Oroya species, with the exception of Oroya borchersii are all referable to Oroya peruviana (Sch.) B. & R.
Parodia agasta Brandt = Parodia roseoalba Ritt.
P. agregia Wesk nom. prov. = Parodia dichroacantha Brandt & Wesk.
P. amblayoensis Brandt = Parodia microsperma (Web.) Speg.
P. applanata Brandt = Parodia schwebsiana (Werd.) Bkbg.
'P. atroviridis' Bkbg. = Parodia microsperma (Web.) Speg.
P. aurihamata hort. = Parodia aureispina Bkbg.
P. backebergiana Brandt = Parodia otuyensis Ritt.
P. belliata Brandt = Parodia maassii (Heese) Berg.
P. bermejoensis Brandt = Parodia maassii (Heese) Berg.
P. betaniana Ritt' = Parodia microsperma (Web.) Speg.
P. bilbaoensis Card'= Parodia taratensis Card.
'P. blancii' = catalogue name.
P. borealis Ritt. = Parodia miguillensis Card.
P. cainena Brandt = Parodia ocampoi Card.
P. camargensis Ritt. = Parodia maassii (Heese) Berg.
P. camblayana Ritt. n.n. = Parodia maassii (Heese) Berg.
P. candidata Brandt = hort. hybrid.
P. capillitaensis Brandt = Parodia spegazziniana Brandt
P. carapariana Brandt = Parodia formosa Ritt.
P. cardenasii Ritt. = Parodia formosa Ritt.
P. carminata Bkbg. = Parodia microsperma (Web.) Speg.
P. carrerana Card. = status doubtful.
P. castanea Ritt. = Parodia maassii (Heese) Berg.
P. catamarcensis Bkbg. = Parodia microsperma (Web.) Speg.
P. chaetocarpa Ritt. = Parodia formosa Ritt.
P. challamarcana Brandt = Parodia procera Ritt.
P. chirimoyarana Brandt = Parodia formosa Ritt.
P. chlorocarpa Ritt. = Parodia microsperma (Web Speg.
P. cintiensis Ritt. = Parodia maassii (Heese) Berg.
P. comosa Ritt. = Parodia miguillensis Card.
P. compressa Ritt. = Parodia ocampoi Card.'
P. cotacajensis Brandt = Parodia ayopayana Card.
P. cruci-nigricentra (Fric) Sub. = Parodia faustiana Bkbg.
P. culpinensis Brandt = Parodia subterranea Ritt.
'P. durispina' = catalogue name.
P. echinus Ritt. = Parodia miguillensis Card.
'P. ekligiana' = catalogue name. ?Parodia procera.
P. elachista Brandt = Parodia punae Card.
P. elata Brandt = Parodia ayopayana Card.
P. elegans Fechs. n.n. = Parodia microsperma (Web.) Speg.
'P. eriodesa' = Parodia schwebsiana (Werd.) Bkbg.
P. erythrantha (Speg.) Bkbg. = Parodia microsperma (Web.) Speg.
P. escayachensis (Vpl.) Bkbg. = Parodia maassii (Heese) Berg.
P. finnissima Brandt = Parodia otuyensis Ritt.
P. friciana Brandt = Parodia steumeri (Werd.) Bkbg.
P. fulvispina Ritt. = Parodia maassii (Heese) Berg.
P. gibbulosa Ritt. = Parodia gibbulosoides Brandt.
P. gigantea Fric ex Krainz = Parodia steumeri (Werd.) Bkbg.
'P. gigantea v. jujuyana' = Parodia spegazziniana Brandt
P. glischrocarpa Ritt. = Parodia microsperma (Web.) Speg.
P. gokrauseana Heinr. = Parodia steumeri (Werd.) Bkbg.
P. gracilis Ritt. = Parodia ocampoi Card.
P. gummifera Bkbg. & Vol. = Uebelmannia gummifera (Bkbg. & Vol.) Buin.
'P. gutekunstiana' Bkbg. = Parodia steumeri microsperma (Web-.) Speg.
P. haageana Brandt = Parodia maassii (Heese) Berg.
'P. higueritas' = catalogue name.
P. idiosa Brandt = Parodia otuyensis Ritt.
P. ignorata Brandt = Parodia ocampoi Card.
P. jujuyana Fric ex Sub. = status doubtful.
'P. kilianana' Bkbg. = status doubtful. Plants sold as this are usually Parodia faustiana.
P. knizei Brandt = Parodia maassii (Heese) Berg.
P. koehresiana Brandt = hort. hybrid.
P. krasuckana Brandt = Parodia tuberculata Card.
P. lamprospina Brandt = Parodia maassii (Heese) Berg.
'P. lecoriensis' = catalogue name. ?Parodia maassii.
P. legitima Brandt = Parodia columnaris Card.
'P. lixnosa' = catalogue name. Misspelling of next entry?
P. lychnosa Brandt = Parodia ocampoi Card.
P. maassii v. commutans (Ritt.) Don. & Rowley = Parodia commutans Ritt.
P. maassii v. commutans fa. maxima (Ritt.) Don. & Rowley = Parodia maxima Ritt. (see under P. commutans Ritt.)
P. maassii v. subterranea (Ritt.) Krainz = Parodia subterranea Ritt.
P. macednosa Brandt = Parodia miguillensis Card.
P. matthesiana Heinr. = status doubtful.
P. maxima Ritt. see under Parodia commutans Ritt.
P. mazanensis n.n. = Parodia riojensis Ritt. & Wesk.
P. mendezana Brandt = Parodia maassii (Heese) Berg.
P. mesembrina Brandt = 'Parodia fechseri' Bkbg.
P. microthele Bkbg. = Parodia microsperma (Web.) Speg.
P. minima Brandt = Parodia schwebsiana (Werd.) Bkbg.
P. minima Rausch = Parodia minuscula Rausch.
P. miranda Brandt = hort. hybrid.
P. muhrii Brandt = Parodia aureicentra Bkbg.
'P. multispina' = catalogue name.
P. mutabilis Bkbg. = Parodia aureispina Bkbg.
P. neglecta Brandt = Parodia comarapana Card.
P. neglectoides Brandt = Parodia comarapana Card.
P. nigresca Brandt = Parodia subterranea Ritt.
P. obtusa Ritt. = Parodia commutans Ritt.
P. otaviana Card. = Parodia maassii (Heese) Berg.
P. pachysa Brandt = Parodia formosa Ritt.
P. papagayana Brandt = Parodia microsperma (Web.) Speg.
P. paraguayensis Speg. = status doubtful.
P. parvula Brandt = Parodia formosa Ritt.
P. perplexa Brandt = Parodia maassii (Heese) Berg.
'P. peruviana' = status doubtful.
P. piltziorum Wesk. = Parodia horrida Brandt.
'P. potosina' = catalogue name. ?Parodia maassii.
P. pseudoayopayana Card. = Parodia ayopayana Card.
P. pseudoprocera Brandt = Parodia procera Ritt.
'P. pseudosteumeri' Bkbg. = Parodia steumeri (Werd.) Bkbg.
P. pseudosubterranea Brandt = hort. hybrid.
P. purpureo-aurea Ritt. = Parodia formosa Ritt.
P. pusilla Brandt = Parodia formosa Ritt.
P. quechua Brandt = Parodia otuyensis Ritt.
'P. rauschii' Bkbg. = Parodia aureicentra Bkbg.
'P. rigida' Bkbg. = Parodia dichroacantha Brandt.
P. rigidispina Krainz = Parodia steumeri (Werd.) Bkbg.
P. riograndensis Brandt = hort. hybrid.
P. ritteri Buin. = Parodia maassii (Heese) Berg.
Porfiria schwartzii (Fric) Boed. = Mammillaria coahuilensis (Boed.) Moran.
Pseudolobivia ancistrophora (Speg.) Bkbg. = Echinopsis ancistrophora Speg.
P. aurea (B. & R.) Bkbg. = Lobivia aurea B. & R.
P. boyuibensis (Ritt.) Bkbg. = Echinopsis boyuibensis Ritt.
P. callichroma (Card.) Bkbg. = Echinopsis obrepanda (S-D) Sch.
P. calorubra (Card.) Bkbg. = Echinopsis obrepanda v. calorubra (Card.) Rausch.
P. carmineoflora Hoffm. & Bkbg. = Echinopsis obrepanda (S-D) Sch.
P. ferox (E. & R.) Bkbg. = Lobivia ferox B. & R.
P. fiebrigii (Guerke) Bkbg. = Echinopsis obrepanda (S-D) Sch.
P. frankii Bosz. = Echinopsis obrepanda (S-D) Sch.
P. hamatacantha (Bkbg.) Bkbg. = Echinopsis ancistrophora Speg.
P. kermesina Krainz = Echinopsis mamillosa v. kermesina (Krainz) Friedm.
P. kratochviliana (Bkbg.) Bkbg. = Echinopsis ancistrophora Speg.
P. lecoriensis (Card.) Bkbg. = Lobivia ferox B. & R.
P. leucorhodantha (Bkbg.) Bkbg. = Echinopsis ancistrophora Speg.
P. longispina (B. & R.) Bkbg. = Lobivia ferox v. longispina (B. & IR.) Rausch.
P. luteiflora Bkbg. = Lobivia aurea (B. & R.) Bkbg.
P. obrepanda (S-D) Bkbg. = Echinopsis obrepanda (S-D) Sch.
P. orozasana (Ritt.) Bkbg. = Echinopsis mamillosa Guerke.
P. pelecyrhachis (Bkbg.) Bkbg. = Echinopsis ancistrophora Speg.
P. polyancistra (Bkbg.) Bkbg. = Echinopsis ancistrophora Speg.
P. potosina (Werd.) Bkbg. = Lobivia ferox B. & R.
P. rojasii (Card.) Bkbg. = Echinopsis obrepanda (S-D) Sch.
P. toralapana (Card.) Bkbg. = Echinopsis obrepanda (S-D) Sch.
P. torrecillasensis (Card.) Bkbg. = Lobivia arachnacantha v. torrecillasensis (Card.) Bkbg.
P. wilkeae Bkbg. = Lobivia ferox v. longispina (B. & R.) Rausch.
Pyrrhocactus aconcaguensis Ritt. = Neoporteria horrida (Remy ex Gay) D. Hunt.
P. aspillagai (Soehr.) Ritt. = Neoporteria aspillagai (Soehr.) Bkbg.
P. aricensis Ritt. = Neoporteria iquiquensis (Ritt.) Don. & Rowley.
P. armatus Ritt. = Neoporteria horrida (Remy ex Gay) D. Hunt.
P. atroviridis Ritt. = Neoporteria atroviridis (Ritt.) R.M. Ferryman.
P. calderanus Ritt. = Neoporteria calderana (Ritt.) Don. & Rowley.
P. carrizalensis Ritt. = Neoporteria totoralensis v. carrizalensis (Ritt.) R.M. Ferryman.
P. chaniarensis Ritt. = Neoporteria heinrichiana (Bkbg.) R.M. Ferryman.
P. chilensis (Hildm.) Ritt. = Neoporteria chilensis (Hildm.) Don. & Rowley.
P. choapensis Ritt. = Neoporteria horrida (Remy ex Gray) D. Hunt.
P. chorosensis Ritt. = Neoporteria chorosensis (Ritt.) Don. & Rowley.
P. coliguayensis Ritt. = Neoporteria curvispina (Bert.) Don. & Rowley.
P. confinis Ritt. = Neoporteria confinis (Ritt.) Don. & Rowley.
P. crispus Ritt. = Neoporteria crispa (Ritt.) Don. & Rowley.
P. curvispinus (Bert.) Berg. = Neoporteria curvispina (Bert.) Don. & Rowley.
P. dimorphus Ritt. = Neoporteria jussieui v. dimorpha (Ritt.) Hoffman.
P. echinus Ritt. = Neoporteria echinus (Ritt.) R.M. Ferryman.
P. engleri (Ritt.) Ritt. = Neoporteria engleri (Ritt.) Don. & Rowley.
P. eriosyzoides (Ritt.) Ritt. = Neoporteria eriosyzoides (Ritt.) Don. & Rowley.
P. eriosyzoides v. domeykoensis Ritt. = Neoporteria eriosyzoides v. domeykoensis (Ritt.) R.M. Ferryman.
P. floccosus Ritt. = Neoporteria echinus v. floccosa (Ritt.) R.M. Ferryman.
P. floribundus (Bkbg.) Ritt. = Neoporteria iquiquensis (Ritt.) Don. & Rowley.
P. glaucescens Ritt. = Neoporteria echinus (Ritt.) R.M. Ferryman.
P. glacilis Ritt. = Neoporteria calderana (Ritt.) Don. & Rowley.
P. grandiflorus Ritt. = Neoporteria curvispina v. grandiflora (Ritt.) Don. & Rowley.
P. heinrichianus (Bkbg.) Ritt. = Neoporteria heinrichiana (Bkbg.) R.M. Ferryman.
P. horridus (Remy ex Gay) Bkbg. = Neoporteria horrida (Remy ex Gay) D. Hunt.
P. huascensis Ritt. = Neoporteria huascensis (Ritt.) Don. & Rowley.
P. intermedius Ritt. = Neoporteria calderana (Ritt.) Don. & Rowley.
P. jussieui (Monv.) Ritt. = Neoporteria jussieui (Monv.) B. & R.
P. kunzei (Foerst.) Ito = Neoporteria kunzei (Foerst.) Bkbg.
P. limariensis Ritt. = Neoporteria limariensis (Ritt.) R.M. Ferryman.
P. marksianus & v. tunensis Ritt. = Neoporteria marksiana (Ritt.) Don. & Rowley.
P. neohankeanus Ritt. = Neoporteria neohankeana (Ritt.) R.M. Ferryman.
P. occultus (Sch.) Ritt. = Neoporteria occulta (Sch.) B. & R.
P. odoriflorus Ritt. = Neoporteria horrida (Remy ex Gay) D. Hunt.
P. pamaensis Ritt. = Neoporteria limariensis (Ritt.) R.M. Ferryman.
P. paucicostatus & v. viridis (Ritt.) Ritt. = Neoporteria paucicostata (Ritt.) Don. & Rowley.
P. pilispinus Ritt. = Neoporteria calderana (Ritt.) Don. & Rowley.
P. pulchellus Ritt. = Neoporteria pulchella (Ritt.) R.M. Ferryman.
P. pygmaeus Ritt. = Neoporteria calderana (Ritt.) Don. & Rowley.
P. reconditus Ritt. = Neoporteria recondita (Ritt.) Don. & Rowley.
P. residuus Ritt. = Neoporteria recondita (Ritt.) Don. & Rowley.
P. robustus & v. vegasanus Ritt. = Neoporteria horrida (Remy ex Gay) D. Hunt.
P. rupicolus Ritt. = Neoporteria taltalensis Hutch.
P. saxifragus Ritt. = Neoporteria iquiquensis (Ritt.) Don. & Rowley.
P. scoparius Ritt. = Neoporteria calderana (Ritt.) Don. & Rowley.
P. setosiflorus & v. intermedius Ritt. = Neoporteria setosiflora (Ritt.) Don. & Rowley.
P. simulans Ritt. = Neoporteria simulans (Ritt.) Don. & Rowley.
P. subaianus Bkbg. = Neoporteria garaventai (Ritt.) R.M. Ferryman.
P. taltalensis (Hutch.) Ritt. = Neoporteria taltalensis Hutch.
P. tenuis Ritt. = Neoporteria taltalensis Hutch.
P. totoralensis Ritt. = Neoporteria totoralensis (Ritt.) Don. & Rowley.
P. transiens Ritt. = Neoporteria transiens (Ritt.) R.M. Ferryman.
P. transitensis Ritt. = Neoporteria transitensis (Ritt.) R.M. Ferryman.
P. trapichensis Ritt. = Neoporteria chorosensis (Ritt.) Don. & Rowley.
P. truncatipetalus Ritt. = Neoporteria marksiana (Ritt.) Don. & Rowley.
P. tuberisulcatus (Jac.) Berg. = Neoporteria horrida (Remy ex Gay) D. Hunt.
P. vallenarensis Ritt. = Neoporteria vallenarensis (Ritt.) Hoffmann.
P. vexatus Ritt. = Neoporteria recondita v. vexata (Ritt.) Hoffmann.
P. wagenknechtii Ritt. = Neoporteria jussieui v. wagenknechtii (Ritt.) Hoffmann.

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