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CCDB → Angiosperms → Compositae → Hieracium → Hieracium umbellatum L.

116 chromosome counts in Hieracium umbellatum L.:

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		Name	Accepted Name	Gametophytic(n)	Sporophytic(2n)	Data Source	reference
		Hieracium umbellatum L.	Hieracium umbellatum L.		27	CHROBASE	SELVI F., FIORINI G. - 1997 (1996). Karyology of Hieracium L. subg. Hieracium (Asteraceae) from Mount Amiata (Central Italy).. Caryologia , 49(3-4): 287-299.
		Hieracium umbellatum L.	Hieracium umbellatum L.		18	Slovakia Database	Májovský J. et al., 1970a: Index of chromosome numbers of Slovakian flora (Part 1). - Acta Fac. Rerum Nat. Univ. Comen., Bot. 16: 1-26.
		Hieracium umbellatum L.	Hieracium umbellatum L.		18	Slovakia Database	Uhríková A. & Feráková V., 1977: [Report], pp. 263. - In: Löve Á. (ed.), IOPB Chromosome number reports LVI, Taxon 26 /2-3.
		Hieracium umbellatum L.	Hieracium umbellatum L.		18	Slovakia Database	Chrtek J. jun., Mráz P. & Severa M., 2004: Chromosome numbers in selected species of Hieracium s. str. (Hieracium subgen. Hieracium) in the Western Carpathians. - Preslia 76/2: 119-139.
		Hieracium umbellatum L.	Hieracium umbellatum L.		18	Slovakia Database	Mráz P., 2003b: Mentor effects in the genus Hieracium s. str. (Compositae, Lactuceae). - Folia Geobotanica 38/3: 345-350.
		Hieracium umbellatum L.	Hieracium umbellatum L.		27	IAPT/IOPB	IAPT/IOPB Chromosome Data 13
		Hieracium umbellatum L.	Hieracium umbellatum L.		18	IAPT/IOPB	IAPT/IOPB Chromosome Data 8
		Hieracium umbellatum L.	Hieracium umbellatum L.		18	IAPT/IOPB
		Hieracium umbellatum L.	Hieracium umbellatum L.		27	IAPT/IOPB
!		Hieracium umbellatum L.	Hieracium umbellatum L.		8	Hieracium	(??) in Tachtadjan, A.L. 1990
!		Hieracium umbellatum L.	Hieracium umbellatum L.		18	Hieracium	Juel 1905; Rosenberg 1927; Christoff & Popoff 1933; Bergman 1934; Turesson 1938; Gentcheff 1941; P?lya 1950; Wulff 1950a; L?vkvist 1962; Sorsa 1962; Sorsa 1963a (one count "ca. 18"); Hedberg & Hedberg 1964; Gadella & Kliphuis 1967; Gadella & Kliphuis 1968b; Laane 1969; M?jovsk? et al. 1970; Skalinska et al. 1971; in Tachtadjan, A.L. 1990; Gadella & Kliphuis 1973; Uhr?kov? & Ferakova 1977; in Tachtadjan, A.L. 1990; Kockx-van Roon & Wieffering 1982; Rostovtseva 1983; Nazarova 1984; Jalas & Pellinen 1985; Dmitrieva 1986; Dmitrieva 1987; Lavrenko & Serditov 1991 (as "aggr."); Mes?cek & Jarol?mov? 1992
!		Hieracium umbellatum L.	Hieracium umbellatum L.		27	Hieracium	Rosenberg 1917; Rosenberg 1927; Bergman 1934; Bergman 1941; Sokolovskaya 1963; Sokolovskaya 1965; Krogulevich 1971; Br, Morton 1974; Belaeva & Siplivinsky 1975; Belaeva & Siplivinsky 1976; Krogulevich 1976; Belaeva & Siplivinsky 1977 in Tachtadjan, A.L. 1990; Guppy 1978; Krogulevich 1978; Jalas & Pellinen 1985; Sokolovskaya & Probatova 1986; Volkova & Boyko 1986; Chinnappa & Chmielevski 1987; Rudyka 1988; Lavrenko et al. 1990
!		Hieracium umbellatum var. scabriusculum (Schwein.) Farw.	Hieracium umbellatum L.		27	Hieracium	Parfitt 1981 (as H. scabriusculum Schwein.); L?ve & L?ve 1982
!		Hieracium umbellatum subsp. umbellatum	Hieracium umbellatum L.		27	Hieracium	Morton 1974
!		Hieracium umbellatum L.	Hieracium umbellatum L.		18	Flora Europaea	Majovsky e t a l . ,
!		Hieracium umbellatum L.	Hieracium umbellatum L.		27	Flora Europaea	Morton, 1974
!		Hieracium umbellatum L.	Hieracium umbellatum L.		27	Flora Europaea	Gadella & Kliphuis
		Hieracium umbellatum L.	Hieracium umbellatum L.		18	Poland Database	Skali?ska M., Jankun A., Wcis?o H. et al. 1971. Studies in chromosome numbers of Polish Angiosperms. Eighth contribution. Acta Biol. Cracov. Ser. Bot. 14, 55-102.
		Hieracium umbellatum L.	Hieracium umbellatum L.		18	Poland Database	Szel?g Z., Vladimirov V. 2005. Chromosome numbers of Polish Hieracia (Asteraceae). Polish Botanical Journal 50, 139-143.
		Hieracium canadense Michx.	Hieracium umbellatum L.	ca.9II+9I(1)		Asteracea	Tomb et al. 1978 Amer. J. Bot.
!		Hieracium umbellatum var. scabriusculum (Schwein.) Farw.	Hieracium umbellatum L.		27(1)	Asteracea	Love ＆ L. 1982a Taxon
		Hieracium umbellatum subsp. umbellatum	Hieracium umbellatum L.		18, 27(1, 3)	Asteracea	Whittington, R. 1994
!		Hieracium acranthophorum Om.	Hieracium umbellatum L.		27(1)	Asteracea	Jorgensen et al. 1958 K. Danske Videnskab. Selskab. Biol. Skrift.
		Hieracium umbellatum L.	Hieracium umbellatum L.	ca.9II+9I(1)		Asteracea	Tom et al. 1978
!		Hieracium umbellatum var. scabriusculum (Schwein.) Farw.	Hieracium umbellatum L.		27(1)	Asteracea	Parfitt 1981 Taxon
		Hieracium scabriusculum Schwein.	Hieracium umbellatum L.	27I(1)	27(1)	Asteracea	Parfitt 1981 Taxon
		Hieracium umbellatum L.	Hieracium umbellatum L.	9(1)	27(1)	Asteracea	Tischler 1934 Bot. Jahrb. (= Plant Diversity & Evolution)
!		Hieracium umbellatum L.	Hieracium umbellatum L.		27	IPCN65	Sokolovskaya 1965
!		Hieracium umbellatum var. scabriusculum (Schwein.) Farw.	Hieracium umbellatum L.		27	IPCN online	Love, A. & H. E. Connor. 1982. Relationships and taxonomy of New Zealand wheat grasses. New Zealand J. Bot. 20: 169–186.
		Hieracium scabriusculum Schwein.	Hieracium umbellatum L.		27	IPCN online	Parfitt, B. D. 1981. ln Chromosome number reports LXXI. Taxon 30: 515–516.
		Hieracium umbellatum L.	Hieracium umbellatum L.		27	IPCN online	Rudyka, E. G. 1988. Chromosome numbers in some vascular plant species from the far east of the USSR. Bot. Žhurn. (Moscow & Leningrad) 73: 294–295.
		Hieracium umbellatum L.	Hieracium umbellatum L.	9		IPCN online	Rostovtseva, T. S. 1983. Chromosome numbers of some species of the family Asteraceae II. Bot. Zhurn. SSSR 68(5): 660–664. (In Russian).
		Hieracium umbellatum L.	Hieracium umbellatum L.		27	IPCN online	Chinnappa, C. C. & J. G. Chmielewski. 1987. Documented plant chromosome numbers 1987: 1. Miscellaneous counts from western North America. Sida 12: 409–417.
		Hieracium umbellatum L.	Hieracium umbellatum L.		18, 27	IPCN online	Jalas, J. & K. Pellinen. 1985. Chromosome counts on Erigeron, Hieracium, Pilosella and Sonchus (Compositae), mainly from Finland. Ann. Bot. Fenn. 22: 45–47.
		Hieracium umbellatum L.	Hieracium umbellatum L.		18	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).
		Hieracium umbellatum L.	Hieracium umbellatum L.		27	IPCN online	Krogulevich, R. E. 1978. Kariologicheskij analiz vidov flory Vostochnogo Sajana. V Flora Pribajkal'ja. 19–48. Nauka, Novosibirsk.
		Hieracium umbellatum L.	Hieracium umbellatum L.		27	IPCN online	Volkova, S. A. & E. V. Boyko. 1986. Chromosome numbers in some species of Asteraceae from the southern part of the Soviet far east. Bot. Zhurn. 71: 1693.
		Hieracium umbellatum L.	Hieracium umbellatum L.		18	IPCN online	Dmitrieva, S. A. 1987. Kariologicheskaja kharakteristika nekotorykh predstaviteley sem. slozhnocvetnykh (Asteraceae Dumort.) flory Belorussii. Botanika (Minsk) 28: 23–33.
		Hieracium umbellatum L.	Hieracium umbellatum L.		18	IPCN online	Dmitrieva, S. A. 1986. Chisla khromosom nekotorych vidov rastenij Berezinskogo Biosfernogo Zapovednika. Zapov. Belorussii Issl. 10: 24–28.
		Hieracium umbellatum L.	Hieracium umbellatum L.		18	IPCN online	Mĕsíček, J. 1992. In J. M|3esí|3ccek & V. Jav@0urková-Jarolímová, List of Chromosome Numbers of the Czech Vascular Plants. Academia, Praha.
		Hieracium umbellatum L.	Hieracium umbellatum L.		18	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.
		Hieracium umbellatum L.	Hieracium umbellatum L.		18+0-1B, 27	IPCN online	Lövkvist, B. & U. M. Hultgård. 1999. Chromosome numbers in south Swedish vascular plants. Opera Bot. 137: 1–42.
		Hieracium umbellatum L.	Hieracium umbellatum L.		18	IPCN online	Mráz, P. 2003. Mentor effects in the genus Hieracium s. str. (Compositae, Lactuceae). Folia Geobot. 38(3): 345–350.
		Hieracium umbellatum L.	Hieracium umbellatum L.		27	IPCN online	Belaeva, V. A. & V. N. SIPLIVINSKY. 1975. Chromosome numbers and taxonomy of some species of Baikal flora. Bot. Žhurn. (Moscow & Leningrad) 60(6): 864–872.
		Hieracium umbellatum L.	Hieracium umbellatum L.		27	IPCN online	Belaeva, V. A. & V. N. SIPLIVINSKY. 1976. Chromosome numbers and taxonomy of some species of Baikal flora. Bot. Žhurn. (Moscow & Leningrad) 61(6): 873–880.
		Hieracium umbellatum L.	Hieracium umbellatum L.		18	IPCN online	Uhrikova, A. & V. Ferakova. 1977. In IOPB chromosome number reports LVI. Taxon 26: 257–274.
		Hieracium umbellatum L.	Hieracium umbellatum L.		27	IPCN online	GUPPY, G. A. 1978. Species relationships of Hieracium (Asteraceae) in British Columbia. Canad. J. Bot. 56: 3008–3019.
		Hieracium umbellatum L.	Hieracium umbellatum L.		27	IPCN online	Krogulevich, R. E. 1971. The role of polyploidy in the genesis of the alpine flora of the Stanovoye Nagorye Mountains. Pp. 115- 214 in The ecology of the flora of the Trans-Baikal region. Irkutsk.
		Hieracium umbellatum L.	Hieracium umbellatum L.		27	IPCN online	Krogulevich, R. E. 1976. Chromosome numbers of plant species from the Tunkinsky Alpes (East Sayan). News Sib. Depart. Acad. Sci. USSR, Ser. Biol. 15(3): 46–52.
		Hieracium umbellatum L.	Hieracium umbellatum L.		27	IPCN online	Krogulevich, R. E. 1978. Karyological analysis of the species of the flora of eastern Sayana. Pp. 19-48 in L. I. Malyshev & G. A. Peshlcova (eds.) Flora of the Prebaikal. Novosibirsk.
		Hieracium umbellatum L.	Hieracium umbellatum L.		18, 27	IPCN online	Kashin, A. S., Y. A. Demotshco & V. S. Martinova. 2003. Caryotype variation in population of apomictic and sexual species of agamic complexes of Asteraceae. Bot. Žhurn. (Moscow & Leningrad) 88(9): 35–51.
		Hieracium umbellatum L.	Hieracium umbellatum L.		27	IPCN online	Volkova, S. A. & D. D. Basargin. 2002. Chromosome numbers of species of Chabarovsk territory flora. Bot. Žhurn. (Moscow & Leningrad) 87(4): 165–167.
		Hieracium umbellatum L.	Hieracium umbellatum L.		18	IPCN online	Kamil. 2006. Notes on chromosome numbers and karyotypes of five species in Hieracium L. s.str. (Asteraceae) from Turkey. Caryologia 59(1): 19–24.
		Hieracium umbellatum L.	Hieracium umbellatum L.		18	IPCN online	Chrtek. 2004. Chromosome numbers in selected species of Hieracium s. str. (Hieracium subgen. Hieracium) in the western Carpathians. Preslia 76(2): 119–139.
		Hieracium umbellatum L.	Hieracium umbellatum L.		18	IPCN online	Krasnikov. 2004. Chromosome numbers of some species of Hieracium and Pilosella (Asteraceae) from Siberia. Bot. Žhurn. (Moscow & Leningrad) 89(1): 132–133.
		Hieracium umbellatum L.	Hieracium umbellatum L.		27	IPCN online	Probatova. 2005. Chromosome numbers of some dicotyledons of the flora of the Amur Region. Bot. Žhurn. (Moscow & Leningrad) 90(5): 779–792.
		Hieracium umbellatum L.	Hieracium umbellatum L.		27	IPCN online	Shatokhina. 2005. Caryological characteristics of the plants in technogenic polluted lands, Erkovetsky open-pit mine, Amur region. Pages 109--111 in Karyology, Karyosystematics and Molecular Phylogeny. St. Petersburg, Russia.
!		Hieracium umbellatum L.	Hieracium umbellatum L.		27	IPCN online	Lavrenko, A. N., N. P. Serditov & Z. G. Ulle. 1990. Chromosome numbers in some species of flowering plants of the Urals (the Komi Autonomous Soviet Socialist Republic). Bot. Žhurn. (Moscow & Leningrad) 75: 1622–1624.
!		Hieracium umbellatum L.	Hieracium umbellatum L.		18	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.
		Hieracium canadense Michx.	Hieracium umbellatum L.		27	IPCN online	Chinnappa, C. C. & J. G. Chmielewski. 1987. Documented plant chromosome numbers 1987: 1. Miscellaneous counts from western North America. Sida 12: 409–417.
		Hieracium canadense Michx.	Hieracium umbellatum L.	ca.9II+9I		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.
		Hieracium umbellatum subsp. umbellatum	Hieracium umbellatum L.		18	IPCN online	Schuhwerk, F. & W. Lippert. 1999. Chromosomenzahlen von Hieracium (Compositae, Lactuceae) Teil 3. Sendtnera 6: 197–214.
		Hieracium umbellatum L.	Hieracium umbellatum L.		18	IPCN67-71	GADELLA, Th. W.J., & E. KLIPHUIS. 1968. Chromosome numbers of flowering plants in the Netherlands IV. Proc. Roy. Netherlands Acad. Sci. ser. C. 71: 168-183.
		Hieracium umbellatum L.	Hieracium umbellatum L.	9		IPCN67-71	LAANE, M.M. 1969. Meiosis and structural hybridity in some Norwegian plant species. Blyttia 27: 141-173.
		Hieracium umbellatum L.	Hieracium umbellatum L.		18	IPCN67-71	MAJOVSKY, J., ET. AL. 1970. Index of chromosome numbers of Slovakian flora (Part 1). Acta Fae. Rerum Nat. Univ. Comenianae Bot. 16.: 1-26.
		Hieracium umbellatum L.	Hieracium umbellatum L.		18	IPCN67-71	GADELLA, Th. W. J., & E. KLIPHUIS. 1967. Chromosome numbers of flowering plants in the Netherlands III. Proc. Roy. Neth. Acad. Sci. Ser. c. 70: 7-20.
		Hieracium umbellatum L.	Hieracium umbellatum L.		18	IPCN67-71	SKALINSKA, M., A. JANKUN, H. WCISLO ET AL. 1971. Studies in chromosome numbers of Polish Angiosperms. Eighth contribution. Acta Biol. Cracov., Ser. Bot. 14: 55-102.
		Hieracium umbellatum L.	Hieracium umbellatum L.		18	IPCN73-74	GADELLA, T.W.J., & E. KLIPHUIS. 1973. Chromosome numbers of flowerinl plants in the Netherlands VI. Proc. Kon. Ned. Acad. Wet., ser. C 76: 303-311.
		Hieracium umbellatum L.	Hieracium umbellatum L.		27	IPCN73-74	LEE, Y.N. 1972. Chromosome number of flowering plants in Korea (4). J. Korean Res. Inst. Better Living 8: 41-51.
!		Hieracium umbellatum subsp. umbellatum	Hieracium umbellatum L.		27	IPCN73-74	MORTON, J.K. 1974. Chromosome numbers of British plants, 3. Watsonia 10: 169.
!		Hieracium umbellatum L.	Hieracium umbellatum L.		17	Kumar, 1987	Nisioka, T. 1958
!		Hieracium umbellatum L.	Hieracium umbellatum L.		18	Kumar, 1987	Juel, H.O. 1905 ; Christoff, M. & Popoff, A. 1933 ; Turesson~ G. 1938 ; Gustafsson, A. 1947a ; Wulff, H.D. 1950 ; Lovkvist, B. 1962 ; Sorsa, V. 1962; Hedberg, I. & Hedberg, O. 1964; Gadella, T.W.J. & Kliphuis, E. 1967, 1968a ; Murin, & Uhrikova (Fedorov) ; Laane, M.M. 1969b ; Majovsk:Y, J. et at. 1970a ; Skaliiiska, M. et at. 1971 ; Uhrikova A. & Ferakova, V. 1977
!		Hieracium umbellatum L.	Hieracium umbellatum L.		18, 27	Kumar, 1987	Rosenberg, O. 1926 ; Tischler, G. 1934 ; Bergman, B. 1935a ; Rohweder, H. 1937
!		Hieracium umbellatum L.	Hieracium umbellatum L.		27	Kumar, 1987	Bergman, B. 1941 ; Sokolovskaya, A.P. (Fedorov) ; Guppy, G.A. 1978
!		Hieracium umbellatum L.	Hieracium umbellatum L.		36	Kumar, 1987	Gustafsson, A. 1947a, b
!		Hieracium umbellatum L.	Hieracium umbellatum L.		54	Kumar, 1987	Rosenberg, O. 1927
!		Hieracium umbellatum L.	Hieracium umbellatum L.		18,27	eFlora
		Hieracium acranthophorum Om.	Hieracium umbellatum L.		27	Fedorov, 1974	Jorgensen et al. 1958
		Hieracium umbellatum L.	Hieracium umbellatum L.		17	Fedorov, 1974	Nisioka 1958 1R Juel1905
		Hieracium umbellatum L.	Hieracium umbellatum L.		17	Fedorov, 1974	Christoff, Popoff 1933
		Hieracium umbellatum L.	Hieracium umbellatum L.		17	Fedorov, 1974	Turesson 1938
		Hieracium umbellatum L.	Hieracium umbellatum L.		17	Fedorov, 1974	Gustafsson 1947a
		Hieracium umbellatum L.	Hieracium umbellatum L.		17	Fedorov, 1974	Wulff 1950
		Hieracium umbellatum L.	Hieracium umbellatum L.		17	Fedorov, 1974	Lovkvist 1962a
		Hieracium umbellatum L.	Hieracium umbellatum L.		17	Fedorov, 1974	Sorsa V. 1962
		Hieracium umbellatum L.	Hieracium umbellatum L.		17	Fedorov, 1974	Hedberg I., Hedberg 0. 1964
		Hieracium umbellatum L.	Hieracium umbellatum L.		17	Fedorov, 1974	Gadella, Kliphuis 1967
		Hieracium umbellatum L.	Hieracium umbellatum L.		17	Fedorov, 1974	Murin, Uhrikova
		Hieracium umbellatum L.	Hieracium umbellatum L.		17	Fedorov, 1974	I. Slov. fl. I. 1967)
		Hieracium umbellatum L.	Hieracium umbellatum L.		18, 27	Fedorov, 1974	Rosenberg 1926c
		Hieracium umbellatum L.	Hieracium umbellatum L.		18, 27	Fedorov, 1974	Tischler 1934
		Hieracium umbellatum L.	Hieracium umbellatum L.		18, 27	Fedorov, 1974	Bergman 1935a
		Hieracium umbellatum L.	Hieracium umbellatum L.		18, 27	Fedorov, 1974	Rohweder 1937
		Hieracium umbellatum L.	Hieracium umbellatum L.		27	Fedorov, 1974	Bergman 1941
		Hieracium umbellatum L.	Hieracium umbellatum L.		27	Fedorov, 1974	CoKOHOBCKan 1963, 1965 H
		Hieracium umbellatum L.	Hieracium umbellatum L.		27	Fedorov, 1974	Gustafsson 1947a, b
		Hieracium umbellatum L.	Hieracium umbellatum L.		27	Fedorov, 1974	Rosenberg 1927
!		Hieracium umbellatum L.	Hieracium umbellatum L.		18	C-values database	Chrtek J, Jr, Zahradnicek J, Krak K, Fehrer J. 2009. Genome size in Hieracium subgenus Hieracium (Asteraceae) is strongly correlated with major phylogenetic groups. Annals of Botany 104: 161-178.
!		Hieracium umbellatum L.	Hieracium umbellatum L.		2n = 18	Austria_checklist	M. Kiehn, E. Vitek & Ch. Dobes unpubl.
		Hieracium acranthophorum Om.	Hieracium umbellatum L.		27	Cave1958	Jorgensen et al. 1958
		Hieracium umbellatum L.	Hieracium umbellatum L.		18	Cave1962	Ll1vkvist 1962
		Hieracium umbellatum L.	Hieracium umbellatum L.	9	c.18	Cave1963	Sorsa 1962; 1963a
		Hieracium umbellatum L.	Hieracium umbellatum L.		27	Cave1963	Sokolovskaya 1963
		Hieracium umbellatum L.	Hieracium umbellatum L.	0	27	CromoCat 2015	Probatova, N.S.& Kazanovsky, S.G.& Rudyka, E.G. & Seledets, V.P. & Nechaev,V.A (2012). IAPT/IOPB Chromosome Data 13 Taxon 61:899-902
		Hieracium umbellatum L.	Hieracium umbellatum L.		18	CromoCat 2015	Dvo?ák, F. & Dadáková, B. (1976d). Cytotaxonomic studies of some species of southern Moravia flora. Folia Fac. Sci. Nat. Univ. Purk. Brun., Biologia 17: 5-107
		Hieracium umbellatum L.	Hieracium umbellatum L.		18	CromoCat 2015	M?sí?ek J. et Jarolímová-Jav?rková V. (1992). List of chromosome numbers of the Czech vascular plants. Academia, Praha. p. 1-144.
		Hieracium umbellatum L.	Hieracium umbellatum L.		18	CromoCat 2015	Probatova, N.S., Seledets, V.P., Rudyka, E.G., Gnutikov, A.A., Kozhevnikova, Z.V. & Barkalov V.Y. (2009). IAPT/IOPB Chromosome Data 8 Taxon 58 (4): 1284-1288
		Hieracium umbellatum L.	Hieracium umbellatum L.		18	CromoCat 2015	Roon, M. K., van & J. H. Wieffering. (1982). Reports [In Löve, A. (ed.), IOPB chromosome numbers reports LXXV]. Taxon 31(2): 367.
		Hieracium umbellatum L.	Hieracium umbellatum L.		18	CromoCat 2015	Uhríková, A. & V. Feráková. (1977). Reports [In Löve, A. (ed.), IOPB chromosome numbers reports LVI]. Taxon 26(2/3): 263.
		Hieracium umbellatum L.	Hieracium umbellatum L.		18+0-1B	CromoCat 2015	Lövkvist, B. & Hultgård, U.-M. (1999). Chromosome numbers in south Swedish vascular plants Opera botanica 137: 1-42
		Hieracium umbellatum L.	Hieracium umbellatum L.		27	CromoCat 2015	Probatova (2005). Chromosome numbers of some dicotyledons of the flora of the Amur Region Bot. Žhurn. (Moscow & Leningrad) 90(5): 779–792
		Hieracium umbellatum L.	Hieracium umbellatum L.		27	CromoCat 2015	Probatova, N. S., Rudyka, E. G., Seledets, V. P. & Nechaev, V. A. (2008). IAPT/IOPB Chromosome Data 6 Taxon 57(4): 1267-1273
		Hieracium umbellatum L.	Hieracium umbellatum L.		27	CromoCat 2015	Probatova, N. S., Seledets, V. P. & Rudyka, E. G. (2008). IAPT/IOPB Chromosome Data 5 Taxon 57(2): 553-562
		Hieracium umbellatum L.	Hieracium umbellatum L.		27	CromoCat 2015	Probatova, N. S., Seledets, V. P., Gnutikov, A. A. & Shatokhina, A. V. (2008). IAPT/IOPB Chromosome Data 6 Taxon 57(4): 1267-1273
!		Hieracium umbellatum L.	Hieracium umbellatum L.		18	CromoCat 2015	Strid, A. & R. Franzén. (1981). Reports [In Löve, A. (ed.), IOPB chromosome numbers reports LXXIII]. Taxon 30(4): 829-842.
!		Hieracium umbellatum L.	Hieracium umbellatum L.		27	CromoCat 2015	Löve, A. & Löve, D. (1982b). Reports [In Löve, A. (ed.), IOPB chromosome numbers reports LXXV]. Taxon 31(2): 344-360.