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 it to the forms submit new counts, or report erroneous counts.


CCDBAngiospermsCompositaeLactucaLactuca perennis L.

33 chromosome counts in Lactuca perennis L.:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
  Lactuca perennis L. Lactuca perennis L.   18 CHROBASE LOEVE A., LOEVE D. - 1982. IOPB chromosome number reports LXXVI.. Taxon , 31(3): 583-587.
  Lactuca perennis L. Lactuca perennis L.   18 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.
  Lactuca perennis L. Lactuca perennis L.   18 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.
  Lactuca perennis L. Lactuca perennis L.   18 Slovakia Database Dvořák F. & Dadáková B., 1977a: Contribution to the karyological study of the species of Slovakian flora. - Biologia (Bratislava) 32/4: 243-254.
  Lactuca perennis L. Lactuca perennis L.   18 Slovakia Database Feráková V., 1971a: Príspevok k taxonómii rodu Lactuca L., pp. 353-365. - In: Magic D. (ed.), Zborník prednášok zo zjazdu SBS (Tisovec 5.-11. júl 1970). Časť II. SBS pri SAV, Bratislava.
  Lactuca perennis L. Lactuca perennis L.   18 Slovakia Database Feráková V., 1971a: Príspevok k taxonómii rodu Lactuca L., pp. 353-365. - In: Magic D. (ed.), Zborník prednášok zo zjazdu SBS (Tisovec 5.-11. júl 1970). Časť II. SBS pri SAV, Bratislava.
  Lactuca perennis L. Lactuca perennis L. 9 18 Flora Iberica Cytotaxonomic studies in the Iberian taxa of the genus Lactuca (Compositae). Mejas, J. A.Bot. Helvetica103: 113-130(1993).
  Lactuca perennis subsp. perennis Lactuca perennis L. 9II(2) 18(2) Asteracea Mejias 1993b Bot. Helv. (= Alpine Botany)
  Lactuca perennis L. Lactuca perennis L. 9(1)   Asteracea Whitaker & J. 1939 J. Agric. Res.
  Lactuca perennis L. Lactuca perennis L.   18 IPCN online Kuzmanov, B. A., S. B. Georgieva & V. A. Nikolova. 1986. Chromosome numbers of Bulgarian flowering plants. I. Fam. Asteraceae. Fitologija 31: 71–74.
  Lactuca perennis L. Lactuca perennis 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.
  Lactuca perennis L. Lactuca perennis L.   18 IPCN online Dvorak, F. & B. Dadakova. 1977. Contribution to the karyological study of the species of Slovakian flora. Biologia (Bratislava) 32: 243–254.
  Lactuca perennis L. Lactuca perennis L.   18 IPCN online Gemeinholzer. 2005. New chromosome counts for some Lactuceae (Compositae). Compositae Newslett. 42: 43–46.
  Lactuca perennis subsp. perennis Lactuca perennis L.   18 IPCN online Mejías, J. A. 1992. Cytotaxonomic studies in the Iberian taxa of the genus Lactuca (Compositae). Bot. Helv. 103: 113–130.
  Lactuca perennis L. Lactuca perennis L.   18 IPCN73-74 LEUTE, G.-H. 1974. In IOPB chromosome number reports XLVI. Taxon 23: 801-812.
  Lactuca perennis L. Lactuca perennis L.   18 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.
  Lactuca perennis L. Lactuca perennis L.   18 Fedorov, 1974 Marchal 1920
  Lactuca perennis L. Lactuca perennis L.   18 Fedorov, 1974 Babcock et al. 1937
  Lactuca perennis L. Lactuca perennis L.   18 Fedorov, 1974 Whitaker, Jagger 1939
  Lactuca perennis L. Lactuca perennis L.   18 Fedorov, 1974 Thompson R. C. et al. 1941
  Lactuca perennis L. Lactuca perennis L.   18 Fedorov, 1974 Delay 1947
!   Lactuca perennis L. Lactuca perennis L.   18 Darlington, 1955 Thompson et al. '41
!   Lactuca perennis L. Lactuca perennis L.   18 C-values database Doležalová I, Lebeda A, Janecek J, Cíhalíková J, Krístková E, Vránova O. 2002. Variation in chromosome numbers and nuclear DNA contents in genetic resources of Lactuca L. species (Asteraceae). Genetic Resources and Crop Evolution 49: 383-395.
!   Lactuca perennis L. Lactuca perennis L.   2n = 18 Austria_checklist G.H. Leute in -- 1974. IOPB chromosome number reports XLVI. Taxon 23[5/6], 801-812.
  Lactuca perennis L. Lactuca perennis L. 0 16 CromoCat 2015 Dvo?ák, F. & Dadáková, B. (1977c). Contribution to the karyological study of the species of Slovakian flora. Biológia 32: 243-254
  Lactuca perennis L. Lactuca perennis L. 0 16 CromoCat 2015 Gemeinholzer (2005). New chromosome counts for some Lactuceae (Compositae). Compositae Newslett. 42: 43–46.
  Lactuca perennis L. Lactuca perennis L.   18 CromoCat 2015 Kuzmanov, B., Georgieva, S. & Nikolova, V. (1986). Chromosome numbers of Bulgarian flowering plants. I, Fam. Asteraceae. Fitologija 31: 71-74.
  Lactuca perennis L. Lactuca perennis L.   18 CromoCat 2015 Leute, G. -H. (1974). Reports [In Löve, A. (ed.), IOPB chromosome numbers reports XLVI]. Taxon 23(5/6): 811-812.
  Lactuca perennis L. Lactuca perennis L.   18 CromoCat 2015 Löve, A. & Löve, D. (1982c). Reports [In Löve, A. (ed.), IOPB chromosome numbers reports LXXVI]. Taxon 31(3): 583-587.
  Lactuca perennis L. Lactuca perennis L.   18 CromoCat 2015 Löve, A. (1974). IOPB chromosome number reports XLVI Taxon 23(5/6): 801-812.
  Lactuca perennis L. Lactuca perennis 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.
!   Lactuca perennis Lactuca perennis L. 9   CromoCat 2015 Mejías, J. A. (1993a). Cytotaxonomic studies in the Iberian taxa of the genus Lactuca (Compositae). Bot. Helv. 103: 113-130.
!   Lactuca perennis Lactuca perennis L.   18 CromoCat 2015 Mejías, J. A. (1993a). Cytotaxonomic studies in the Iberian taxa of the genus Lactuca (Compositae). Bot. Helv. 103: 113-130.