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According to Wikipedia , Dr Donald John Pinkava was a botanist, specializing in cacti and succulents, and he is the discoverer of some of their varieties. He was Professor Emeritus at Arizona State University . He was married to Mary Klements Pinkava, and they have one daughter, Michelle Shaw, and two grandchildren.
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1970 1980 1990 2000 2010 0 25 50 75 100 125 150 175 200 225 250 Published Works High proportion of cactus species threatened with extinction (2015) OPUNTIA CACTI OF NORTH AMERICA--AN OVERVIEW (2001) Chromosome numbers in some cacti of western North America. V (1985) Chromosome numbers in some cacti of western North America (1971) Chromosome Numbers in Some Cacti of Western North America-III (1977) CHROMOSOME STUDIES IN ASTERACEAE FROM THE UNITED STATES, MEXICO, THE WEST INDIES, AND SOUTH AMERICA. (1988) Chromosome Numbers in Some Cacti of Western North America-VIII (2009) A cytological and morphometric analysis of a triploid apomict, Opuntia × Kelvinensis (subgenus Cylindropuntia, Cactaceae) (1987) CHROMOSOME COUNTS AND TAXONOMIC NOTES FOR COMPOSITAE FROM THE UNITED STATES AND MEXICO (1976) Chromosome numbers in some cacti of western North America-VI, with nomenclatural changes (1992) (30)Vegetation and flora of the bolson of Cuatro Ciénegas region, Coahuila, México. I (2017) CHROMOSOME COUNTS OF COMPOSITAE FROM THE UNITED STATES AND MEXICO (1977) Miscellaneous Chromosome Numbers in Opuntieae Dc. (Cactaceae) with a Compilation of Counts for the Group (2012) Chromosome and Hybridization Studies of Agave (1985) (20)A CATALOGUE OF THE FLORA OF ARIZONA SUPPLEMENT II (1980) (19)Chromosome numbers in some cacti Of western North America—II (2008) Cacti of Texas and Neighboring States. (1985) DOCUMENTED CHROMOSOME NUMBERS 1990: 1. MISCELLANEOUS NORTH AMERICAN VASCULAR PLANTS (1990) (9)Chromosome and Hybridization Studies of Agaves (2015) (8)A COMPARISON OF TWO NEW METHODS OF PREPARING CACTI AND OTHER STEM SUCCULENTS FOR STANDARD HERBARIUM MOUNTING (1985) Chromosome numbers of miscellaneous angiosperm taxa (2009) (7)Cienegas Vanishing Climax Communities of the American Southwest (2012) (7)Chromosome Numbers in Some Cacti of Western North America — IX (2018) UNIQUENESS OF THE ENDANGERED FLORIDA SEMAPHORE CACTUS (OPUNTIA CORALLICOLA) (1998) (7)Nomenclatural and systematic reassessment of Opuntia engelmannii and O. lindheimeri (Cactaceae) (1988) (7)Vascular Flora of the Miller Blue Hole and Stream, Sandusky County, Ohio (1963) (4)On Cowania and its intergeneric hybrids in Arizona (1984) (2)CYMOPHORA (ASTERACEAE: HELIANTHEAE) RETURNED TO TRIDAX (1987) (2)A NEW GYPSOPHILOUS SPECIES OF PHACELIA (HYDROPHYLLACEAE) FROM COAHUILA, MEXICO (1977) (2)Reinstatement of Carminatia DC. (Compositae: Eupatorieae) (1977) (2)Distribution and Meiotic Behavior of Supernumerary Chromosomes in Baileya multiradiata (Compositae) (1974) A NEW SPECIES OF CHOLLA (CACTACEAE: OPUNTIA) FROM COAHUILA, MÉXICO (1976) (1)Biosystematic study of genus Berlandiera dc. (Compositae) (1964) (1)Plants New to Arizona Flora: III and New Distribution Records of Noteworthy Species (1970) Book Review:Flora of the U.S.S.R. Volume XII: Leguminosae: Astragalus. B. K. Shishkin (1969) A Cytological and Morphometric Analysis of a Triploid Apomict , Opuntia xKelvinensis ( Subgenus Cylindropuntia , Cactaceae ) Author ( s ) : (2016) (0)Plants New to Arizona Flora. II (1968) Mega sporogenesis and mega gametogenesis in opuntia fulgida opuntia spinosior and their tri ploid hybrids (1983) (0)Cirsium coahuilense (Asteraceae), a new species from northern Mexico. (1980) Peebles, R. H. 1942. Preservation of cactus material. Cact. Succ. J. (US) 14: 3-9. (2016) (0)A NEW SPECIES OF FLAVERIA (COMPOSITAE: FLAVERIINAE) FROM GRAND CANYON, ARIZONA (1977) (0)VASCULAR PLANT TYPES IN THE ARIZONA STATE UNIVERSITY HERBARIUM (2001) (0)DYNAMICS OF CLONAL MICROSPECIES IN CHOLLA CACTUS (2017) (0)Trisomism and Triploidy via Heterofertilization in Parascaris equorum (1970) Lectotypification of Opuntia basilaris var. woodburyi (Cactaceae) (2015) (0)Schoenoplectus tabernaemontani (K.C. Gmel.) Palla (1968) (0)Revision of the Arizona Flora (2008) A new species of Mimosa (Leguminosae) from Coahuila, Mexico (1978) Biosystematic study of Berlandiera (Compositae) (1967) CHROMOSOME NUMBERS OF MISCELLANEOUS (2016) (0)More Papers This paper list is powered by the following services:
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