Cactus (cacti) genera from Pachycereus to Yungasocereus
Pachycereus
Pachycereus (Pterocereus) gaumerii coll. G. Ardisson
Pachycereus gatesii coll. G. Ardisson
Pachycereus hollianuscoll. Jardin Exotique de Monaco
Pachycereus hollianuscoll. Jardin Exotique de Monaco
Pachycereus hollianuscoll. Jardin Exotique de Monaco
Pachycereus hollianus fma cristatacoll G. Ardisson
Pachycereus marginatuscoll. Jardin Exotique de Monaco
Pachycereus marginatuscoll. Jardin Exotique de Monaco ph. G.Ardisson
Pachycereus marginatus fma cristata coll G. Ardisson
Pachycereus militaris (Backebergia militaris) coll. Jardin Botanique La Havana Cuba
Pachycereus pecten aboriginum coll F. Delrue
Pachycereus pecten aboriginum coll G. Ardisson
Pachycereus pringlei , coll ph G.Ardisson
Pachycereus weberi
Pachycereus schotti flower coll G. Ardisson
Pachycereus schotti monstrosus coll G. Ardisson
Parodia
Parodia alacriportana (Brasilparodia) v brevihamata coll. G. Ardisson
Parodia ayopayanacoll. Jardin Exotique de Monaco
Parodia chrysacanthioncoll G. Ardisson
Parodia erynacea coll G. Ardisson
Parodia fuscato viridis coll G. Ardisson
Parodia gibbulosoides coll G. Ardisson
Parodia laui coll Jardin Exotique de Monaco, ph J.M. Solichon
Parodia maasii coll Jardin Exotique de Monaco, ph J.M. Solichon
Parodia mairanana coll G. Ardisson
Parodia malyana coll Jardin Exotique de Monaco, ph J.M. Solichon
Parodia microsperma coll Jardin Exotique de Monaco, ph J.M. Solichon
Parodia minuta coll Jardin Exotique de Monaco, ph J.M. Solichon
Parodia ocampoi coll G. Ardisson
Parodia ottaviana coll Jardin Exotique de Monaco
Parodia penicilata coll Jardin Exotique de Monaco, ph J.M. Solichon
Parodia ritteri coll G. Ardisson
Parodia rubellihamata coll Jardin Exotique de Monaco
Parodia sanguiniflora coll ph Ph. Richaud
Parodia sanguiniflora fma cristata coll ph Ph. Richaud
Parodia (Wiginsia) sellowii coll G. Ardisson
Parodia sotamayorensis coll Jardin Exotique de Monaco
Parodia uhligiana v robustior. coll Jardin Exotique de Monaco
Parodia sp HU 500 coll G. Ardisson
Parodia sp coll G. Ardisson
Parodia sp2 coll G. Ardisson
Pediocactus
Pediocactus bradyi v knowltonii , ph G. Ardisson
Pediocactus nigrispinus coll Jardin Exotique de Monaco, ph. G. Ardisson
Pediocactus paradinei coll G. Ardisson
Pediocactus peeblesianus coll G. Ardisson
Pediocactus peeblesianus v. coll G. Ardisson
Pediocactus simpsonii. coll G. Ardisson
Pelecyphora
Pelecyphora asseliformis coll G. Ardisson
Pelecyphora strobiliformis coll G. Ardisson
Pelecyphora valdeziana coll Grootsholten, ph G. Ardisson
Pelecyphora valdeziana coll & ph Ph Richaud
 Peniocereus
Peniocereus castellae coll Jardin Exotique de Monaco
Peniocereus guatemalensis coll Jardin Exotique de Monaco, ph J.M. Solichon
Peniocereus serpentinus coll G. Ardisson
Peniocereus chontaloensis coll G. Ardisson
Pereskia
Pereskia aculeata coll Jardin Exotique de Monaco, ph J.M. Solichon
Pereskiopsis bahiensis. Brésil, ph. G. Ardisson
Pereskiopsis bahiensis (flower). Brésil, ph. G. Ardisson
Pereskia cubensis La Havana Botanical garden
Pereskia grandifolia coll Jardin Exotique de Monaco, ph J.M. Solichon
Pereskia grandifolia v. violacea coll G. Ardisson
Pereskia portulacifolia ph A. Vilardebo
Pereskia rotundifolia ph coll Ph. Richaud
Pereskiopsis
Pereskiopsis velutina. coll Jardin Exotique de Monaco, ph J.M. Solichon
Pierrebraunia
Pierrebraunia bahiensis coll G. Delanoy
Pilosocereus
Pilosocereus arrabidae Brésil, Rio de Janeiro, ph. G. Ardisson
Pilosocereus arrabidae (fruit) Brésil, Rio de Janeiro, ph. G. Ardisson
Pilosocereus arrabidae fma variegata Brésil, Rio de Janeiro, ph. G. Ardisson
Pilosocereus aurisetus Brésil, Minas Gerais, ph. G. Ardisson
Pilosocereus aurisetus (fruit) Brésil, Minas Gerais, ph. G. Ardisson
Pilosocereus azureuscoll G. Ardisson
Pilosocereus barquitensiscoll G. Ardisson
Pilosocereus chrysostele coll G. Ardisson
Pilosocereus cyaneus coll Jardin Exotique de Monaco
Pilosocereus glaucecens v multifloruscoll Jardin Exotique de Monaco
Pilosocereus glaucochrous Brésil, Minas Gerais ph. G. Ardisson
Pilosocereus gounellei ssp zenthneri coll G. Ardisson
Pilosocereus gounellei ssp gounellei coll ph G. Ardisson
Pilosocereus gounellei ssp gounellei coll Jardin Exotique de Monaco, ph G. Ardisson
Pilosocereus gounellei ssp gounellei coll ph G. Ardisson
Pilosocereus luetzelburgii Brésil, Minas Gerais, ph. A. Villardebo
Pilosocereus magnificus Brésil, Minas Gerais, ph. G. Ardisson
Pilosocereus magnificus Brésil, Minas Gerais, ph. G. Ardisson
Pilosocereus lehmanianus coll G. Ardisson
Pilosocereus pachycladus coll G. Ardisson
Pilosocereus palmeri
Pilosocereus palmeri (fruits and flowers) coll. P. Richaud
Pilosocereus pentaedrophoruscoll Jardin Exotique de Monaco
Pilosocereus polygonus
Pilosocereus quadricostatus Brésil, Minas Gerais ph. G. Ardisson
Pilosocereus quadricostatus Brésil, Minas Gerais ph. G. Ardisson
Pilosocereus superbus coll Jardin Exotique de Monaco
Pilosocereus nobiliscoll Jardin Exotique de Monaco
Pilosocereus spcoll Jardin Exotique de Monaco
Pilosocereus sp fma cristatacoll Jardin Exotique de Monaco
Pilosocereus sp fma cristatacoll G. Ardisson
Pilosocereus purpusii coll Jardin Exotique de Monaco
Pilosocereus sartorianuscoll Marnier -Lapostolle
Pilosocereus coll Jardin Exotique de Monaco
Pilosocereus ulei Brésil, Rio de Janeiro, ph. G. Ardisson
Pilosocereus ulei (flower) Brésil, Rio de Janeiro, ph. G. Ardisson
Pilosocereus ulei Brésil, Rio de Janeiro, ph. G. Ardisson
Pilosocereus sp HU 1847 coll G. Ardisson
Pilosocereus magnificus sp GA 2062 coll G. Ardisson
Puna
Puna bonnieae coll G. Ardisson
Puna kunzei fma monstrosa coll G. Ardisson
Puna subterranea coll G. Ardisson
Puna subterranea coll ph G. Delanoy
Polaskia
Polaskia chende coll Pecheret
Polaskia chende coll G. Ardisson
Polaskia chichipe coll G. Ardisson
Praecereus (see Monvillea)
Pseudoacanthocereus
Pseudoacanthocereus brasiliensis Minas Gerais ph. G. Ardisson
Pterocactus
Pterocactus australis coll G. Ardisson
Pterocactus skottsbergii coll G. Ardisson
Pterocactus tuberosus coll ph. Ph. Richaud
Pygmaeocereus
Pygmaeocereus akersii coll. G. Ardisson
Pygmaeocereus akersii coll. G. Ardisson
Pygmaeocereus biebli coll Jardin Exotique Monaco, ph. G. Ardisson
Pygmaeocereus biebli coll Jardin Exotique Monaco, ph. G. Ardisson
Pygmaeocereus bylesianus coll G. Ardisson
Pygmaeocereus familiaris coll G. Delanoy, ph. G. Ardisson
Quiabentia
Quiabentia pflanzii coll Jardin Exotique de Monaco, ph J.M. Solichon
Quiabentia verticilla coll G. Ardisson
Rathbunia
Rathbunia sonorensiscoll Jardin Exotique de Monaco
Rathbunia alamosensis coll Jardin Exotique de Monaco
Rauhcereus
Rauhcereus riosanensis coll G. Ardisson Rauhcereus Jardin Exotique de Monaco, ph G. Ardisson
Rebutia
Rebutia escrupula n.n., KK 1921coll. G. Delanoy
Rebutia flavistyla coll Jardin Exotique de Monaco, ph J.M. Solichon
Rebutia glomeriseta coll Jardin Exotique de Monaco, ph J.M. Solichon
Rebutia graciliflora coll A. Laroze
Rebutia heliosacoll G. Ardisson
Rebutia heliosacoll G. Ardisson
Rebutia hoffmannii coll Ph Richaud
Rebutia kariusiana coll Ph Richaud
Rebutia krainziana coll A. Laroze
Rebutia minuscula coll A. Laroze
Rebutia perplexa coll A. Laroze
Rebutia pygmea coll G. Ardisson
Rebutia lateritia KK1519 coll. G. Delanoy
Rebutia spinosissima coll Jardin Exotique
Rebutia krainziana fma cristata coll Triphon ph G. Ardisson
Rhipsalis
Rhipsalis chloroptera coll G. Ardisson
Rhipsalis fasciculata coll Jardin Exotique de Monaco, ph J.M. Solichon
Rhipsalis houlletiana v regnellicoll G. Ardisson
Rhipsalis monacantha coll G. Ardisson
Rhipsalis purpusii coll Jardin Exotique de Monaco, ph J.M. Solichon
Rhipsalis rhombea coll Jardin Exotique de Monaco, ph J.M. Solichon
Rhipsalis sansibarica coll Jardin Exotique de Monaco, ph J.M. Solichon
Rhipsalis trigona coll & ph Ph. Richaud
Rodientophila
Rodientophila atacamensiscoll Jardin Exotique de Monaco
Samaipaticereus
Samaipaticereus (Yungasocereus) inquiseviensis coll G. Ardisson
Samaipaticereus corroanuscoll G. Ardisson
Schlumbergera
Schlumbergera x bridgeportcoll Jardin Exotique de Monaco
Schlumbergera x christmas-flamecoll Jardin Exotique de Monaco
Schlumbergera opuntioides coll G.Ardisson
Schlumbergera truncata ssp kautsky coll G.Ardisson
Schlumbergera truncata coll G.Ardisson
Sclerocactus
Sclerocactus franklinii coll Jardin Exotique Monaco, ph. G. Ardisson
Sclerocactus parviflorus coll . G. Ardisson
Sclerocactus parviflorus var. coll Jardin Exotique Monaco, ph. G. Ardisson
Sclerocactus scheeri coll G. Ardisson
Sclerocactus sileri coll G. Ardisson
Sclerocactus papyracanthus coll G. Ardisson
Sclerocactus uncinatus v crassihamatus coll G. Ardisson
Sclerocactus uncinatus v uncinatus coll G. Ardisson
Selenicereus
Selenicereus anthonyanus coll Jardin Exotique de Monaco
Selenicereus brevispinus coll G. Ardisson
Selenicereus megalanthus Fairchild Tropical Garden ph. G. Ardisson
Selenicereus setaceus Brésil, Rio de Janeiros, ph. G. Ardisson
Selenicereus (Deamia) testudo coll G. Ardisson
Selenicereus chontaloensis coll G. Ardisson
Selenicereus sp coll G. Ardisson
Stephanocereus
Stephanocereus luetzelburgii ph A. Vilardebo
Stephanocereus leucostele coll. & ph. G. Delanoy
Stenocactus
Stenocactus albatus coll G. Ardisson
Stenocactus arrigens coll Jardin Exotique de Monaco, ph J.M. Solichon
Stenocactus coptogonus coll G. Ardisson
Stenocactus crispatus coll G. Ardisson
Stenocactus crispatus fma crist coll J.L. Triphon ph G. Ardisson
Stenocactus dichroacanthus coll Jardin Exotique de Monaco, ph J.M. Solichon
Stenocactus heteracanthus coll G. Ardisson
Stenocactus kellerianus coll G. Ardisson
Stenocactus ochotorenai coll Jardin Exotique de Monaco, ph J.M. Solichon
Stenocactus pentacanthus coll Jardin Exotique de Monaco, ph J.M. Solichon
Stenocactus tetraxiphus coll Jardin Exotique de Monaco, ph J.M. Solichon
Stenocactus sp coll G. Ardisson
Stenocactus sp coll G. Ardisson
Stenocereus
Stenocereus alamosensis ph. G. Ardisson
Stenocereus aragonii coll G. Ardisson
Stenocereus beneckei coll G. Ardisson
Stenocereus (Machaeocereus) eruca coll Jardin Exotique de Monaco
Stenocereus fimbriatus (Ritterocereus hystrix), Cuba, flower ph. G. Ardisson
Stenocereus griseus coll G. Ardisson
Stenocereus (Machaeocereus) gummosus coll G. Ardisson
Stenocereus laevigatus coll Jardin Exotique de Monaco
Stenocereus montanus (flower) coll G. Ardisson
Stenocereus queretaroensis coll Jardin Exotique de Monaco
Stenocereus (Marschallocereus) thurberi coll G. Ardisson
Stenocereus thurbericoll G. Ardisson
Stetsonia
Stetsonia coryne coll G. Ardisson flower
Strombocactus
Strombocactus disciformis coll G. Ardisson
Strombocactus disciformis fma dichotomic coll G. Ardisson
Strombocactus esperanzae (pulcherimus) coll G. Ardisson
Sulcorebutia
Sulcorebutia breviflora coll A. Laroze
Sulcorebutia menesessi coll G. Ardisson
Sulcorebutia frankiana coll P. Richaud
Sulcorebutia mentosa coll G. Ardisson
Sulcorebutia purpurea coll G. Ardisson
Sulcorebutia rauschii coll G. Ardisson
Sulcorebutia rauschii coll G. Ardisson
Sulcorebutia steinbachii coll G. Ardisson
Sulcorebutia tuberculata coll G. Ardisson
Sulcorebutia vasqueziana fma coll Ph Richaud
Sulcorebutia zavaletea coll A. Laroze
Sulcorebutia sp coll G. Ardisson
Sulcorebutia sp coll G. Ardisson
Tacinga
Tacinga braunii coll G. Ardisson
Tacinga estevesii coll G. Ardisson
Tacinga inamonea sp HU 896 coll G. Ardisson
Tacinga palmadora coll Jardin Exotique, Monaco
Tephrocactus
Tephrocactus articulatus v oligogonus coll Jardin Exotique de Monaco, ph J.M. Solichon
Tephrocactus articulatus v papyracanthus coll G. Ardisson
Tephrocactus bruchii coll Groetesholten, ph G. Ardisson
Tephrocactus curvispinus coll ph G. Ardisson
Tephrocactus geometricus coll Groetesholten, ph G. Ardisson
Tephrocactus molinensis coll. G. Ardisson
Tephrocactus rauhii coll. G. Ardisson
Tephrocactus udonis coll. J. Marnier Lapostolle
Tephrocactus sp coll G. Ardisson
Thelocactus
Thelocactus bicolor coll Jardin Exotique de Monaco, ph J.M. Solichon
Thelocactus conothelos coll G. Ardisson
Thelocactus conothelos aurantiacus coll G. Ardisson
Thelocactus conothelos v conothelos coll Jardin Exotique de Monaco, ph J.M. Solichon
Thelocactus hexaedrophorus coll G. Ardisson
Thelocactus lausseri coll ph Ph. Richaud
Thelocactus lophothele coll G. Ardisson
Thelocactus rinconensis coll G. Ardisson
Thelocactus setispinus coll Jardin Exotique de Monaco, ph J.M. Solichon
Thelocactus tulensiscoll G. Ardisson
Thelocactus sp coll G. Ardisson
Trichocereus
Trichocereus bridgesi fma monstrosa
Trichocereus caulescens Jardin Exotique de Monaco
Trichocereus chilensisJardin Exotique de Monaco
Trichocereus camarguensis flower coll. G. Ardisson
Trichocereus (Helianthocereus) gracilis
Trichocereus (Helianthocereus) huascha Jardin Exotique de Monaco
Trichocereus cephalomacrostibas coll Jardin Exotique de Monaco
Trichocereus litoralis coll G. Ardisson
Trichocereus pachanoi (the San Pedro cactus) flower coll G. Ardisson
Trichocereus pachanoi (the San Pedro cactus) fma cristata coll G. Richaud ph G. Ardisson
Trichocereus pasacana coll Jardin Exotique de Monaco
Trichocereus pasacana coll Jardin Exotique de Monaco
Trichocereus (Helianthocereus) poco coll G. Ardisson
Trichocereus (helianthocereus) randalli
Trichocereus taquimbalensis coll G. Ardisson
Trichocereus smrzianus coll G. Ardisson
Trichocereus spachianus coll G. Ardisson
Trichocereus thelegonus coll G. Ardisson
Trichocereus terscheckii coll G. Ardisson
Trichocereus vateri coll Jardin Exotique de Monaco, ph J.M. Solichon
Trichocereus smrzianus coll G. Ardisson
Trichocereus sp coll G. Ardisson
Trichocereus schickendantzii coll G. Ardisson
Trichocereus schickendantzii coll G. Ardisson
Trichocereus sp coll G. Ardisson
Trichocereus sp GA1434 coll G. Ardisson
Turbinicarpus
Turbinicarpus alonsoi coll G. Ardisson
Turbinicarpus bonatzicoll G. Ardisson
Turbinicarpus booleanus coll J. E. Monaco, ph. G. Ardisson
Turbinicarpus gielsdorfianus coll Jardin Exotique de Monaco
Turbinicarpus hoferi coll ph Ph. Richaud
Turbinicarpus horripilus coll G. Ardisson
Turbinicarpus jauernigii coll G. Ardisson
Turbinicarpus klinkerianus coll G. Ardisson
Turbinicarpus klinkerianus v. lilinkeuiduscoll G. Ardisson
Turbinicarpus lauii coll ph Ph. Richaud
Turbinicarpus lophophoroidescoll G. Ardisson
Turbinicarpus polaskii coll. G. Delanoy
Turbinicarpus pseudomacrochelecoll. G. Delanoy
Turbinicarpus rioverdensis coll G. Ardisson
Turbinicarpus schmiedickeanus coll G. Ardisson
Turbinicarpus schmiedickeanus coll & ph Ph. Richaud
Turbinicarpus schmiedickeanus v. flaviflorus coll G. Ardisson
Turbinicarpus schmiedickeanus v. panarottoicoll G. Ardisson
Turbinicarpus schwarzii rubriflora coll ph Ph. Richaud
Turbinicarpus subterraneuscoll G. Ardisson
Turbinicarpus swobodae coll G. Ardisson
Turbinicarpus valdezianus coll G. Ardisson
Turbinicarpus viereckii. coll Jardin Exotique de Monaco, ph J.M. Solichon
Turbinicarpus x monbergeri coll & ph Ph. Richaud
Turbinicarpus ysabelae coll G. Ardisson
Tunilla
Tunilla erectocla coll Jardin Exotique de Monaco, ph J.M. Solichon
Uebelmannia
Uebelmannia flavispina - flower coll G. Ardisson
Uebelmannia gummifera ph G. Ardisson
Uebelmannia gummifera ph G. Ardisson
Uebelmannia meninensis v. rubra coll G. Ardisson
Uebelmannia pectinifera coll Jardin Exotique de Monaco
Uebelmannia pectinifera- flowerscoll G. Ardisson
Uebelmannia pectinifera coll G. Ardisson
Weberocereus
Weberocereus glaber coll G. Ardisson
Weberbauerocereus
Weberbauerocereus albus coll G. Ardisson
Weberbauerocereus cuzcoensis flower coll G. Ardisson
Weberbauerocereus johnsonii coll G. Ardisson
Weberbauerocereus johnsonii flower coll G. Ardisson
Weberbauerocereus winterianuscoll Pecheret flowercoll G. Ardisson
Weberbauerocereus sp
Weingartia
Weingartia ambigua coll G. Ardisson
Weingartia kargliana coll G. Ardisson
Weingartia lanata coll G. Ardisson
Weingartia pilcomayoensis coll Jardin Exotique de Monaco, ph J.M. Solichon
Weingartia pilcomayensiscoll G. Ardisson
Weingartia sp KK 833 coll G. Ardisson
Weingartia neumanniana coll. ph.Ph. Richaud
Weingartia riograndensis coll G. Ardisson
Weingartia sp coll G. Ardisson
Weingartia trollii coll. G. Delanoy
Weingartia trollii coll. ph. Ph. Richaud
Weingartia westii coll. ph.Ph. Richaud
Yavia
Yavia cryptocarpa coll G. Ardisson
Yavia cryptocarpa coll Ph. Richaud
Yungasocereus
Yungasocereus inquisivensis coll G. Ardisson
Yungasocereus microcarpus coll G. Ardisson

Many thanks to J.M. SOLICHON, Director of the "Jardin Exotique de Monaco", who allowed me to take pictures of plants of the botanical collection and who provided me numerous diapositives,

to P. RICHAUD (Le Cannet) , J. ARNEODO (Mougins), G. DELANOY (Levens) , A. LAROZE (Paris) who gave me pictures of their own collections

and L.G. BULOT, P. CORMAN, A. VILARDEBO and A. TORREBRUNO for pictures taken in the wild, respectively in USA Ecuador, Dominican Republic, Galapagos Islands and Mexico (Baja).

Thanks are also due to some people who help me in the identification of previously unlabeled species and particularly : Luc G. BULOT, Pierrre FONTAINE, Pierre GAMBART, Henri KUENTZ, Henri PANCRASI, Georges MARCHAND, Graham CHARLES, Mike HIEBERT, Bob RESSLER, Sean RYAN