CACTUS OF THE MONTH YEAR MONTHS PAGE TITLE AUTHOR 1964 Jun 80 Acanthocereus pentagonus R.W. Muckleroy 1971 May 54 Acanthocereus pentagonus Roy Hoke 1995 Jul/Aug 6 Acanthocereus pentagonus Dick McEuen 1988 Sep/Oct 51 Acanthorhipsalis paraganiensis Flo Butler 1970 Aug 94 Ancistrocactus scheeri Ralph Artis 1976 Jun 66 Ancistrocactus scheeri Evelyn Crisp 2003 Jan/Feb 10 Aporocactus flagelliformis Mario Rizo 1980 Jul/Aug 68 Aporocactus species Marjorie Parmely 1989 Sep/Oct 8 Aporocactus species Richard Rein 1999 May/Jun 6 Ariocarpus Mike Navolio 2013 Sep/Oct 9 Ariocarpus bravoanus ssp. hintonii Richard Stamper 1967 May 36 Ariocarpus fissuratus Joe Montgomery 2008 Jan/Feb 6 Ariocarpus fissuratus L. Rodriguez-Cracraft 2012 Sep/Oct 7 Ariocarpus fissuratus Fred Haase 2010 Sep/Oct 10 Ariocarpus fissuratus var. lloydii Richard Stamper 1969 Aug 78 Ariocarpus kotschoubeyanus Glenn Spraker 1986 Sep/Oct 64 Ariocarpus kotschoubeyanus Criss Ivy 2001 Jan/Feb 6 Ariocarpus kotschoubeyanus David Thomas 2007 Mar/Apr 7 Ariocarpus retusus Fred Haase 2016 Nov/Dec 10 Ariocarpus retusus Liliana Cracraft 1991 Mar/Apr 10 Ariocarpus retusus, tribonus Bob Boyles 1975 Feb 18 Ariocarpus scapharostrus Roy Paramore 1996 Jul/Aug 8 Ariocarpus scapharostrus Leroy Kellogg 1970 Nov/Dec 130 Ariocarpus species J.C. Wilson 1972 Apr 42 Ariocarpus species Ben Wyly 1973 Oct 114 Ariocarpus species Joe Cappleman 1976 Sep 102 Ariocarpus species Roy Paramore 1986 Mar/Apr 18 Ariocarpus species Marjorie Parmely 1996 Sep/Oct 6 Ariocarpus species Craig Hamilton 1987 Sep/Oct 62 Ariocarpus trigoni elongata Joseph Layne 1969 Sep 88 Ariocarpus trigonus Albert Rubin 1970 Jan 6 Astrophytum asteria Roy Hoke 1964 Oct 113 Astrophytum asterias Lois Kirkpatrick 1988 Jan/Feb 5 Astrophytum asterias Pauline Miertschin 2011 Jan/Feb 12 Astrophytum asterias x coahuilense Liliana Rodriguez Cracraft 1968 Aug 64 Astrophytum capricorne R.H. Gregg 1973 Sep 102 Astrophytum capricorne Ben Wyly 1982 Jan/Feb 10 Astrophytum capricorne Mary Jo Gussett 1990 Mar/Apr 5 Astrophytum capricorne Roy Paramore 2000 Nov/Dec 6 Astrophytum capricorne Genevieve Friend 1969 May 42 Astrophytum myriostigma Bettie Muckleroy 1973 Jan 6 Astrophytum myriostigma Lewis Brittain 1985 Mar/Apr 20 Astrophytum myriostigma John Gussett 1991 Nov/Dec 10 Astrophytum myriostigma Irma Lincoln 2007 Jan/Feb 10 Astrophytum myriostigma L. Rodriguez-Cracraft 2009 May/Jun 4 Astrophytum myriostigma David Thomas 2014 Sep/Oct 5 Astrophytum myriostigma Richard Holland 2019 Jan/Feb 3 Astrophytum myrostigma Richard Holland 2004 Nov/Dec 10 Astrophytum ornatum Mario Rizo 2009 Jul/Aug 7 Astrophytum stigmatodactylus caput-medusae Jeff Boggan 1983 Sep/Oct 70 Austrocephalocereus genus Roy Paramore 1998 Nov/Dec 6 Austrocephalocereus genus Kathy Fewox 1974 Jun 68 Aztekium ritteri Frank Schlicht 1984 Jan/Feb 6 Aztekium ritteri Ben Muller 1995 Jul/Aug 9 Aztekium ritteri Tony Beekenkamp 2016 Jul/Aug 6 Aztekium ritterii Jeff Boggan 1992 Sep/Oct 10 Borzicactus samaipatanus Kathy Fewox 1983 Mar/Apr 22 Borzicactus species Bert Evans !1 CACTUS OF THE MONTH YEAR MONTHS PAGE TITLE AUTHOR 1983 Mar/Apr 24 Buiningia aurea Charles Kirkpatrick 1967 Aug 60 Carnegia gigantea Danny Horowitz 1982 Jan/Feb 8 Carnegia gigantea Bert Evans 1994 Sep/Oct 4 Carnegia gigantea Genevieve Friend 1974 Feb 18 Cephalocereus hoppenstedtii Bert Evans 1989 Jan/Feb 4 Cephalocereus polylopha John Gussett 1964 Nov/Dec 126 Cephalocereus senilis A.F. Hillsman 1970 Feb 20 Cephalocereus senilis Joe Cappleman 1991 Sep/Oct 5 Cephalocereus senilis Lana Sands 1994 Nov/Dec 6 Cephalocereus senilis Kathy Fewox 2009 Mar/Apr 11 Cephalocereus senilis Ann Russ 1971 Jun 66 Cephalocereus species John Liles 1983 Jan/Feb 8 Cephalocereus species Rowena Meadows 1967 Jan 4 Cereus azureus Bert Evans 2004 May/Jun 9 Cereus forbesii Josie Watts 2019 Nov/Dec 3 Cereus forbesii July Olson 1990 Mar/Apr 3 Cereus lophocereus schottii 'monstrosus' Norris Miertschin 1965 Nov/Dec 92 Cereus peruvianus Lawrence Weisser 1979 Jul/Aug 56 Cereus peruvianus Carole Syrjamaki 2005 Mar/Apr 10 Cereus peruvianus Will Crump 2016 Jul/Aug 4 Cereus peruvianus Bruce Moffett 1991 Jul/Aug 9 Cereus peruvianus c.p. Monstrosus Genevieve Friend 2013 May/Jun 11 Cereus peruvianus monstrose Ronald Chadick 1974 Apr 42 Cereus peruvianus monstrosus Terry Kanon 1988 May/Jun 26 Cereus tetragonus Don Inman 1985 Sep/Oct 61 Cereus venezuelensis Evelyn Crisp 1965 Jul 56 Chamacereus silvestrii Pete Hillsman 1980 Mar/Apr 28 Chamacereus silvestrii Norris Miertschin 1992 Sep/Oct 8 Chimaera: Hylocalycium David Thomas 2011 Mar/Apr 6 Cintia knizei Jeff Boggan 1975 Apr 42 Cleistocactus species Norris Miertschin 1991 Jan/Feb 8 Cleistocactus strausii Ken Kracht 2012 Nov/Dec 11 Cleistocactus strausii Cindy Gray 2019 Sept/Oct 7 Cleistocactus strausii Paul Stricklin 1984 Jul/Aug 52 Cochemiea poselgeri Mary Jo Gussett 1990 Sep/Oct 8 Cochemiea poselgeri David Thomas 2011 Jan/Feb 8 Coleocephalocereus aureus Phyllis McEuen 2005 Jul/Aug 7 Consolea Bobby Crabb 2017 May/Jun 3 Consolea corallicola Wally Ward 2005 Jan/Feb 8 Copiapoa cinerea Phyllis McEuen 2006 Jan/Feb 8 Copiapoa hypogaea var. laui Phyllis McEuen 1978 Mar/Apr 30 Copiapoa species Joy Arterburn 1981 Nov/Dec 84 Copiapoa species Ken Gardner 1989 Mar/Apr 7 Copiapoa tenuissima Flo Butler 2019 Jan/Feb 5 Copiapoa tenuissima Jeff Boggan 2020 July/Aug 6 Copiapoa tenuissima Chaden Yafi 1979 Jan/Feb 8 Coryphantha Richard May 2013 Nov/Dec 9 Coryphantha elephantidens Phyllis McEuen 1991 Jul/Aug 7 Coryphantha minima Leroy Kellogg 1995 Jul/Aug 8 Coryphantha missouriensis Dick McEuen 2006 May/Jun 5 Coryphantha robustispina David van Langen 1970 Sep 106 Coryphantha species R.W. Muckleroy 1975 Oct 114 Coryphantha species Evelyn Crisp 1977 Feb 18 Coryphantha species Norris Miertschin 2006 Nov/Dec 8 Coryphantha sulcata David van Langen 1966 Feb 13 Coryphantha vivipara Bud Anderson 1980 Jan/Feb 8 Cristate & Monstrosus Forms C.V. Kirkpatrick 2015 Mar/Apr 10 Cylindropuntia fulgida David Van langen !2 CACTUS OF THE MONTH YEAR MONTHS PAGE TITLE AUTHOR 2020 March/April 3 Cylindropuntia imbricata var. imbricata Liliana Cracraft 1982 May/Jun 43 Discocactus species Evelyn Crisp 1987 Jan/Feb 8 Discocactus species John Gussett 2003 Jan/Feb 8 Discocactus species Phyllis McEuen 1986 May/Jun 36 Dolichothele species Ida Mae Stevens 1965 Jan 5 Dolichothele sphaerica Ray Riley 1966 Jan 5 Echinocactus grusonii Bettie Muckleroy 1982 May/Jun 41 Echinocactus grusonii John Gussett 1994 Mar/Apr 4 Echinocactus grusonii Keith Schwabe 2002 Jan/Feb 8 Echinocactus grusonii Dave Thomas 2013 Jul/Aug 7 Echinocactus grusonii Mario Rizo 1986 Jan/Feb 8 Echinocactus hamatacanthus Ben Muller 1995 May/Jun 6 Echinocactus hamatacanthus Genevieve Friend 1967 Jul 53 Echinocactus horizonthalonius Robert Bailey 1973 Nov/Dec 126 Echinocactus horizonthalonius Gus Homann 2007 Nov/Dec 6 Echinocactus horizonthalonius David van Langen 1979 Nov/Dec 77 Echinocactus polycephalus Richard May 1996 Sep/Oct 4 Echinocactus setispinus Genevieve Friend 1998 Sep/Oct 8 Echinocactus setispinus Genevieve Friend 1990 Jan/Feb 4 Echinocactus setispinus hamatus Andrew Voelkle 1970 Jul 82 Echinocactus species R.A. Riley 1976 Jan 6 Echinocactus species Joe Cappleman 1976 Jul 78 Echinocactus species Patsy Schlicht 1992 May/Jun 4 Echinocactus species Gene Byrd 1993 Sep/Oct 9 Echinocactus texensis Sally Daniels 1994 Mar/Apr 6 Echinocactus texensis Sally Daniels 1998 Mar/Apr 6 Echinocactus texensis Matt Demel 2013 Sep/Oct 6 Echinocactus texensis Wally Ward 1983 May/Jun 40 Echinocactus uncinatus v. wrightii Lee Turvey 2016 May/Jun 3 Echinocereus adustus David Van Langen 1980 Mar/Apr 26 Echinocereus chloranthus Jim Weedin 2009 May/Jun 6 Echinocereus dasyacanthus Fred Haase 1993 May/Jun 9 Echinocereus davisii Leroy Kellogg 2009 Jul/Aug 4 Echinocereus engelmannii David van Langen 1965 Feb 12 Echinocereus enneacanthus Skipper Wilson 2002 May/Jun 6 Echinocereus enneacanthus Fred Haase 2012 May/Jun 11 Echinocereus fasciculatus David van Langen 2013 Jul/Aug 9 Echinocereus fendleri David van Langen 2004 Mar/Apr 11 Echinocereus knippelianus Richard Stamper 1981 Mar/Apr 26 Echinocereus lloydii Jim Weedin 2000 Mar/Apr 8 Echinocereus pectinatus (Echinocereus dasyacanthus) Bruce Moffett 2003 May/Jun 8 Echinocereus pectinatus v. rubrispinum Liliana Rodriguez 2011 Mar/Apr 12 Echinocereus pentalophus Fred Haase 1967 Oct 76 Echinocereus reichenbachii Glenn Spraker 1972 Nov/Dec 126 Echinocereus reichenbachii W.W. Trammell 1994 May/Jun 8 Echinocereus reichenbachii Dick McEuen 2019 March/April 7 Echinocereus reichenbachii David Van Langen 2003 Mar/Apr 9 Echinocereus ridgidissimus v. rubispinus Fred Haase 1968 Jun 46 Echinocereus rigidissimus Louise Pennycuick 2014 Jan/Feb 9 Echinocereus rigidissimus subs. Rubispinus Charlie Gustin 2008 May/Jun 6 Echinocereus roetteri David van Langen 1976 Aug 90 Echinocereus species Caroline Pickens 1978 Sep/Oct 90 Echinocereus species Stephen Burda 1969 Nov/Dec 110 Echinocereus stramineus Ray Riley 1987 Jul/Aug 48 Echinocereus stramineus John Twining 2005 Mar/Apr 7 Echinocereus stramineus Fred Haase 2005 Jul/Aug 11 Echinocereus triglochiatus Hank Andresen 2007 Sep/Oct 5 Echinocereus triglochiatus Paul Stricklin !3 CACTUS OF THE MONTH YEAR MONTHS PAGE TITLE AUTHOR 2017 Sep/Oct 4 Echinocereus triglochidatus Paul Stricklin 1965 Apr 25 Echinocereus triglochidiatus Ray Riley 1994 Sep/Oct 6 Echinocereus triglochidiatus Hank Andresen 1996 May/Jun 5 Echinocereus virdiflorus var. viridiflorus Dick McEuen 2018 Jan/Feb 4 Echinocereus viridi orus David Van Langen 2015 Jul-Oct 8 Echinocereus viridi orus