172 Fields number on the database for Ralph Peters

All Agave Ariocarpus Bursera Coryphantha Dudleya Echinocactus Echinocereus Echinomastus Escobaria Ferocactus Glandulicactus Mammillaria Opuntia Pediocactus Peniocereus Sclerocactus Thelocactus Toumeya      

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20 - 40 - 80

Species	Field number	Locality	Picture
Sclerocactus havasupaiensis	RP 123	USA : Arizona (Coconino County)
Echinocereus fasciculatus v. fasciculatus	RP 124	USA : Arizona (Coconino County)
Echinocereus x roetteri	RP 125	USA : New Mexico (Otero County)
Sclerocactus wetlandicus	RP 126	USA : Utah (Duchesne County)
Pediocactus sileri	RP 127	USA : Utah (Washington)
Opuntia pulchella	RP 128	USA : Utah (Millard)
Sclerocactus pubispinus / spinosior	RP 129	USA : Utah (Millard)
Sclerocactus pubispinus / spinosior	RP 130	USA : Utah (Millard)
Sclerocactus havasupaiensis	RP 131	USA : Arizona (Supai, Coconino County)
Pediocactus winkleri	RP 132	USA : Utah (Wayne)
Sclerocactus polyancistrus	RP 133	USA : Nevada (Esmerelda)
Sclerocactus parviflorus	RP 134	USA : Utah (Kane)
Sclerocactus parviflorus	RP 135	USA : Utah (San Juan)
Sclerocactus spinosior ssp. blainei	RP 136	USA : Nevada (e Panaca)
Sclerocactus nyensis	RP 137	USA : Nevada (Silver Peak)
Dudleya saxosa	RP 138	USA : California (Inyo)
Echinocactus horizonthalonius	RP 139	USA : New Mexico (Puerto de Luna Guadalupe)
Agave utahensis v. eborispina	RP 140	USA : Nevada (West of Las Vegas Clark)
Echinocereus reichenbachii v. perbellus	RP 141	USA : New Mexico (Pecos River Eddy)
Agave gracilipes	RP 142	USA : New Mexico (South of Alamogordo Otero)
Bursera microphylla	RP 143	USA : Arizona (Tucson Pima)
Pediocactus peeblesianus ssp. fickeisenii	RP 145	USA : Arizona (Wolf Hole)
Echinocereus reichenbachii	RP 146	USA : Colorado (Pueblo Reservoir Pueblo)
Echinocereus reichenbachii	RP 147	USA : Oklahoma (Roger Mills)
Ferocactus viridescens v. littoralis	RP 148	Mexicó : Baja California Norte ()
Ferocactus fordii v. grandiflorus	RP 149	Mexicó : Baja California Sur ()
Escobaria missouriensis v. marstonii	RP 150	USA : Arizona (Mohave)
Echinocereus triglochidiatus v. toroweapensis	RP 151	USA : Arizona (Toroweap Point Mohave)
Echinocactus texensis	RP 152	USA : New Mexico (Roosevelt)
Sclerocactus parviflorus	RP 153	USA : New Mexico (Valencia)
Echinocereus pectinatus v. dasyacanthus	RP 154	USA : New Mexico (South of Carlsbad Eddy)
Echinocereus engelmannii	RP 155	USA : Nevada (North of Las Vegas Clark)
Agave utahensis v. eborispina	RP 156	USA : Nevada (Peek-a-boo Canyon Clark)
Agave utahensis v. eborispina	RP 157	USA : Nevada (North of Las Vegas Clark)
Pediocactus peeblesianus v. fickeiseniae	RP 158	USA : Arizona (A Colorado River overlook Coconino)
Glandulicactus wrightii	RP 159	USA : Texas (West of Terlingua Brewster)
Ariocarpus fissuratus	RP 160	USA : Texas (West of Terlingua Brewster)
Thelocactus bicolor v. bicolor	RP 161	USA : Texas (West of Lajitas Brewster)
Coryphantha macromeris	RP 162	USA : New Mexico (South of Carlsbad Eddy)
Thelocactus bicolor / flavidispinus	RP 163	USA : Texas (BBRSP Presidio)

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