72 X Cephalocereus (Pfeiffer 1838) on the database All L - Alfred Bernhard Lau LAU - Alfred Bernhard Lau Z - Carlo Zanovello GL&F - Charles (Charlie) Edward Glass, Robert Alan (Bob) Foster (also see notes) CS - Chris Sherrah SH - Dennis Sargant (plants collected by Alfred Bernhard Lau) FO - Felipe Otero GC - Graham Charles GM - Grzegorz Matuszewski ISI - International Succulent Introductions (previously International Succulent Institute) CH - Jaromír Chvastek BKM - Josef Barcák, Miroslav Kupcák BKLM - Josef Barcák, Miroslav Kupcák, Bedrich Lichý KS - Karel Slajs PH - Paul Hoxey PHA - Pavel Heřtus PA - Petr Antálek KJN - Petr Kupcak RS - Roman Staník MACD - Thomas Baillie MacDougall (The "D.T." sometimes seen refers to the honorary title Don Tomas.) REP - Werner Reppenhagen REPP - Werner Reppenhagen 2 / 2 20 - 40 - 80 Species Field number Locality Picture Cephalocereus senilis GM 1546.6Mexicó : Hidalgo (Ixtacapa, 1130 m) Cephalocereus sp. ISI 472Mexicó : Oaxaca (1.5 miles North of Totolapan, Oaxaca, 3900ft) Cephalocereus colombianus ISI 473Quebrada de la Chapa, Dagua Valley, Valle, Colombia 600m Cephalocereus sp. ISI 7725.4km from Susac, Boyaca, Colombia Cephalocereus dybowskii ISI 931Brazil : Cephalocereus royenii ISI 932Puerto Rico : (1.9 miles North of San Isobel) Cephalocereus pentaedrophorus ISI 991Pernambuco, Brazil Cephalocereus sp. KJN 220Teliuatzingo, Puebla, Mexicó Cephalocereus senilis LAU 1014Mexicó : Hidalgo (Metztitlan 1300m) Cephalocereus hoppenstedtii LAU 1040Mexicó : Puebla (Zapotitlan 1700m) Cephalocereus scoparius MACD A163Laguna, rocky hill, Oaxaca, Mexicó Cephalocereus sp. MACD A167Cintalapa, Chiapas, Mexicó Cephalocereus sp. MACD A217Agua Zarca to Ixcuintepec, Above Arroyo de Chile, rocky area, Oaxaca, Mexicó Cephalocereus sp. MACD A219Puerto Angel around, Oaxaca, Mexicó Cephalocereus columna-trajani PH 135A.01Between San Antonio and Zapotitlán de Salinas, Puebla, Mexicó 1580m Cephalocereus columna-trajani PH 135.01San José Tilapa, Puebla, Mexicó 950m Cephalocereus senilis PH 138.01Coyometecos, near Metztitlán, Hidalgo, Mexicó 1140m Cephalocereus senilis PH 139.07Metztitlán, Hidalgo, Mexicó 1300m Cephalocereus senilis PH 141.01Near Metztitlán, Hidalgo, Mexicó 1320m Cephalocereus senilis PH 145A.01Descent to Tolantongo, Hidalgo, Mexicó 1840m Cephalocereus senilis PH 146.01Grutas de Tolantongo, Hidalgo, Mexicó 1330m Cephalocereus columna-trajani PH 421.01Between San Antonio and Zapotitlán de Salinas, Puebla, Mexicó 1640m Cephalocereus nobilis PHA 1390Antigua : (West coast) Cephalocereus senilis SH 1014Mexicó : Hidalgo (Metztitlan 1300m) Cephalocereus hoppenstedtii SH 1040Mexicó : Puebla (Zapotitlan 1700m) Cephalocereus senilis BKLM 1098Mexicó : Hidalgo (Barranca del Tolantongo , Hidalgo) Cephalocereus senilis f.BKM 959Mexicó : Hidalgo (Tolantongo) Cephalocereus sp. KS 921Mexicó : Michoacan (El Faro) Cephalocereus senilis PA 0010Mexicó : Hidalgo (MEX 105, 3 km před Milpillas, 1375 m)Cephalocereus senilis PA 1081Mexicó : Hidalgo (Barranca de Tolantongo, 1314 m)Cephalocereus columna-trajani CS 60.7Mexicó : Puebla (Tehuacan valley 3, 1127 m) Cephalocereus senilis CS 64.13Mexicó : Hidalgo (Hidalgo, Metztitlan Valley, 1353 m) 2 / 2