Region: San Juan - Observed species
Adesmia aconcaguensis Burkart
Adesmia aegiceras Phil.
Adesmia digitata Burkart
Adesmia echinus C.Presl
Adesmia glomerula Clos
Adesmia horrida Hook. & Arn.
Adesmia subterranea Clos
Anarthrophyllum gayanum (A.Gray) B.D.Jacks.
Azorella madreporica Clos
Azorella trifoliolata Clos
Azorella trifurcata (Gaertn.) Pers.
Calandrinia caespitosa Gillies ex Arn.
Calceolaria pinifolia Cav.
Colobanthus lycopodoides Griseb.
Colobanthus quitensis (Kunth) Bartl.
Colobanthus subulatus (d'Urv.) Hook.f.
Draba gilliesii Hook. & Arn.
Eudema hauthalii Gilg & Muschl.
Eudema werdermannii O.E.Schulz
Junellia aretioides (R.E.Fr.) Moldenke
Junellia caespitosa (Gillies & Hook.) Moldenke
Junellia erinacea (Gillies & Hook.) Moldenke
Junellia minima (Meyen) Moldenke
Junellia uniflora (Phil.) Moldenke
Maihueniopsis bolivianum (Salm-Dyck) R. Kiesling
Maihueniopsis glomerata (Haw.) R. Kiesling
Mulinum echinus DC.
Mulinum spinosum Pers.
Nototriche compacta A.W. Hill
Nototriche philippii A.W. Hill
Nototriche rugosa (Phil.) A.W. Hill
Oxalis compacta Gillies ex Hook. & Arn.
Oxalis erythrorrhiza Gillies ex Hook. & Arn.
Oxalis hypsophila Phil.
Oxalis muscoides Phil.
Oxychloe andina Phil.
Oxychloe bisexualis Kuntze
Oxychloe castellanosii Barros
Oxychloe haumaniana (Barros) Barros
Patosia clandestina (Phil.) Buchenau
Plantago barbata G.Forst.
Plantago uniglumis Wallr. ex Walp.
Senecio subdiscoideus Sch.Bip. ex Wedd.
Valeriana corynodes Borsini
Werneria pygmaea Gillies ex Hook. & Arn.
Zameioscirpus gaimardioides (É.Desv.) Dhooge & Goetgh.