrigensis (Prestlé) Berka variety synonym

Frailea gracillima subsp. albifusca (F.Ritter) P.J.Braun & Esteves subspecies synonym

Frailea gracillima subsp. alacriportana (Backeb. & Voll) N.Gerloff subspecies synonym

Frailea buiningiana f. gracilispina Prestlé form synonym

Frailea albifusca F.Ritter species synonym

Frailea alacriportana subsp. longicylindrica Prestlé subspecies synonym

Frailea alacriportana subsp. itapuensis Prestlé subspecies synonym

Frailea alacriportana subsp. feeburgii Prestlé subspecies synonym

Frailea gracillima subsp. machadoi Hofacker, Olsthoorn & R.Pontes subspecies accepted