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CCDB → Angiosperms → Compositae → Sonchus → Sonchus oleraceus (L.) L.

195 chromosome counts in Sonchus oleraceus (L.) L.:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	Slovakia Database	Májovský J. et al., 1974a: Index of chromosome numbers of Slovakian flora (Part 3). - Acta Fac. Rerum Nat. Univ. Comen., Bot. 22: 1-20.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	Slovakia Database	Leskovjanská A., 2007: [New records in Cirsium, Eupatorium, Lapsana, Leontodon, Medicago, Melilotus, Plantago, Salvia, Senecio, Silene, Sonchus, Tanacetum, Thlaspi, Trifolium, and Veronica], pp. 195, 251, 355, 359, 384, 387, 453, 518, 536, 549, 555, 568, 582, 592, 603. - In: Marhold K., Mártonfi P., Mereďa P. jun., Mráz P. (eds), Chromosome number survey of the ferns and flowering plants of Slovakia. Veda, Bratislava.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.	16		IAPT/IOPB	IAPT/IOPB Chromosome Data 12
!		Sonchus asper P. Gaertn. & al.	Sonchus oleraceus (L.) L.		18	British Isles cytology	Edmonds, J.M., Sell, P.D., Walters, S.M. Watsonia 10: 159-161 (1974)
!		Sonchus asper P. Gaertn. & al.	Sonchus oleraceus (L.) L.		18	British Isles cytology	Edmonds, J.M., Sell, P.D., Walters, S.M. (1973)
!		Sonchus asper P. Gaertn. & al.	Sonchus oleraceus (L.) L.		18	British Isles cytology	Jones, K. (1969)
!		Sonchus asper P. Gaertn. & al.	Sonchus oleraceus (L.) L.		18	British Isles cytology	Rutland, J.P. New Phytol. 40: 210-214 (1941)
!		Sonchus asper P. Gaertn. & al.	Sonchus oleraceus (L.) L.		18	British Isles cytology	Barber, H.N. Ann. Bot. (London), n.s. 5: 375-377 (1941)
!		Sonchus asper P. Gaertn. & al.	Sonchus oleraceus (L.) L.		18	British Isles cytology	Curran, P.L. Irish Naturalists' J. 16: 7-9 (1968)
!		Sonchus asper P. Gaertn. & al.	Sonchus oleraceus (L.) L.		ca 18	British Isles cytology	Jones, K. (1969)
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	British Isles cytology	Edmonds, J.M., Sell, P.D., Walters, S.M. Watsonia 10: 159-161 (1974)
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	British Isles cytology	Rutland, J.P. New Phytol. 40: 210-214 (1941)
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	British Isles cytology	Curran, P.L. Irish Naturalists' J. 16: 7-9 (1968)
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	British Isles cytology	Al-Bermani, A.-K.K.A., Al-Shammary, K.I.A., Bailey, J.P., Gornall, R.J. Watsonia 19: 269-271 (1993)
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	British Isles cytology	Barber, H.N. Ann. Bot. (London), n.s. 5: 375-377 (1941)
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		25	British Isles cytology	Barber, H.N. Ann. Bot. (London), n.s. 5: 375-377 (1941)
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	Flora Iberica	Nmeros cromosomticos de plantas occidentales, 169-175. Pajarn Sotomayor, S.Anales Jard. Bot. Madrid38(2): 519-522(1982).
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.	16		Flora Iberica	Nmeros cromosmicos para la flora espaola, 404-408. Gallego Cidoncha, M. J.Lagascalia13(2): 311-313(1985).
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.	16	32	Flora Iberica	Palynological and cytological observations in Spanish Sonchus (Asteraceae). Mejas, J. A. & M. J. Dez.Grana32: 343-347(1993).
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	Flora Iberica	Studies on the flora of the Balearic Islands, I. Dahlgren, R., Th. Karlsson & P. Lassen.Bot. Not.124: 249-269(1971).
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	flora of NW Europe	http://wbd.etibioinformatics.nl/bis/flora.php?selected=beschrijving&menuentry=soorten&id=3909
!		Sonchus asper Hall ex G. Gaertn. & B. Mey. & Scherb.	Sonchus oleraceus (L.) L.		18	flora of NW Europe	http://wbd.etibioinformatics.nl/bis/flora.php?selected=beschrijving&menuentry=soorten&id=3910
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	Flora Europaea	Rodriguez, 1953
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		36	Poland Database	Walter R. and Kuta E. 1971. Cytological and embryological studies in Sonchus L. I. Sonchus asper (L.) Hill, and Sonchus oleraceus L. Acta Biol. Cracov. Ser. Bot. 14, 103-109.
!		Sonchus oleraceus var. oleraceus	Sonchus oleraceus (L.) L.		18(1)	Asteracea	Probatova et al. 1998
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.	16(1)	32, 36(1, 1)	Asteracea	Walter & K. 1971 Acta Biol. Cracov. ser. Bot.
!		Sonchus oleraceus var. triangularis Wallr.	Sonchus oleraceus (L.) L.		32(1)	Asteracea	Fernandes ＆ Q. 1971 Bol. Soc. Brot. (ser. 2), Coimbra
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		25(1)	Asteracea	Barber 1941b Ann. Bot.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		18(1)	Asteracea	Renard et al. 1983 Bull. Jard. Bot. Nat. Belg.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.	16		IPCN65	Mehra et al. 1965
!		Sonchus angustissimus Hook.	Sonchus oleraceus (L.) L.		18	IPCN online	Renard, R., J. Lambinon, M. Reekmans, P. v. Veken & M. Govaert. 1983. Nombres chromosomiques de quelques Angiospermes du Rwanda, du Burundi et du Kenya. Bull. Jard. Bot. Nat. Belg. 53: 342–371.
!		Sonchus angustissimus Hook.	Sonchus oleraceus (L.) L.		18	IPCN online	Morton, J. K. 1993. Chromosome numbers and polyploidy in the flora of Cameroon Mountain. Opera Bot. 121: 159–172.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.	16		IPCN online	Razaq, Z. A., S. Khatoon & S. I. Ali. 1988. A contribution to the chromosome numbers of Compositae from Pakistan. Pakistan J. Bot. 20: 177–189.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	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.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.	16		IPCN online	Gallego Cidoncha, M. J. 1985. Números 404-408, in Números cromosómicos para la flora española. 363-434. Lagascalia 13: 311–313.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.	18		IPCN online	Gupta, R. C. & R. K. Garg. 1987. SOCGI plant chromosome number reports -- IV [i.e., V]. J. Cytol. Genet. 22: 162–163.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	IPCN online	Nazarova, E. A. 1984. Chromosome numbers in the Caucasian representatives of the families Asteraceae, Brassicaceae, Fabaceae, Limoniaceae. Bot. Zhurn. SSSR 69(7): 972–975. (In Russian).
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	IPCN online	Guerra, M. d. S. 1986. Citogenetica de Angiospermas coletadas en Pernambuco, I. Revista Brasil. Genét. 9: 21–40.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32, 64	IPCN online	Hiremath, B. S. & M. S. Chennaveeraiah. 1985. Cytological studies in Sonchus oleraceous Linn. Proc. Indian Acad. Sci., Pl. Sci. 95: 373–377.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	IPCN online	Nazarova, E. A. 1989. Karyological and palynological study of representatives of the genus Sonchus from the Caucasus. Bot. Žhurn. (Moscow & Leningrad) 74: 53–59.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	IPCN online	Nishikawa, T. 1984. Chromosome counts of flowering plants of Hokkaido (7). J. Hokkaido Univ. Educ., Sect. 2B 35: 31–42.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.	16		IPCN online	Husaini, S. W. H. & G. A. Iwo. 1990. Cytology of some weedy species of the family Compositae (Asteraceae) from Jos Plateau, Nigeria. Feddes Repert. 101: 49–62.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.	16	32	IPCN online	Mathew, A. & P. M. Mathew. 1988. Cytological studies on the south Indian Compositae. Glimpses Pl. Res. 8: 1–177.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.	16		IPCN online	Gupta, R. C. & B. S. Gill. 1989. Cytopalynology of north and central Indian Compositae. J. Cytol. Genet. 24: 96–105.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.	18		IPCN online	Gupta, R. C., B. S. Gill & R. K. Garg. 1989. Chromosomal conspectus of western Himalayan Compositae. Aspects Pl. Sci. 11: 427–437.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	IPCN online	Parfenov, V. I. & S. A. Dmitrieva. 1988. Kariologicheskaja kharakteristika predstavitelej flory sosudistykh rastenij Berezinskogo biosfernogo zapovednika. Zapov. Belorussii Issl. 12: 3–8.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	IPCN online	Pangua, E., C. Prada, S. Pajaron & E. Salvo. 1992. A new Asplenium hybrid from Valencia (Spain) related to A. majoricum Litard. Bot. J. Linn. Soc. 108(1): 1–13.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	IPCN online	Lavrenko, A. N. & N. P. Serditov. 1991. Chromosome numbers in some plant species from the south-west of the Komi ASSR. Bot. Žhurn. (Moscow & Leningrad) 76: 769–771.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	IPCN online	Kiehn, M., E. Vitek, E. Hellmayr, J. Walter, J. Tschenett, C. Justin & M. Mann. 1991. Beiträge zur Flora von Österreich: Chromosomenzählungen. Verh. Zool.-Bot. Ges. Wien 128: 19–39.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	IPCN online	Al-Bermani, A. K. K. A., K. I. A. Al-Shammary, R. J. Gornall & J. P. Bailey. 1993. Contribution to a cytological catalogue of the British and Irish flora, 3. Watsonia 19: 169–171.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	IPCN online	Xu, B. s., R. f. Weng & M. z. Zhang. 1992. Chromosome numbers of Shanghai plants I. Invest. Stud. Nat. 12: 48–65.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	IPCN online	Díaz Lifante, Z., T. Luque & C. S. Bárbara. 1992. Chromosome numbers of plants collected during Iter Mediterraneum II in Israel. Bocconea 3: 229–250.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.	16		IPCN online	Gill, L. S. & D. I. Omoigui. 1992. Chromosome numbers in some Nigerian Compositae. Compositae Newslett. 20/21: 12–15.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	IPCN online	Oberprieler, C. & R. Vogt. 1993. Chromosome numbers of north African phanerogams. II. Willdenowia 23: 211–238.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.	16		IPCN online	Razaq, Z. A., A. A. Vahidy & S. I. Ali. 1994. Chromosome numbers in Compositae from Pakistan. Ann. Missouri Bot. Gard. 81: 800–808.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	IPCN online	Probatova, N. S., E. G. Rudyka & A. P. Sokolovskaya. 1996. Chromosome numbers in synanthropic plants from the Russian Far East. Bot. Žhurn. (Moscow & Leningrad) 81(5): 98–101.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.	16	32	IPCN online	Malallah, G. A. & G. Brown. 1999. Determination of chromosome number of Kuwaiti flora I. Cytologia 64: 181–196.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	IPCN online	Vogt, R. & A. Aparicio. 1999. Chromosome numbers of plants collected during Iter Mediterraneum IV in Cyprus. Bocconea 11: 117–169.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.	16II		IPCN online	Carr, G. D., R. M. King, A. M. Powell & H. Robinson. 1999. Chromosome numbers in Compositae. XVIII. Amer. J. Bot. 86(7): 1003–1013.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	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.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	IPCN online	Lövkvist, B. & U. M. Hultgård. 1999. Chromosome numbers in south Swedish vascular plants. Opera Bot. 137: 1–42.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.	16	32	IPCN online	Peng, C. i. & C. c. Hsu. 1978. Chromosome numbers in Taiwan Compositae. Bot. Bull. Acad. Sin. 19: 53–66.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.	]	32	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.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	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.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.	18	36	IPCN online	Van Loon, J. C. 1980. In Chromosome number reports LXIX. Taxon 29: 718–720.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.	18	32	IPCN online	Jansen, R. K. & T. F. Stuessy. 1980. Chromosome counts of compositae from Latin America. Amer. J. Bot. 76: 585–594.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.	16	32	IPCN online	KLIPHUIS, E. & J. H. Wieffering. 1979. In IOPB chromosome number reports LXIV. Taxon 28:398–400.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.	16	32	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.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.	10		IPCN online	Sun, B. y., M. R. Sul, J. A. Im, C. H. Kim & T. J. Kim. 2002. Evolution of endemic vascular plants of Ulleungdo and Dokdo in Korea---floristic and cytotaxonomic characteristics of vascular flora of Dokdo. Korean J. Pl. Taxon. 32: 143–158.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	IPCN online	Nazarova, E. A. 1975. Chromosome numbers of some species of Armenian flora. Biol. Zurn. Armen. 28(1): 95–97.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	IPCN online	Peng, C. i. & C. c. Hsu. 1977. In IOPB chromosome number reports LVIII. Taxon 26: 557–565.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.	9		IPCN online	Sharma, A. K. 1970. Annual report, 1967-1968. Res. Bull. Univ. Calcutta Cytogenetics Lab. 2: 1–50.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.	16		IPCN online	Tomb, A. S., K. L. Chambers, D. W. KYHOS, A. M. Powell & P. H. RAVEN. 1978. Chromosome numbers in the Compositae XIV. Lactuceae. Amer. J. Bot. 65: 717–721.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.	16		IPCN online	Koul, A. K., A. K. Wakhlu & J. L. KARIHALOO. 1976a. Chromosome numbers of some flowering plants of Jammu (western Himalayas). II. CIS Chromosome Inform. Serv. 20: 32–33.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	IPCN online	Gemeinholzer. 2005. New chromosome counts for some Lactuceae (Compositae). Compositae Newslett. 42: 43–46.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	IPCN online	Kamel. 2004. Cytotaxonomical investigations of the Egyptian Compositae (Asteraceae): I---Cardueae and Cichorieae. Compositae Newslett. 41: 9–28.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	IPCN online	Probatova. 2006. Further chromosome studies on vascular plant species from Sakhalin, Moneron and Kurile Islands. Biodivers. Biogeogr. Kuril Islands Sakhalin 2: 93–110.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.	16		IPCN72	ALAM, s. 1972. Morphology, cytology, crossability and herbicide reaction of Sonchus arvensis L., ~- oleraceus L., and their hybrids. Bangladesh J. Bot. 1: 179-184.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.	18		IPCN72	HSIEH, T-S., A.B. SCHOOLER, A. BELL, J.D. NALEWAJA. 1972. Cytotaxonomy of three Sonchus species. Amer. J. Bot. 59: 789-796.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	IPCN67-71	CURRAN, P.L. 1968. Chromosome numbers of sone Irish plants. Irish Naturalists' J. 16: 7-9.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	IPCN67-71	LEVEQUE, M., & R. GORENFLOT. 1969. Prospections caryologiques dans la flore littorale du Boulonnais. Bull. soc. Bot. Nord France 22: 27-58.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.	16		IPCN67-71	POWELL, A.M., & R.M. KING. 1969. Chromosome numbers in the Compositae: West Indian species. Sida 3: 319-320.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	IPCN67-71	TORRES, A.M., & A.H. LIOGIER. 1970. Chromosome numbers of Dominican Compositae. Brittonia 22: 240-245.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	IPCN67-71	BORGEN L. 1970. Chromosome numbers of Macaronesian flowering plants. Nytt Mag. Bot. 17: 145-161.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.	16		IPCN67-71	HSU, c.-c. 1970. Preliminary chromosome studies on the vascular plants of Taiwan (III) The aster family, Compositae. Taiwania 15: 17-29.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	IPCN67-71	KUZMANOV, B.A., & S.I. KOZUHAROV. 1970. In IOPB chromosome number reports XXVI. Taxon 19: 264-269.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		18	IPCN67-71	OHNO, R. 1971. Chromosome studies in some species of the phanerogamous plants. Seibutsu Kyozai Kikonai Marine Biol. Lab. Hokkaido Univ. Educ. S: 69-71.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.	9		IPCN67-71	SHARMA, A., & A.K. SARKAR (Editors). 1967-68. Chromosome number reports of plants in Annual Report, Cytogenetics Laboratory, Department of"li"otany, University of Calcutta. The Research Bulletin. 2: 38-Q8.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	IPCN67-71	VAN LOON, J.C., T.W.J. GADELLA, & E. KLIPHUIS. 1971. Cytological studies in some flowering plants from Southern France. Acta Bot. Neerl. 20: 157-166.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.	16	32	IPCN67-71	WALTER, R., & E. KUTA. 1971. Cytological and embryological studies in Sonchus L. I. Sonchus asper (L.) Hill. and Sonchus oleraceus L. Acta Biol. Cracov., Ser. Bot. 14: 103-109.
!		Sonchus oleraceus var. triangularis Wallr.	Sonchus oleraceus (L.) L.		32	IPCN67-71	FERNANDES, A., & M. QUEIROS. 1971. Contribution a la connaissance cytotaxinomique des Spermatophyta du Portugal. II Compositae Bol. soc. Brot. 45 (ser. 2l: 5-122.
!		Sonchus oleraceus subsp. oleraceus	Sonchus oleraceus (L.) L.		16	Love, 1948	Marchal 1920. Erlandsson (L. & L. 1942 b).
!		Sonchus oleraceus subsp. oleraceus	Sonchus oleraceus (L.) L.		32	Love, 1948	Barber 1941, Rutland 1941.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	IPCN73-74	NORDENSTAM, B. 1972. Chromosome numbers in some Compositae from Egypt. Bot. Notiser 125: 393-396.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.	16		IPCN73-74	TURNER, B.L;, A.M. POWELL, & T.J. WATSON, JR. 1973. Chromosome numbers in Asteraceae. Amer. J. Bot. 60: 592-596.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	IPCN73-74	DAHLGREN, R., TH. KARLSSON, & P. LASSEN. 1971. Studies on the flora I < the Balearic Islands. I. Chromosome numbers in Balearic angiosperms. sot. Notiser 124: 249~269.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	IPCN73-74	EDMONDS, J.M., P.O. SELL, & S.M. WALTERS. 1974. Some British chromosome counts in the Compositae sub-family Cichorioideae. Watsonia 10: 159-161.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.	16		IPCN73-74	CHAACK, C.G., J.T. WITHERSPOON, & T.J. WATSON. 1974. In IOPB chromosome number reports XLV. Taxon 23: 619-624.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	IPCN73-74	STRID, A. 1971. Chromosome numbers in some Albanian angiosperms. Bot. Notiser 124: 490-496.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	IPCN73-74	MAJOVSKY, J., ET AL. 1974. Index of chromosome numbers of Slovakian flora. (Part 3). Acta Fac. Rerum Nat. Univ. Comenianae Bot. 22: 1-20.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		16	Kumar, 1987	Marchal, E. 1920; Tischler, G. 1934, 1937 ; Rohweder, H. 1937 ; Erlandsson (Love, A. & Love, D. 1942b)
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		18	Kumar, 1987	Sharma, A. & Sarkar, A.K. 1967-1968; Ohno, R. 1971
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	Kumar, 1987	Ishikawa, M. 1916; Cooper, D.C. & Mahony, K.L. 1935; Barber, H.N. 1941 ; Rutland, J.P. 1941; Heiser, C.B. & Whitaker, T.W. 1948; P6lya, L. 1949 ; Stebbins, G.L. et al. 1953; Jinno, T. 1956; Mulligan, G.A. 1957; Nisioka, T. 1958 ; Henin (Boulos, L. 1960) ; Larsen, K. 1960b ; Mehra, P.N. & Sidhu, S.S. 1960 ; Turner, B.L., Ellison, W.L. & King, R. 1961 ; Koul, M.L.H. 1964a ; Mehra, P.N. et al. 1965 ; Curran, P.L. 1968; Leveque, M. & Gorenflot, R. 1969 ; Powell, A.M. & King, R.M. 1969b ; Borgen, L. 1970; Hsu,, C.-C. 1970; Kuzmanov, B.A. & Kozuharov, S.I. 1970; Torres, A.M. & Liogier, A.H. 1970 ; Dahlgren, R. et al. 1971 ; Strid, A. 1971 ; Van Loon, J.C. et al. 1971 ; Walter, R. & Kuta, E. 1971 ; Alam, S. 1972; Nordenstam, B. 1972; Roux, P.J. & Boulos, L. 1972; Turner, B.L. et al. 1973 ; Edmonds, J.M. et al. 1974; Remanandan, P. & Mehra, P.N. 1974 ; Schaack, C.G. et al. 1974 ; Peng, C.-I. & Hsu, C.-C. 1977, 1978 ; Tomb, A.S. et al. 1978 ; Kliphuis, E. & Wieffer- ing, J.H. 1979 ; Gill, B.S., Gupta, R.C. & Kaur, S. 1980; Jansen R.K. & Stuessy, J.F. 1980; Van Loon, J. Chr. 1980
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		36	Kumar, 1987	Hsieh, T.-S. et al. 1972; Bir, S.S. & Sidhu, M. 1980
!		Sonchus oleraceus subsp. oleraceus	Sonchus oleraceus (L.) L.		25	Kumar, 1987	Barber, H.N. 1941
!		Sonchus asper P. Gaertn. & al.	Sonchus oleraceus (L.) L.		18	eFlora
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32,36	eFlora
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		16	Fedorov, 1974	Marchal 1920
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		16	Fedorov, 1974	Ti~chler 1934, 19:17
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		16	Fedorov, 1974	Rohweder 1937
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		16	Fedorov, 1974	Erlandsson (Love A., Love D. 1942b)
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	Fedorov, 1974	Ishikawa 1916
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	Fedorov, 1974	Cooper D. C., Mahony 1935
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	Fedorov, 1974	Barber 1941b
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	Fedorov, 1974	Rutland 1941
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	Fedorov, 1974	Heiser, Whitaker 1948
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	Fedorov, 1974	Polya 1949
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	Fedorov, 1974	Stebbins et al. 1953
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	Fedorov, 1974	Jinno 1956b
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	Fedorov, 1974	Mulligan 1957
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	Fedorov, 1974	Nisioka 1958
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	Fedorov, 1974	Henin (Boulos 1960)
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	Fedorov, 1974	Larsen 1960b
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	Fedorov, 1974	Turner, Ellison, King 1961
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	Fedorov, 1974	Koul M. t. 1964a
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	Fedorov, 1974	Mehra P. N. et al. 1965
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	Darlington, 1955	Stebbins et al. 1953
!		Sonchus asper Hall ex G. Gaertn. & B. Mey. & Scherb.	Sonchus oleraceus (L.) L.		18	Darlington, 1955	Stebbins et al. 1953
!		Sonchus oleraceus subsp. oleraceus	Sonchus oleraceus (L.) L.		(16	Darlington, 1955	Barber 1941b nat. hybrid
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	IAPT/IOPB	IAPT/IOPB Chromosome Data 18
!		Sonchus oleraceus subsp. oleraceus	Sonchus oleraceus (L.) L.		32	C-values database	Band SR. (pers. comm. 1984).
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		2n = 32	Austria_checklist	Kiehn, M., Vitek, E., Hellmayr, E. et al. 1991. Beitr?ge zur Flora von ?sterreich: Chromosomenz?hlungen. Verh.Zool.-Bot.Ges.?sterreich 128, 19-39.°
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.	16		Cave1956	Jinno a
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	Cave1957	Mulligan
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	Cave1958	Nisioka 1958
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.	9	0	CromoCat 2015	Sharma, A. K. (1970). Annual report, 1967-1968 Res. Bull. Univ. Calcutta (Cytogenetics Lab.) 2: 1-50
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.	18		CromoCat 2015	Gupta, R. C., Gill, B. S. & Garg, R. K. (1989). Chromosomal conspectus of western Himalayan Compositae. Aspects Pl. Sci. 11: 427-437
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.	18	0	CromoCat 2015	Jansen, R. K. & Stuessy, T. F. (1980). Chromosome counts of compositae from Latin America. Amer. J. Bot. 76: 585–594.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.	16II		CromoCat 2015	Carr, G. D., King, R. M., Powell, A. M. & Robinson, H. (1999). Chromosome numbers in Compositae. XVIII Amer. J. Bot. 86: 1003-1013.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.	16		CromoCat 2015	Carr, G. D., King, R. M., Powell, A. M. & Robinson, H. (1999). Chromosome numbers in Compositae. XVIII Amer. J. Bot. 86: 1003-1013.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.	16		CromoCat 2015	Gallego, M. J. (1985). Números cromosómicos para la flora española, 404-408. Lagascalia 13(2): 311-313.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.	16		CromoCat 2015	Hsu, C. -C. (1970). Preliminary chromosome studies on the vascular plants of Taiwan (III). The aster family, Compositae. Taiwania 15: 17-29.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.	16		CromoCat 2015	Mehra, P. N., B. S. Gill, J. K. Mehta & S. S. Sidhu. (1965a). Cytological investigations on the Indian Compositae. I. North Indian taxa. Caryologia 18: 35-68.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.	16		CromoCat 2015	Mejías, J. A. & M. J. Díez. (1993). Palynological and cytological observations in Spanish Sonchus (Asteraceae). Grana 32: 343-347.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.	16		CromoCat 2015	Powell, A. M. & R. M. King. (1969a). Chromosome numbers in the Compositae: West Indian species. Sida 3: 319-320.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.	16		CromoCat 2015	Razaq, Z. A., S. Khatoon & S. I. Ali. (1988). A contribution to the chromosome numbers of Compositae from Pakistan. Pak. J. Bot. 20: 177-189.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.	16		CromoCat 2015	Roux, J. & L. Boulos. (1972). Révision systématique du genre Sonchus L. s. l. II. Étude caryologique. Bot. Not. 125: 306-309.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.	16		CromoCat 2015	Schaack, C. G., J. T. Witherspoon & T. J. Watson. (1974). Reports [In Löve, A. (ed.), IOPB chromosome numbers reports XLV]. Taxon 23(4): 622-623.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.	16		CromoCat 2015	Walter, R. & E. Kuta. (1971). Cytological and embryological studies in Sonchus L. I. Sonchus asper (L.) Hill and Sonchus oleraceus L. Acta Biol. Cracov., Ser. Bot. 14: 103-109.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.	16	0	CromoCat 2015	Bala, S. & Gupta, R. C. (2011). IAPT/IOPB Chromosome Data 12 Taxon 60:1784-1786
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.	10	0	CromoCat 2015	Sun, B. y., M. R. Sul, J. A. Im, C. H. Kim & T. J. Kim. (2002). Evolution of endemic vascular plants of Ulleungdo and Dokdo in Korea—floristic and cytotaxonomic characteristics of vascular flora of Dokdo. Korean J. Pl. Taxon. 32: 143–158.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.	0	32	CromoCat 2015	Gemeinholzer (2005). New chromosome counts for some Lactuceae (Compositae). Compositae Newslett. 42: 43–46.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.	0	32	CromoCat 2015	Jansen, R. K. & Stuessy, T. F. (1980). Chromosome counts of compositae from Latin America. Amer. J. Bot. 76: 585–594.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.	0	32	CromoCat 2015	Kamel (2004). Cytotaxonomical investigations of the Egyptian Compositae (Asteraceae): I—Cardueae and Cichorieae. Compositae Newslett. 41: 9–28.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.	0	32	CromoCat 2015	Probatova. (2006). Further chromosome studies on vascular plant species from Sakhalin, Moneron and Kurile Islands. Biodivers. Biogeogr. Kuril Islands Sakhalin 2: 93–110.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	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.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	CromoCat 2015	Auquier, P. & Renard, R. (1975). Nombres chromosomiques de quelques Angiospermes du Rwanda, Burundi et Kivu (Zaïre). I. Bull. Jard. Bot. Natl. Belgique 45: 421-445.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	CromoCat 2015	Barber, H. N. (1941a). Spontaneus hybrids between Sonchus asper and S. oleraceus. Ann. Bot. (London) 5: 375-377.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	CromoCat 2015	Borgen, L. (1970). Chromosome numbers of Macaronesian flowering plants. Nytt Mag. Bot. 17: 145-164.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	CromoCat 2015	Cooper, D. C. & Mahony, K. L. (1935). Cytological observations on certain Compositae. Amer. J. Bot. 22: 843-848.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	CromoCat 2015	Curran, P. L. (1968). Chromosome numbers of some Irish plants. Irish Naturalists' J. 16: 7-9.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	CromoCat 2015	Dahlgren, R., Karlsson, Th. & Lassen, P. (1971). Studies on the Flora of the Balearic Islands, I. Chromosome numbers in Balearic Angiosperms. Bot. Not. 124(1): 249-269.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	CromoCat 2015	Dalgaard, V. (1986a). Chromosome studies in flowering plants from Macaronesia. Anales Jard. Bot. Madrid 43: 83-111.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	CromoCat 2015	Fernandes, A. & França, F. (1975). Sur les nombres chromosomiques de quelques plantes du Mozambique. Revista Ci. Biol., Sér. A 7: 83-106.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	CromoCat 2015	Ishikawa, M. (1916). A list of the numbers of chromosomes. Bot. Mag., Tokyo 30: 404-448.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	CromoCat 2015	Jinno, T. (1956). On the relation between the chromosomes numbers and the flora growing in the coast of the inland sea in Japan. Jap. J. Genet. 31: 147-150.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	CromoCat 2015	Kiehn, M., Vitek, E., Hellmayr, E., Walter, J., Tschenett, J., Justin, C. & Mann, M. (1991). Beiträge zur Flora von Österreich: Chromosomenzählungen. Verhandlungen der Zoologisch-botanischen Gesellschaft in Wien 128: 19-39
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	CromoCat 2015	Kliphuis, E. & Barkoudah, Y. I. (1977). Chromosome numbers in some Syrian Angiosperms. Acta Bot. Neerl. 26: 239-249.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	CromoCat 2015	Kliphuis, E. & Wieffering, J. H. (1979). Reports [In Löve, A. (ed.), IOPB chromosome numbers reports LXIV]. Taxon 28(4): 398-400.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	CromoCat 2015	Kuzmanov, B. & Kozuharov, S. I. (1970). Reports [In Löve, A. (ed.), IOPB chromosome numbers reports XXVI]. Taxon 19(2): 265-266.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	CromoCat 2015	Kuzmanov, B., Georgieva, S. & Nikolova, M. (1993a). Karyological study of Bulgarian Asteraceae. Vll. Fitologija 44: 16-31.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	CromoCat 2015	Leveque, M. & Gorenflot, R. (1969). Prospections caryologiques dans la flore littorale du Boulonnais. Bull. Soc. Bot. France 22: 27-58.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	CromoCat 2015	Loon van, J. C. (1980b). Reports [In Löve, A. (ed.), IOPB chromosome numbers reports LXIX]. Taxon 29(5): 718-720.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	CromoCat 2015	Loon van, J. C., Gadella, Th. W. J. & Kliphuis, E. (1971). Cytological studies in some flowering plants from Southern France. Acta Bot. Neerl. 20: 157-166.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	CromoCat 2015	Májovsky, J. (1974a). Index of chromosome numbers of Slovakian flora. (Part 3). Acta Fac. Rerum Nat. Univ. Comenianae, Bot. 22: 1-20.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	CromoCat 2015	Mejías, J. A. & M. J. Díez. (1993). Palynological and cytological observations in Spanish Sonchus (Asteraceae). Grana 32: 343-347.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	CromoCat 2015	Mesquita Rodrigues, J. E. (1953). Contribuiçao para o conhecimento cariológico das halófilas e psamófitas litorais. Diss. Univ. Coimbra 1-210
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	CromoCat 2015	Mulligan, G. A. (1957). Chromosome numbers of Canadian weeds. I. Canad. J. Bot. 35: 779-789.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	CromoCat 2015	Nazarova, E. (1984). Chromosome numbers in the Caucasian representatives of the families Asteraceae, Brassicaceae, Fabaceae, Limoniaceae. Bot. Žurn. 69(7): 972-975.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	CromoCat 2015	Nishioka, T. (1958). Karyotype analysis in Japanese Cichorieae. II. Jap. J. Genet. 33: 65-68.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	CromoCat 2015	Nordenstam, B. (1972). Chromosome numbers in some Compositae from Egypt. Bot. Not. 125: 393-396.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	CromoCat 2015	Pajarón Sotomayor, S. (1982). Números cromosomáticos de plantas occidentales, 169-175. Anales Jard. Bot. Madrid 38(2): 519-522.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	CromoCat 2015	Peng, C. -I. (1977). Reports [In Löve, A. (ed.), IOPB chromosome numbers reports LVIII]. Taxon 26(5/6): 562-564.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	CromoCat 2015	Pólya, L. (1949). Chromosome numbers of some Hungarian plants. Acta Geobot. Hung. 6: 124-137.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	CromoCat 2015	Roux, J. & L. Boulos. (1972). Révision systématique du genre Sonchus L. s. l. II. Étude caryologique. Bot. Not. 125: 306-309.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	CromoCat 2015	Rutland, J. P. (1941). The Merton Catalogue. A list of chromosome numbers of British plants. New Phytol. 40(3): 210-214.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	CromoCat 2015	Santos Guerra, M., dos. (1986). Citogenética de Angiospermas colectadas em Pernambuco. I. Brazil. J. Genetics 9: 21-40.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	CromoCat 2015	Torres, A. M. & A. H. Liogier. (1970). Chromosome numbers of Dominican Compositae. Brittonia 22: 240-245.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	CromoCat 2015	Turner, B. L., W. L. Ellison & R. M. King. (1961). Chromosome numbers in the Compositae. IV. North American species, with phyletic interpretations. Amer. J. Bot. 48: 216-223.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	CromoCat 2015	Walter, R. & E. Kuta. (1971). Cytological and embryological studies in Sonchus L. I. Sonchus asper (L.) Hill and Sonchus oleraceus L. Acta Biol. Cracov., Ser. Bot. 14: 103-109.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		36	CromoCat 2015	Belaeva, V. A. & Siplivinsky, V. N. (1977). Chromosome numbers and taxonomy of some species of Baikal flora. III. Bot. Žurn. 62: 1132-1142.
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		64	CromoCat 2015	Hiremath, B. S. & Chennaveeraiah, M. S. (1985). Cytological studies in Sonchus oleraceous Linn. Proceedings of the Indian Academy of Sciences. Plant Sciences 95: 373-377
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		18	IAPT/IOPB	IAPT/IOPB Chromosome Data 25
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.		32	IAPT/IOPB	IAPT/IOPB Chromosome Data 25
!		Sonchus oleraceus (L.) L.	Sonchus oleraceus (L.) L.	24		IAPT/IOPB	IAPT/IOPB Chromosome Data 26