Prof. Itay Mayrose Lab – Plant Evolution, Bioinformatics, & Comparative Genomics
CCDB is a community resource. If you are aware of any missing data or if any of the counts are erroneous, please submit new counts, or report erroneous counts.
CCDB → Angiosperms → Amaranthaceae → Chenopodium → Chenopodium album
222 chromosome counts in Chenopodium album:
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Chenopodium album | Chenopodium album L. | 18 | Flora Europaea | Ltfvkvist, 1963 | ||
| ! | Chenopodium album | Chenopodium album L. | 54 | IPCN online | Arohonka, T. 1982. Chromosome counts of vascular plants of the island Seili in Nauvo, southwestern Finland. Turun Yliopiston Julkaisuja, Sar. A 2, Biol.-Geogr. 3: 1–12. | ||
| Chenopodium album L. | Chenopodium album L. | 54 | Slovakia Database | Májovský J. et al., 1978: Index of chromosome numbers of Slovakian flora (Part 6). - Acta Fac. Rerum Nat. Univ. Comen., Bot. 26: 1-42. | |||
| Chenopodium album L. | Chenopodium album L. | 54 | Slovakia Database | Schwarzová T., 1986: Chromosome numbers of some species of the genus Chenopodium L. from localities in Czechoslovakia. - Acta Fac. Rerum Nat. Univ. Comen., Bot. 33: 37-40. | |||
| Chenopodium album L. | Chenopodium album L. | 54 | IAPT/IOPB | IAPT/IOPB Chromosome Data 1 | |||
| Chenopodium album L. | Chenopodium album L. | 18 | IAPT/IOPB | ||||
| Chenopodium album L. | Chenopodium album L. | 54 | IAPT/IOPB | ||||
| Chenopodium album L. | Chenopodium album L. | 54 | IAPT/IOPB | ||||
| Chenopodium album L. | Chenopodium album L. | 54 | IAPT/IOPB | ||||
| Chenopodium album L. | Chenopodium album L. | 18 | IAPT/IOPB | ||||
| Chenopodium album L. | Chenopodium album L. | 18 | IAPT/IOPB | ||||
| ! | Chenopodium album L. | Chenopodium album L. | 18* | British Isles cytology | Maude, P.F. New Phytol. 38: 1-31 (1939) | ||
| ! | Chenopodium album L. | Chenopodium album L. | 54 | British Isles cytology | Cole, M.J. Watsonia 5: 117-122 (1962) | ||
| ! | Chenopodium album L. | Chenopodium album L. | 54 | British Isles cytology | Cole, M.J. Opera Bot. 5: 363-373 (1961) | ||
| ! | Chenopodium album L. | Chenopodium album L. | 54 | British Isles cytology | Rahiminezhad, M.R. (1995) | ||
| Chenopodium album L. | Chenopodium album L. | 36 | Flora Iberica | Contribuiao para o conhecimento citotaxonmico das spermatophyta de Portugal. X. Chenopodiaceae. Queirs, M.Bol. Soc. Brot. ser. 249: 121-142(1975). | |||
| Chenopodium album L. | Chenopodium album L. | 54 | Flora Iberica | Nmeros cromosmicos para la flora espaola, 551-555. Granado, C., T. Luque & J. Pastor.Lagascalia15(1): 133-136(1988). | |||
| ! | Chenopodium album L. | Chenopodium album L. | 54 | flora of NW Europe | http://wbd.etibioinformatics.nl/bis/flora.php?selected=beschrijving&menuentry=soorten&id=1815 | ||
| ! | Chenopodium album L. | Chenopodium album L. | 36 | Poland Database | Skali?ska M., Jankun A., Wcis?o H. et al. 1976. Further studies in chromosome numbers of Polish Angiosperms. Eleventh contribution. Acta Biol. Cracov. Ser. Bot. 19, 107-148. | ||
| ! | Chenopodium album L. | Chenopodium album L. | 54 | Poland Database | Skali?ska M., Jankun A., Wcis?o H. et al. 1976. Further studies in chromosome numbers of Polish Angiosperms. Eleventh contribution. Acta Biol. Cracov. Ser. Bot. 19, 107-148. | ||
| Chenopodium album L. | Chenopodium album L. | 54 | Kamari Mediterranean | ||||
| ! | Chenopodium album L. | Chenopodium album L. | 36 | Kamari Mediterranean | |||
| Chenopodium album L. | Chenopodium album L. | 54 | IPCN online | Granado, C., T. Luque & J. Pastor. 1988. Números cromosómicos para la flora Española. 551--555. Lagascalia 15: 133–136. | |||
| Chenopodium album L. | Chenopodium album L. | 27 | IPCN online | Bassett, I. J. & C. W. CROMPTON. 1982. The genus Chenopodium in Canada. Canad. J. Bot. 60: 586–610. | |||
| Chenopodium album L. | Chenopodium album L. | 18 | IPCN online | Sharma, A. K. & D. Dey. 1967. A comprehensive cytotaxonomic study on the family Chenopodiaceae. J. Cytol. Genet. 2: 114–127. | |||
| Chenopodium album L. | Chenopodium album L. | 36 | IPCN online | Magulaev, A. V. 1984. Cytotaxonomic study in some flowering plants of the North Caucasus. Bot. Zhurn. SSSR 69(4): 511–517. | |||
| Chenopodium album L. | Chenopodium album L. | 54 | IPCN online | Sidhu, M. & S. S. Bir. 1983. Karyological studies on weeds on cultivable lands in Punjab, India. Trop. Plant Sci. Res. 1: 1–13. | |||
| Chenopodium album L. | Chenopodium album L. | 54 | IPCN online | Dvorak, F. 1987. Study of Chenopodium diversifolium (Aellen) Dvorak and of some hybrids with this species. Scripta Fac. Sci. Nat. Univ. Purkyn. Brun. 17: 401–446. | |||
| Chenopodium album L. | Chenopodium album L. | 54 | IPCN online | Buttler, K. P. 1989. Chromosomenzahlen von Gefässpflanzen aus Hessen 4. Folge. Hess. Florist. Briefe 38: 11–14. | |||
| Chenopodium album L. | Chenopodium album L. | 54 | IPCN online | Hill, L. M. 1989. IOPB chromosome data 1. Int. Organ. Pl. Biosyst. Newslett. (Zurich) 13: 17–19. | |||
| Chenopodium album L. | Chenopodium album L. | 18 | IPCN online | Krasnikov, A. A. & D. N. Schaulo. 1990. Chromosome numbers in representatives of some families of vascular plants in the flora of the Novosibirsk region. II. Bot. Žhurn. (Moscow & Leningrad) 75: 118–120. | |||
| Chenopodium album L. | Chenopodium album L. | 54 | IPCN online | Parfenov, V. I. & S. A. Dmitrieva. 1987. Kariologicheskaja kharakteristika predstavitelej flory sosudistykh rastenij Berezinskogo Biosfernogo Zapovednika. II. Zapov. Belorussii Issl. 11: 62–69. | |||
| Chenopodium album L. | Chenopodium album L. | 54 | IPCN online | Palomino H., G., M. S. D., R. Bye & P. M. R. 1990. Cytogenetic distinction between Teloxys and Chenopodium (Chenopodiaceae). S. W. Naturalist 35: 351–357. | |||
| Chenopodium album L. | Chenopodium album L. | 54 | IPCN online | Schwarzová, T. 1986. Chromosome numbers of some species of the genus Chenopodium L. from localities in Czechoslovakia. Acta Fac. Rerum Nat. Univ. Comenianae, Bot. 33: 37–40. | |||
| Chenopodium album L. | Chenopodium album L. | 54 | IPCN online | Lomonosova, M. N. & A. A. Krasnikov. 1994. Chromosome numbers in some species of genus Chenopodium (Chenopodiaceae) of the flora of Siberia. Bot. Žhurn. (Moscow & Leningrad) 79(3): 124–125. | |||
| Chenopodium album L. | Chenopodium album L. | 36 | IPCN online | Runemark, H. 1996. Mediterranean chromosome number reports 6 (590--678). Fl. Medit. 6: 223–243. | |||
| Chenopodium album L. | Chenopodium album L. | 54 | IPCN online | Al-Turki, T. A., S. F. Mehmood & S. A. Filfilan. 1999. IOPB chromosome data 15. Newslett. Int. Organ. Pl. Biosyst. (Pruhonice) 31: 10. | |||
| Chenopodium album L. | Chenopodium album L. | 54, c.54 | IPCN online | GERVAIS, C. 2000. Documentation chromosomique. Contribution no 1. Ludoviciana 29: 74–79. | |||
| Chenopodium album L. | Chenopodium album L. | 54 | IPCN online | Albers, F. & W. Pröbsting. 1998. In R. Wisskirchen & H. Haeupler, Standardliste der Farn- und Blütenpflanzen Deutschlands. Bundesamt für Naturschutz & Verlag Eugen Ulmer, Stuttgart. | |||
| Chenopodium album L. | Chenopodium album L. | 54 | IPCN online | Kiehn, M., E. Vitek & C. Dobea. 2000. In C. Dobea & E. Vitek, Documented Chromosome Number Checklist of Austrian Vascular Plants. Verlag des Naturhistorischen Museums Wien, Vienna. | |||
| Chenopodium album L. | Chenopodium album L. | 54 | IPCN online | Lövkvist, B. & U. M. Hultgård. 1999. Chromosome numbers in south Swedish vascular plants. Opera Bot. 137: 1–42. | |||
| Chenopodium album L. | Chenopodium album L. | 18 | IPCN online | Sidhu, M. K. 1979. Distributional and cytological studies of the weed flora of cultivable fields of Patiala district (Panjab). Ph.D. Thesis, Patiala. 1-230. 1979. | |||
| Chenopodium album L. | Chenopodium album L. | 54 | IPCN online | Bir, S. S. & M. Sidhu. 1980. Cyto-palynological studies on weed flora of cultivable lands of Patiala district (Punjab). J. Palynol. 16: 85–105. | |||
| Chenopodium album L. | Chenopodium album L. | 27 | 54 | IPCN online | Strid, A. & R. Franzen. 1981. In Chromosome number reports LXXIII. Taxon 30: 829–842. | ||
| Chenopodium album L. | Chenopodium album L. | 54 | IPCN online | Tanaka, N. Y. & N. TANAKA. 1980. Chromosome studies in Chionographis (Liliaceae). III. The mode of meiosis. Cytologia 45: 809–817. | |||
| Chenopodium album L. | Chenopodium album L. | 54 | IPCN online | Dvorak, F. & F. Grull. 1978. Study of the number of chromosomes of Angiosperms 7. Scripta Fac. Sci. Nat. Univ. Purkyn. Brun. 1. 8: 23–46. | |||
| Chenopodium album L. | Chenopodium album L. | 27 | 54 | IPCN online | Bir, S. S. & M. Sidhu. 1979. Cytological observations in weed fiora of orchards of Paticla district, Punjab. Recent Res. Pl. Sci. (New Delhi). 7: 261–271. | ||
| Chenopodium album L. | Chenopodium album L. | 36,54,ca.108 | IPCN online | Queiros, M. 1975. Contribuicao para o conhecimento citotaxonomico das Spermatophyta de Portugal. X. Chenopodiaceae. Bol. Soc. Brot., sér. 2 49: 121–142. | |||
| Chenopodium album L. | Chenopodium album L. | 54 | IPCN online | SCHWARZOVA, T. 1978. In Index of chromosome numbers of Slovakian flora. Part 6. Acta Fac. Rerum Nat. Univ. Comenianae, Bot. 26: 1–42. | |||
| Chenopodium album L. | Chenopodium album L. | 9,27 | 18,54 | IPCN online | Sharma, A. K. 1970. Annual report, 1967-1968. Res. Bull. Univ. Calcutta Cytogenetics Lab. 2: 1–50. | ||
| Chenopodium album L. | Chenopodium album L. | 36,54 | IPCN online | Skalinska, M., H. JANKUN, H. Wcislo & e. al. 1976. Further studies in chromosome numbers of Polish angiosperms. XI. Acta Biol. Cracov., Ser. Bot. 19: 107–148. | |||
| Chenopodium album L. | Chenopodium album L. | 54+2(f) | IPCN online | BOUCHARD, C. J., D. DOYON & C. Gervais. 1978. Etude comparative de trois chenopodes adventives dans les cultures de la region de Quebec: 5 Chenopodium album L., C. ficifolium Smith & C. glaucum L. Naturaliste Canad. 105: 41–50. | |||
| Chenopodium album L. | Chenopodium album L. | 27 | 54 | IPCN online | CROMPTON, C. W. & I. J. BASSETT. 1976. In IOPB chromosome number reports LIV. Taxon 25: 631–649. | ||
| Chenopodium album L. | Chenopodium album L. | 36 | IPCN online | LABADIE, J. 1976a. Contribution à l'etude caryosystematique des espeees halophiles du littoral languedocier (plus precisement, especes appartenant à la classe des Salicornietea). These, Universite du Languedoc. 222 pp. | |||
| Chenopodium album L. | Chenopodium album L. | 54 | IPCN online | Al-Turki, T. A., S. A. Filfilan & S. F. Mehmood. 2000. A cytological study of flowering plants from Saudi Arabia. Willdenowia 30: 339–358. | |||
| Chenopodium album L. | Chenopodium album L. | 54 | IPCN online | Lomonosova, M. N. & A. A. Krasnikov. 2003. Chromosome numbers of the genus Chenopodium (Chenopodiaceae) in Siberia. Bot. Žhurn. (Moscow & Leningrad) 88(1): 130–131. | |||
| Chenopodium album L. | Chenopodium album L. | 54 | IPCN online | Lomonosova, M. N., A. A. Krasnikov & S. A. Krasnikova. 2001. Chromosome numbers of Chenopodiaceae from Siberia. Bot. Žhurn. (Moscow & Leningrad) 86(9): 145–146. | |||
| Chenopodium album L. | Chenopodium album L. | 54 | IPCN online | Lomonosova, M. N., S. A. Krasnikova, A. A. Krasnikov, A. L. Ebel & N. A. Rudaja. 2003. Chromosome numbers of the family members Chenopodiaceae representatives from Mongolia and Kazakhstan. Bot. Žhurn. (Moscow & Leningrad) 88(8): 113–115. | |||
| Chenopodium album L. | Chenopodium album L. | 18, 36, 54 | IPCN online | Dmitrieva, S. A. 2000. Karyology of the flora of Byelarus. Page 42 in Thesis of the Diss. Doc. Biol. Sci. Minsk. | |||
| Chenopodium album L. | Chenopodium album L. | 54 | IPCN online | Rahiminejad, M. R. & R. J. Gornall. 2004. Flavonoid evidence for allopolyploidy in the Chenopodium album aggregate (Amaranthaceae). Pl. Syst. Evol. 246: 77–87. | |||
| Chenopodium album L. | Chenopodium album L. | 54 | IPCN online | Lomonosova. 2005. Chromosome numbers of Chenopodiaceae species from Russia and Kazakhstan. Bot. Žhurn. (Moscow & Leningrad) 90(7): 1132–1134. | |||
| Chenopodium album L. | Chenopodium album L. | 54 | IPCN online | Krasnikov. 2004. Karyological study of the Tuva Republic flora: a summary. Turczaninowia 7(2): 82–95. | |||
| Chenopodium album L. | Chenopodium album L. | 54 | IPCN online | Rahiminejad. 2006. IAPT/IOPB chromosome data 1. Taxon 55(2): 444–445. | |||
| Chenopodium album L. | Chenopodium album L. | 18 | IPCN online | Probatova. 2005. Chromosome numbers of some dicotyledons of the flora of the Amur Region. Bot. Žhurn. (Moscow & Leningrad) 90(5): 779–792. | |||
| ! | Chenopodium album L. | Chenopodium album L. | 54 | IPCN online | Dvo|3rák, F. 1993. Relationships and diagnostic characters of Chenopodium striatiforme J. Murr., C. striatum (Krăsan) J. Murr. and C. strictum Roth. Feddes Repert. 104: 439–449. | ||
| ! | Chenopodium album L. | Chenopodium album L. | 36 | IPCN online | Dvo|3rák, F. 1989. Study on Chenopodium strictum agg. Feddes Repert. 100: 197–234. | ||
| Chenopodium album L. | Chenopodium album L. | 9 | 27 | IPCN75-78 | 18 | ||
| Chenopodium album L. | Chenopodium album L. | 54 | IPCN75-78 | Schwarzova 1978 | |||
| Chenopodium album L. | Chenopodium album L. | 36 | IPCN75-78 | Labadie 1976a | |||
| Chenopodium album L. | Chenopodium album L. | 27 | 54 | IPCN75-78 | Crompton & Bassett 1976 | ||
| ! | Chenopodium album L. | Chenopodium album L. | 36 | IPCN75-78 | 54 | ||
| ! | Chenopodium album L. | Chenopodium album L. | 36 | IPCN75-78 | 54 | ||
| Chenopodium album L. | Chenopodium album L. | 27 | c.54 | IPCN73-74 | UOTILA, P. 1973. Chromosome counts on Chenopodium L. from SE Europe and SW Asia. Ann. Bot. Fenn. 10: 337-340. | ||
| Chenopodium album L. | Chenopodium album L. | 54 | IPCN73-74 | BORGEN, L. 1974. Chromosome numbers of Macaronesian flowering plants! II. Norwegian J. Bot. 21: 195-210. | |||
| ! | Chenopodium album L. | Chenopodium album L. | 18 | Kumar, 1987 | . Winge, b. 1917a; p; Maude, P.F. 1939 ; LOve, A. & Uive, D. 1944b, 1956b ; Delay, C. 1947 ; Raghavan, R.S. & Arora, C.M. 1958; Josimovich, V.P. (Fedorov) : Bhattacharya, S.S. et al. 1911 ; Dvorak, F. & Griiii, F. 1978 | ||
| ! | Chenopodium album L. | Chenopodium album L. | 18, 36 | Kumar, 1987 | Rohweder, H. 1937 | ||
| ! | Chenopodium album L. | Chenopodium album L. | 18, 36, 54 | Kumar, 1987 | Mehra, P.N. & Malik, C.P. 1961b, 1963 | ||
| ! | Chenopodium album L. | Chenopodium album L. | 18, 42 | Kumar, 1987 | Roy, R.P. & Thakur, V. 1961a | ||
| ! | Chenopodium album L. | Chenopodium album L. | 18, 54 | Kumar, 1987 | De, D. 1967 ; Sharma, A. & Sarkar, A.K. 1967-1968 | ||
| ! | Chenopodium album L. | Chenopodium album L. | 36 | Kumar, 1987 | Cooper, G.O. 1935 ; Witte, M.B. 1947; Heiser, C.B. & Whitaker, T.W. 1948 ; Sorsa, V. 1962 ; Labadie, J.P. 1976 | ||
| ! | Chenopodium album L. | Chenopodium album L. | 54 | Kumar, 1987 | Kjellmark, S. 1934 ; Cole (L6ve, A. & U)ve, D. 1961b); Love, A. & Love, D. 1961 b ; Giusti, L. 1964 ; Taylor, R.L. & Mulligan, G.A. 1968 ; Uotila, P. 1972, 1974 ; Dvorak, F. et al. 1915 ; Crompton, C.W. & Bassett, I.J. 1976 ; Bir, S.S. & Sidhu, M. 1980 ; Tanaka, R. & Tanaka, A. 1980 | ||
| ! | Chenopodium album L. | Chenopodium album L. | 54, c.54 | Kumar, 1987 | Uotila, P. 1973 | ||
| ! | Chenopodium album L. | Chenopodium album L. | 54 | eFlora | |||
| Chenopodium album L. | Chenopodium album L. | 18 | Fedorov, 1974 | Winge 1917a, b | |||
| Chenopodium album L. | Chenopodium album L. | 18 | Fedorov, 1974 | Maude 1939 | |||
| Chenopodium album L. | Chenopodium album L. | 18 | Fedorov, 1974 | LOve A., LOve D. 1944h, 1956b | |||
| Chenopodium album L. | Chenopodium album L. | 18 | Fedorov, 1974 | Delay 1947 | |||
| Chenopodium album L. | Chenopodium album L. | 18 | Fedorov, 1974 | Raghavan R. S., Arora 1958 | |||
| Chenopodium album L. | Chenopodium album L. | 18 | Fedorov, 1974 | BOCHMOBH'I 1963 | |||
| Chenopodium album L. | Chenopodium album L. | 18, 36 | Fedorov, 1974 | Rohweder 1937 | |||
| Chenopodium album L. | Chenopodium album L. | 18, 36, 54 | Fedorov, 1974 | Mehra P. N., Malik 1963 | |||
| Chenopodium album L. | Chenopodium album L. | 313 | Fedorov, 1974 | Cooper G. O. 1935 | |||
| Chenopodium album L. | Chenopodium album L. | 313 | Fedorov, 1974 | Witte 1947 | |||
| Chenopodium album L. | Chenopodium album L. | 313 | Fedorov, 1974 | Heiser. Whitaker 1948 | |||
| Chenopodium album L. | Chenopodium album L. | 313 | Fedorov, 1974 | Sorsa v. 1962 | |||
| Chenopodium album L. | Chenopodium album L. | 54 | Fedorov, 1974 | Kjellmark 1934 | |||
| Chenopodium album L. | Chenopodium album L. | 54 | Fedorov, 1974 | Love A., LOve D. 1961b | |||
| Chenopodium album L. | Chenopodium album L. | 54 | Fedorov, 1974 | Giu~ti 19(H | |||
| ! | Chenopodium album L. | Chenopodium album L. | 18 | Darlington, 1955 | Maude 1940 | ||
| ! | Chenopodium album L. | Chenopodium album L. | 32? | Darlington, 1955 | |||
| ! | Chenopodium album L. | Chenopodium album L. | 36 | Darlington, 1955 | G. 0. Cooper 1935, (G)V | ||
| ! | Chenopodium album L. | Chenopodium album L. | 36 | Darlington, 1955 | Witte 1947 | ||
| ! | Chenopodium album L. | Chenopodium album L. | 54 | Darlington, 1955 | Kjellrnark 1934 | ||
| ! | Chenopodium album L. | Chenopodium album L. | 54 | C-values database | Bennett MD, Leitch IJ, Hanson L. 1998. DNA amounts in two samples of angiosperm weeds. Annals of Botany 82 (Supplement A): 121-134. | ||
| ! | Chenopodium album L. | Chenopodium album L. | 18 | C-values database | Ohri D. (pers. comm. 2002) | ||
| ! | Chenopodium album L. | Chenopodium album L. | 36 | C-values database | Ohri D. (pers. comm. 2002) | ||
| ! | Chenopodium album L. | Chenopodium album L. | 2n = 54 | Austria_checklist | M. Kiehn, E. Vitek & Ch. Dobes unpubl. | ||
| Chenopodium album L. | Chenopodium album L. | 18 | Cave1956 | Love & Love b | |||
| Chenopodium album L. | Chenopodium album L. | 27 | 54 | Cave1962 | Cole 1961, 1962 | ||
| Chenopodium album L. | Chenopodium album L. | 9, 18, 27 | Cave1963 | Mehra & Malik 1963 | |||
| Chenopodium album L. | Chenopodium album L. | 18 | Cave1963 | Sorsa 1962. | |||
| Chenopodium album L. | Chenopodium album L. | 9 | CromoCat 2015 | Baquar, S. R. & Warsi, B. A. (1968). Reports [In Löve, A. (ed.), IOPB chromosome numbers reports XV]. Taxon 17(1): 91-104. | |||
| Chenopodium album L. | Chenopodium album L. | 9 | CromoCat 2015 | Mukherjee, K. K. (1986). A comparative study of two cytotypes of Chenopodium album in West Bengal, India. Canad. J. Bot. 64: 754-759. | |||
| Chenopodium album L. | Chenopodium album L. | 27 | CromoCat 2015 | Crompton, C. W. & Bassett, I. J. (1976). Reports [In Löve, A. (ed.), IOPB chromosome numbers reports LIV]. Taxon 25(5/6): 645-646. | |||
| Chenopodium album L. | Chenopodium album L. | 27 | CromoCat 2015 | Mukherjee, K. K. (1986). A comparative study of two cytotypes of Chenopodium album in West Bengal, India. Canad. J. Bot. 64: 754-759. | |||
| Chenopodium album L. | Chenopodium album L. | 27 | CromoCat 2015 | Uotila, P. (1972). Chromosome counts on the Chenopodium album aggregate in Finland and NE Sweden. Ann. Bot. Fenn. 9: 29-32. | |||
| Chenopodium album L. | Chenopodium album L. | 27 | CromoCat 2015 | Uotila, P. (1973). Chromosome counts on Chenopodium L. from SE Europe and SW Asia. Ann. Bot. Fenn. 10: 337-340. | |||
| Chenopodium album L. | Chenopodium album L. | 18 | CromoCat 2015 | Cooper, G. O. (1936b). Cytological studies in the Chenopodiaceae. I. Microsporogenesis and pollen development. Bot. Gaz. 97: 169-178. | |||
| Chenopodium album L. | Chenopodium album L. | 0 | 54 | CromoCat 2015 | Lomonosova, M. (2012). IAPT/IOPB Chromosome Data 13 Taxon 61:898 | ||
| Chenopodium album L. | Chenopodium album L. | 108 | CromoCat 2015 | Queirós, M. (1975a). Contribuiçao para o conhecimento citotaxonómico das Spermatophyta de Portugal. X. Chenopodiaceae. Bol. Soc. Brot. 49: 121-142. | |||
| Chenopodium album L. | Chenopodium album L. | 18 | CromoCat 2015 | Delay, C. (1947b). Recherches sur la structure des noyaux quiescents chez les Phanérogames. Rev. Cytol. et Cytophysiol. Vég. 10(1-4): 103-229. | |||
| Chenopodium album L. | Chenopodium album L. | 18 | CromoCat 2015 | Dvo?ák, F. & Grüll, F. (1978). Study of the number of chromosomes of Angiosperms 7. Scr. Fac. Sci. Nat. Univ. Purkyn. Brun., Biol. 8: 23-46 | |||
| Chenopodium album L. | Chenopodium album L. | 18 | CromoCat 2015 | Löve, A. & Löve, D. (1944b). Cytotaxonomical studies on boreal plants. III. Some new chromosome numbers of Scandinavian plants. Arkiv. for Bot. Band 314(12): 1-22. | |||
| Chenopodium album L. | Chenopodium album L. | 18 | CromoCat 2015 | Löve, A. & Löve, D. (1956b). Cytotaxonomical conspectus of the Icelandic flora. Acta Horti Gothob. 20(4): 65-291. | |||
| Chenopodium album L. | Chenopodium album L. | 18 | CromoCat 2015 | Maude, P. F. (1939). The Merton catalogue. A list of the chromosome numerals of species of British flowering plants. New Phytol. 38: 1-31. | |||
| Chenopodium album L. | Chenopodium album L. | 18 | CromoCat 2015 | Maude, P. F. (1940). Chromosome numbers in some British plants. New Phytol. 39: 17-32. | |||
| Chenopodium album L. | Chenopodium album L. | 18 | CromoCat 2015 | Mukherjee, K. K. (1986). A comparative study of two cytotypes of Chenopodium album in West Bengal, India. Canad. J. Bot. 64: 754-759. | |||
| Chenopodium album L. | Chenopodium album L. | 18 | CromoCat 2015 | Probatova (2005). Chromosome numbers of some dicotyledons of the flora of the Amur Region Bot. Žhurn. (Moscow & Leningrad) 90(5): 779–792 | |||
| Chenopodium album L. | Chenopodium album L. | 18 | CromoCat 2015 | Raghavan, R. S. & C. M. Arora. (1958). Chromosome numbers in Indian medicinal plants. II. Proc. Ind. Acad. Sci. B 47: 352-358. | |||
| Chenopodium album L. | Chenopodium album L. | 18 | CromoCat 2015 | Winge, Ö. (1917). The chromosomes. Their numbers and general importance. Compt. Rend. Trav. Carlsberg Lab., Sér. Physiol. 13: 131-275. | |||
| Chenopodium album L. | Chenopodium album L. | 36 | CromoCat 2015 | Bhargava, H. R. (1936). The life-history of Chenopodium album L. Proc. Indiana Acad. Sci. 4: 179-200. | |||
| Chenopodium album L. | Chenopodium album L. | 36 | CromoCat 2015 | Cooper, D. C. (1935a). Microsporogenesis and the development of the male gametes in Portulaca oleraceae. Amer. J. Bot. 22: 453-459. | |||
| Chenopodium album L. | Chenopodium album L. | 36 | CromoCat 2015 | Giusti, L. (1964). Notas citotaxonómicas sobre Chenopodium album L. en Argentina. Darwiniana 13: 486-505. | |||
| Chenopodium album L. | Chenopodium album L. | 36 | CromoCat 2015 | Labadie, J. P. (1976). Reports [In Löve, A. (ed.), IOPB chromosome numbers reports LIV]. Taxon 25(5/6): 636-639. | |||
| Chenopodium album L. | Chenopodium album L. | 36 | CromoCat 2015 | Magulaev, A. Y. (1984). Cytotaxonomix study in some flowering plants of the North Caucasus. Bot. Žurn. 69: 511-517. | |||
| Chenopodium album L. | Chenopodium album L. | 36 | CromoCat 2015 | Queirós, M. (1975a). Contribuiçao para o conhecimento citotaxonómico das Spermatophyta de Portugal. X. Chenopodiaceae. Bol. Soc. Brot. 49: 121-142. | |||
| Chenopodium album L. | Chenopodium album L. | 36 | CromoCat 2015 | Runemark, H. (1996). Mediterranean chromosome number reports-6 Fl. Medit. 6: 223-243. | |||
| Chenopodium album L. | Chenopodium album L. | 36 | CromoCat 2015 | Skalinska, M. (1976). Further studies in chromosome numbers of Polish Angiosperms. Part XI. Acta Biol. Cracov., Ser. Bot. 19: 107-148. | |||
| Chenopodium album L. | Chenopodium album L. | 36 | CromoCat 2015 | Witte, M. B. (1947). A comparative cytological study of three species of the Chenopodiaceae. Bull. Torrey Bot. Club 74: 443-453. | |||
| Chenopodium album L. | Chenopodium album L. | 54 | CromoCat 2015 | Al-Turki, T. A., Mehmood, S. F. & Filfilan, S. A. (1999). IOPB Chromosome Data 15 (ed. C.A. Stace). Int. Organ. Pl. Biosyst. Newslett. 31: 10. | |||
| Chenopodium album L. | Chenopodium album L. | 54 | CromoCat 2015 | Arohonka, T. (1982). Kromosomilukumäärityksiä Nauvon Seilin saaren putkilokasveista. (Chromosome counts of vascular plants of the island Seiliin Nauvo, SW Finland) Turun Yliopiston Biologian Laitoksen Julkaisuja 3: 1-12. | |||
| Chenopodium album L. | Chenopodium album L. | 54 | CromoCat 2015 | Borgen, L. (1974). Chromosome numbers of Macaronesian flowering plants II. Norweg. J. Bot. 21: 195-210. | |||
| Chenopodium album L. | Chenopodium album L. | 54 | CromoCat 2015 | Crompton, C. W. & Bassett, I. J. (1976). Reports [In Löve, A. (ed.), IOPB chromosome numbers reports LIV]. Taxon 25(5/6): 645-646. | |||
| Chenopodium album L. | Chenopodium album L. | 54 | CromoCat 2015 | Dvorák, F., Dadáková, B. & Grüll, F. (1975). Chromosome counts for Erysimum durum, Erysimum hieraciifolium and Chenopodium album. Folia Geobot. Phytotax. (Bohem.) 10: 183-190. | |||
| Chenopodium album L. | Chenopodium album L. | 54 | CromoCat 2015 | Gervais, C. (1979). Liste annotée de nombres chromosomiques de la flore vasculaire du Nord-Est de l'Amérique. Naturaliste Canad. 106: 451-461. | |||
| Chenopodium album L. | Chenopodium album L. | 54 | CromoCat 2015 | Gervais, C. (2000). Documentation chromosomique. Contribution no 1 Ludoviciana 29: 74-79 | |||
| Chenopodium album L. | Chenopodium album L. | 54 | CromoCat 2015 | Giusti, L. (1964). Notas citotaxonómicas sobre Chenopodium album L. en Argentina. Darwiniana 13: 486-505. | |||
| Chenopodium album L. | Chenopodium album L. | 54 | CromoCat 2015 | Granado, C., Luque, T. & Pastor, J. (1988). Números cromosómicos para la flora española, 551-555. Lagascalia 15(1): 133-136. | |||
| Chenopodium album L. | Chenopodium album L. | 54 | CromoCat 2015 | Hill, L. M. (1989). IOPB Chromosome Data 1 (ed. C.A. Stace). Int. Organ. Pl. Biosyst. Newslett. 13: 17-19. | |||
| Chenopodium album L. | Chenopodium album L. | 54 | CromoCat 2015 | Mukherjee, K. K. (1986). A comparative study of two cytotypes of Chenopodium album in West Bengal, India. Canad. J. Bot. 64: 754-759. | |||
| Chenopodium album L. | Chenopodium album L. | 54 | CromoCat 2015 | Queirós, M. (1975a). Contribuiçao para o conhecimento citotaxonómico das Spermatophyta de Portugal. X. Chenopodiaceae. Bol. Soc. Brot. 49: 121-142. | |||
| Chenopodium album L. | Chenopodium album L. | 54 | CromoCat 2015 | Reza Rahiminejad, M. (2006). IAPT/IOPB Chromosome Data 1 Taxon 55(2): 443-445 | |||
| Chenopodium album L. | Chenopodium album L. | 54 | CromoCat 2015 | Schwarzová, T. (1986). Chromosome numbers of some species of the genus Chenopodium L. from localities in Czechoslovakia. Acta Fac. Rerum Nat. Univ. Comenianae, Bot. 33: 37-40. | |||
| Chenopodium album L. | Chenopodium album L. | 54 | CromoCat 2015 | Skalinska, M. (1976). Further studies in chromosome numbers of Polish Angiosperms. Part XI. Acta Biol. Cracov., Ser. Bot. 19: 107-148. | |||
| Chenopodium album L. | Chenopodium album L. | 54 | CromoCat 2015 | Strid, A. & R. Franzén. (1981). Reports [In Löve, A. (ed.), IOPB chromosome numbers reports LXXIII]. Taxon 30(4): 829-842. | |||
| Chenopodium album L. | Chenopodium album L. | 54 | CromoCat 2015 | Taylor, R. L. & G. A. Mulligan. (1968). Flora of the Queen Charlotte Island. Part 2. Cytologiacl aspects of the Vascular Plants. Queen's Printer Ottawa | |||
| Chenopodium album L. | Chenopodium album L. | 54+2(f) | CromoCat 2015 | Bouchard, C. J., Doyon, D. & Gervais, C. (1978). Étude comparative de trois Chénopodes adventices dans les cultures de la région de Québec: Chenopodium album L., C. ficifolium Smith et C. glaucum L. Naturaliste Canad. 105: 41-50. | |||
| Chenopodium album L. | Chenopodium album L. | c. 108 | CromoCat 2015 | Queirós, M. (1975a). Contribuiçao para o conhecimento citotaxonómico das Spermatophyta de Portugal. X. Chenopodiaceae. Bol. Soc. Brot. 49: 121-142. | |||
| Chenopodium album L. | Chenopodium album L. | c.54 | CromoCat 2015 | Bouchard, C. J., Doyon, D. & Gervais, C. (1978). Étude comparative de trois Chénopodes adventices dans les cultures de la région de Québec: Chenopodium album L., C. ficifolium Smith et C. glaucum L. Naturaliste Canad. 105: 41-50. | |||
| Chenopodium album L. | Chenopodium album L. | c.54 | CromoCat 2015 | Gervais, C. (2000). Documentation chromosomique. Contribution no 1 Ludoviciana 29: 74-79 | |||
| Chenopodium album L. | Chenopodium album L. | c.54 | CromoCat 2015 | Uotila, P. (1973). Chromosome counts on Chenopodium L. from SE Europe and SW Asia. Ann. Bot. Fenn. 10: 337-340. | |||
| Chenopodium album L. | Chenopodium album L. | c.54 | CromoCat 2015 | Uotila, P. (1974). Pollen morphology in European species of Chenopodium sect. Chenopodium, with special reference to C. album and C. suecicum. Ann. Bot. Fenn. 11: 44-58. | |||
| Chenopodium album L. | Chenopodium album L. | ca.108 | CromoCat 2015 | Queirós, M. (1975a). Contribuiçao para o conhecimento citotaxonómico das Spermatophyta de Portugal. X. Chenopodiaceae. Bol. Soc. Brot. 49: 121-142. | |||
| ! | Chenopodium album L. | Chenopodium album L. | 54 | CromoCat 2015 | Dvorák, F., Dadáková, B. & Grüll, F. (1983). A contribution to the study of Chenopodium album agg. Folia Geobot. Phytotax. (Bohem.) 18: 29-43. | ||
| ! | Chenopodium album L. | Chenopodium album L. | 54 | CromoCat 2015 | Kjellmark, S. (1934). Einige neue chromosomenzahlen in der familie Chenopodiaceae (Vort. Mitt.). Bot. Not. 87: 136-144. | ||
| ! | Chenopodium album L. | Chenopodium album L. | 54 | CromoCat 2015 | Bassett, I. J. & C. W. Crompton. (1971). Reports [In Löve, A. (ed.), IOPB chromosome numbers reports XXXIV]. Taxon 20(5/6): 786-787. | ||
| ! | Chenopodium album L. | Chenopodium album L. | 54 | CromoCat 2015 | Keener, C. S. (1970). Documented plant chromosome numbers. Sida 3: 533-536. | ||
| ! | Chenopodium album L. | Chenopodium album L. | 18 | CromoCat 2015 | Bhattacharyya, S. S., Khalifa, M. M. & Chaudhri, I. I. (1971). Reports [In Löve, A. (ed.), IOPB chromosome numbers reports XXXII]. Taxon 20(2/3): 349-350. | ||
| Chenopodium album L. | Chenopodium album L. | 54 | IAPT/IOPB | IAPT/IOPB Chromosome Data 27 | |||
| Chenopodium album L. | Chenopodium album L. | 54 | IAPT/IOPB | IAPT/IOPB Chromosome Data 34 | |||
| ! | Chenopodium album None | Chenopodium album L. | 9 | 18 | Cave1958 | Raghavan & Arora 1958 | |
| ! | Chenopodium album f. lanceolatum (Muhl.) Schinz & Thell. | Chenopodium album L. | 54 | IPCN online | Bassett, I. J. & C. W. CROMPTON. 1982. The genus Chenopodium in Canada. Canad. J. Bot. 60: 586–610. | ||
| ! | Chenopodium album f. lanceolatum (Muhl.) Schinz & Thell. | Chenopodium album L. | 54 | IPCN online | Lomonosova, M. N. & A. A. Krasnikov. 2003. Chromosome numbers of the genus Chenopodium (Chenopodiaceae) in Siberia. Bot. Žhurn. (Moscow & Leningrad) 88(1): 130–131. | ||
| ! | Chenopodium album subsp. karoi Murr | Chenopodium karoi (Murr) Aellen | 54 | Slovakia Database | Mártonfiová L., 2007: [New records in Armeria, Arum, Campanula, Chenopodium, Corispermum, Duchesnea, Erythronium, Fritillaria, Glechoma, Hedera, Leucojum, Onobrychis, Ranunculus, Sorbus, Symphyotrichum, Tussilago, and Viola], pp. 109, 113, 150, 190, 201, 234, 251, 271, 294, 299, 368, 414, 493, 557, 565, 596, 622, 623. - In: Marhold K., Mártonfi P., Mereďa P. jun., Mráz P. (eds), Chromosome number survey of the ferns and flowering plants of Slovakia. Veda, Bratislava. | ||
| ! | Chenopodium album subsp. karoi Murr | Chenopodium karoi (Murr) Aellen | 54 | Slovakia Database | Schwarzová T., 2007: [New record in Chenopodium], pp. 190. - In: Marhold K., Mártonfi P., Mereďa P. jun., Mráz P. (eds), Chromosome number survey of the ferns and flowering plants of Slovakia. Veda, Bratislava. | ||
| ! | Chenopodium album subsp. karoi Murr | Chenopodium karoi (Murr) Aellen | 18 | Love, 1948 | Winge 1917. L. & L. 1944 b. | ||
| ! | Chenopodium album subsp. karoi Murr | Chenopodium karoi (Murr) Aellen | 36 | Love, 1948 | Cooper 1935, Witte 1947. | ||
| ! | Chenopodium album subsp. karoi Murr | Chenopodium karoi (Murr) Aellen | 54 | Love, 1948 | Kjellmark 1934. | ||
| ! | Chenopodium album subsp. karoi Murr | Chenopodium karoi (Murr) Aellen | 54 | IPCN73-74 | KEENER, C.S. 1974. Documented plant chromosome numbers 1974: 1. Sida 5: 290-291. | ||
| ! | Chenopodium album subsp. pedunculare (Bertol.) Murr | Chenopodium album L. | 54 | Kamari Mediterranean | |||
| ! | Chenopodium album subsp. pedunculare (Bertol.) Murr | Chenopodium album L. | 54 | IAPT/IOPB | IAPT/IOPB Chromosome Data 19 | ||
| ! | Chenopodium album var. album | Chenopodium album L. | 54 | IPCN67-71 | KEENER, c.s. 1970. Documented plant chromosome numbers. 70: 1. Sida 3: 533-536. | ||
| ! | Chenopodium album var. album | Chenopodium album L. | 54 | IPCN67-71 | BASSETT, I.J., & C.W. CROMPTON. 1971. In IOPB chromosome number reports XXXIV. Taxon 20: 785-797"":" | ||
| ! | Chenopodium album var. album | Chenopodium album L. | 54 | Kumar, 1987 | Keener, C.S. 1970; Bassett, I.J. & Crompton, C.W. 1971 | ||
| Chenopodium album var. centrorubrum Makino | Chenopodium giganteum D. Don | 27 | 54 | IPCN online | Tanaka, N. Y. & N. TANAKA. 1980. Chromosome studies in Chionographis (Liliaceae). III. The mode of meiosis. Cytologia 45: 809–817. | ||
| ! | Chenopodium album var. lanceolatum (Muhl.) Coss. & Germ. | Chenopodium album L. | 54 | IPCN67-71 | KEENER, c.s. 1970. Documented plant chromosome numbers. 70: 1. Sida 3: 533-536. | ||
| ! | Chenopodium album var. lanceolatum (Muhl.) Coss. & Germ. | Chenopodium album L. | 54 | IPCN67-71 | BASSETT, I.J., & C.W. CROMPTON. 1971. In IOPB chromosome number reports XXXIV. Taxon 20: 785-797"":" | ||
| Chenopodium album var. missouriense (Aellen) Bassett & Crompton | Chenopodium album L. | 27 | IPCN online | Bassett, I. J. & C. W. CROMPTON. 1982. The genus Chenopodium in Canada. Canad. J. Bot. 60: 586–610. | |||
| Chenopodium album var. stevensii Aellen | Chenopodium album L. | 27 | IPCN online | Bassett, I. J. & C. W. CROMPTON. 1982. The genus Chenopodium in Canada. Canad. J. Bot. 60: 586–610. | |||
| ! | Chenopodium album var. stevensii Aellen | Chenopodium album L. | 54 | IPCN67-71 | KEENER, c.s. 1970. Documented plant chromosome numbers. 70: 1. Sida 3: 533-536. | ||
| ! | Chenopodium borbasii F. Murr | Chenopodium album L. | 54 | IAPT/IOPB | |||
| ! | Chenopodium borbasii F. Murr | Chenopodium album L. | 18 | IAPT/IOPB | |||
| ! | Chenopodium diversifolium var. montuosum F. Dvořák | Chenopodium album L. | 54 | IPCN online | Dvo|3rák, F. 1993. Studies on some hybrids from Chenopodium album agg. Feddes Repert. 104: 1–16. | ||
| ! | Chenopodium lanceolatum Muhl. ex Willd. | Chenopodium album L. | 36, 54 | IPCN online | Dvo|3rák, F. 1993. Studies on some hybrids from Chenopodium album agg. Feddes Repert. 104: 1–16. | ||
| ! | Chenopodium lanceolatum R. Br. | Chenopodium album L. | 54 | IPCN online | Dvorak, F. 1987. Study of Chenopodium diversifolium (Aellen) Dvorak and of some hybrids with this species. Scripta Fac. Sci. Nat. Univ. Purkyn. Brun. 17: 401–446. | ||
| ! | Chenopodium missouriense Aellen | Chenopodium album L. | 54 | Kamari Mediterranean | |||
| ! | Chenopodium missouriense Aellen | Chenopodium album L. | 54 | Fedorov, 1974 | Kjellmark 1934 | ||
| ! | Chenopodium missouriense Aellen | Chenopodium album L. | 54 | Fedorov, 1974 | Homsher 1963 | ||
| ! | Chenopodium missouriense Aellen | Chenopodium album L. | 54 | Fedorov, 1974 | BOCHMOBH'I 1965 | ||
| ! | Chenopodium missouriense Aellen | Chenopodium album L. | 27 | Cave1963 | Homsher 1963 | ||
| Chenopodium pedunculare Bertol. | Chenopodium album L. | 54 | IAPT/IOPB | IAPT/IOPB Chromosome Data 27 | |||
| Chenopodium probstii Aellen | Chenopodium album L. | 54 | Slovakia Database | Schwarzová T., 1986: Chromosome numbers of some species of the genus Chenopodium L. from localities in Czechoslovakia. - Acta Fac. Rerum Nat. Univ. Comen., Bot. 33: 37-40. | |||
| Chenopodium probstii Aellen | Chenopodium album L. | 54 | IAPT/IOPB | IAPT/IOPB Chromosome Data 1 | |||
| ! | Chenopodium probstii Aellen | Chenopodium album L. | 54 | flora of NW Europe | http://wbd.etibioinformatics.nl/bis/flora.php?selected=beschrijving&menuentry=soorten&id=1818 | ||
| ! | Chenopodium probstii Aellen | Chenopodium album L. | 54 | Kamari Mediterranean | |||
| Chenopodium probstii Aellen | Chenopodium album L. | 54 | IPCN online | Schwarzová, T. 1986. Chromosome numbers of some species of the genus Chenopodium L. from localities in Czechoslovakia. Acta Fac. Rerum Nat. Univ. Comenianae, Bot. 33: 37–40. | |||
| Chenopodium probstii Aellen | Chenopodium album L. | 54 | IPCN online | Rahiminejad, M. R. & R. J. Gornall. 2004. Flavonoid evidence for allopolyploidy in the Chenopodium album aggregate (Amaranthaceae). Pl. Syst. Evol. 246: 77–87. | |||
| Chenopodium probstii Aellen | Chenopodium album L. | 54 | IPCN online | Rahiminejad. 2006. IAPT/IOPB chromosome data 1. Taxon 55(2): 444–445. | |||
| ! | Chenopodium probstii Aellen | Chenopodium album L. | 54 | Fedorov, 1974 | Kjellmark 1934 | ||
| ! | Chenopodium probstii Aellen | Chenopodium album L. | 54 | Fedorov, 1974 | BOCHMOBH'I 1965 | ||
| Chenopodium probstii Aellen | Chenopodium album L. | 54 | IAPT/IOPB | IAPT/IOPB Chromosome Data 19 | |||
| Chenopodium probstii Aellen | Chenopodium album L. | 54 | IAPT/IOPB | IAPT/IOPB Chromosome Data 27 | |||
| ! | Chenopodium probstii Aellen | Chenopodium album L. | 54 | Automatic manuscript search | M. Baltisberger. 2011. "IAPT/IOPB chromosome data 11". Taxon 60:n. pag. | ||
| ! | Chenopodium reticulatum Aellen | Chenopodium album var. reticulatum (Aellen) Uotila | 54 | British Isles cytology | Cole, M.J. Watsonia 5: 117-122 (1962) | ||
| ! | Chenopodium reticulatum Aellen | Chenopodium album var. reticulatum (Aellen) Uotila | 27 | 54 | Cave1962 | Cole 1962 | |
| Chenopodium viride L. | Chenopodium album L. | 18 | IPCN online | Pogan, E. 1980. Further studies in chromosome numbers of Polish Angiosperms. Acta Biol. Cracov., Ser. Bot. 22: 129–153. | |||
| Chenopodium viride L. | Chenopodium album L. | 9 | 18 | IPCN67-71 | HAMET-AHTI L. & v. VIRRANKOSKI. 1970. Chromosome numbers of some vascular plants of north Finland. Ann. Bot. Fenn. 7: 177. | ||
| Chenopodium viride L. | Chenopodium album L. | 18 | Fedorov, 1974 | Kjellmark 1934 | |||
| Chenopodium viride L. | Chenopodium album L. | 18 | Fedorov, 1974 | Cole 1962 | |||
| Chenopodium viride L. | Chenopodium album L. | 18 | Cave1962 | Cole 1961, 1962 | |||
| ! | Chenopodium vulgare Gueldenst. ex Ledeb. | Chenopodium album L. | 20+1B | IPCN online | Parfenov, V. I. & S. A. Dmitrieva. 1988. Pervichnyj citogeneticheskij monitoring flory Belorussii. Izv. Akad. Nauk Azerbajdzansk. SSR, Ser. Biol. Nauk 6: 8–11. | ||
| ! | Chenopodium zobelii Murr ex Asch. & Graebn. | Chenopodium album L. | 54 | Fedorov, 1974 | Giusti 1964 |