2008, Uruguay, Rivera
2011, Brazil, Rio Grande do Sul, Santana do Livramento, A&M 812 Show on map
2016, Brazil, Rio Grande do Sul, Alegrete, A&M 1357 Show on map
2016, Brazil, Rio Grande do Sul, Unistalda, A&M 1366 Show on map
Synonyms
Echinocactus pumilus*, Frailea albiareolata, Frailea pumila ssp. albiareolata, Frailea carminifilamentosa, Frailea chrysacanta, Frailea colombiana, Frailea pumila ssp. colombiana, Echinocactus colombianus, Frailea deminuta, Frailea pumila ssp. deminuta, Frailea hlineckyana, Frailea pumila ssp. hlineckyana, Frailea jajoana, Frailea pumila ssp. jajoana, Frailea knippeliana, Frailea pumila var. major, Frailea pumila ssp. major
* Basionym
Distribution
Argentina (Entre Ríos), Brazil (Rio Grande do Sul), Paraguay, Uruguay
Conservation status
Genus
Other species
cataphracta
chiquitana
concepcionensis
fulviseta
gracillima
mammifera
phaeodisca
pumila
pygmaea
schilinzkyana