{# load django_bootstrap5#%} CCDB server
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.


CCDBAngiospermsPoaceaePoaPoa pratensis

284 chromosome counts in Poa pratensis:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
!   Poa agassizensis B. Boivin & D. Löve Poa pratensis L.   56 IPCN65 Bowden in B. & L. 1960
!   Poa agassizensis B. Boivin & D. Löve Poa pratensis L.   42, 41, 43 IPCN65 Boivin & L. 1960
!   Poa pratensis Poa pratensis L.   90 CromoCat 2015 Fernandes, A. & Queirós, M. (1969). Contribution à la connaissance cytotaxinomique des spermatophyta du Portugal. I. Gramineae. Bol. Soc. Brot. 43: 20-140.
!   Poa pratensis Poa pratensis L.   91? CromoCat 2015 Fernandes, A. & Queirós, M. (1969). Contribution à la connaissance cytotaxinomique des spermatophyta du Portugal. I. Gramineae. Bol. Soc. Brot. 43: 20-140.
  Poa pratensis L. Poa pratensis L.   42 Slovakia Database Uhríková A., 2007: [New records in Astragalus, Caltha, Cerastium, Dactylorhiza, Gagea, Genista, Geum, Knautia, Linaria, Lithospermum, Oryzopsis, Poa, Polygala, Sanguisorba, Scrophularia, Sorbus, and Vulpia], pp. 120, 140, 185, 221, 222, 272, 288, 293, 345, 371, 374, 424, 458, 460, 520, 533, 557, 558, 629. - In: Marhold K., Mártonfi P., Mereďa P. jun., Mráz P. (eds), Chromosome number survey of the ferns and flowering plants of Slovakia. Veda, Bratislava.
  Poa pratensis L. Poa pratensis L.   56 IAPT/IOPB IAPT/IOPB Chromosome Data 5
!   Poa pratensis L. Poa pratensis L.   84+/-1 British Isles cytology Armstrong, J.M. Canad. J. Res., Sect. C, Bot. Sci. 15: 281-297 (1937)
!   Poa pratensis L. Poa pratensis L.   >80 British Isles cytology Unpubl. chr. count ()
  Poa pratensis L. Poa pratensis L. 14   Flora Iberica Contribucin al conocimiento cariolgico de las Poaceae en Extremadura (Espaa). II. Devesa, J. A. & al.Bol. Soc. Brot. ser. 263: 153-205(1990).
  Poa pratensis L. Poa pratensis L.   28-124 Flora Iberica Estudio monogrfico de los gneros Poa y Bellardiochloa en la pennsula Iberica e islas Baleares. Barcelona. Hernndez Cardona, A. M.*(1979).
  Poa pratensis L. Poa pratensis L.   90, 91? Flora Iberica Contribution la connaissance cytotaxinomique des spermatophyta du Portugal. I. Gramineae Fernandes, A. & M. Queirs.Bol. Soc. Brot. ser. 243: 20-140(1969).
!   Poa pratensis L. Poa pratensis L.   84 42-98 flora of NW Europe http://wbd.etibioinformatics.nl/bis/flora.php?selected=beschrijving&menuentry=soorten&id=4485
!   Poa pratensis L. Poa pratensis L.   42 Flora Europaea Almgaard, 1960
!   Poa pratensis L. Poa pratensis L.   91 Flora Europaea LOve & LOve, 1942
!   Poa pratensis L. Poa pratensis L.   98 Flora Europaea Christov & Nikolov
!   Poa pratensis L. Poa pratensis L.   50-78 Flora Europaea LOve & LOve, 1956
  Poa pratensis L. Poa pratensis L.   74 Poland Database Skali?ska M., Banach-Pogan E., Wcis?o H. et al. 1957. Further studies in chromosome numbers of Polish Angiosperms. Acta Soc. Bot. Pol. 26, 215-246.
  Poa pratensis L. Poa pratensis L.   74 Poland Database Skali?ska M., Banach-Pogan E., Wcis?o H. et al. 1957. Further studies in chromosome numbers of Polish Angiosperms. Acta Soc. Bot. Pol. 26, 215-246.
  Poa pratensis L. Poa pratensis L.   80 Poland Database Skali?ska M., Banach-Pogan E., Wcis?o H. et al. 1957. Further studies in chromosome numbers of Polish Angiosperms. Acta Soc. Bot. Pol. 26, 215-246.
  Poa pratensis L. Poa pratensis L.   c.70 IPCN65 Sokolovskaya 1965
  Poa pratensis L. Poa pratensis L.   56 IPCN online  
  Poa pratensis L. Poa pratensis L.   64, 50,56,58,66 IPCN online Parfenov, V. I. & S. A. Dmitrieva. 1985. Kariologicheskaja differenciacija u vidov flory Belorussii i ee rol, v formoobrazovanii. Dokl. Akad. Nauk Byelorussk. SSR. (Minsk). 29(6): 544–557.
  Poa pratensis L. Poa pratensis L. 7   IPCN online Gohil, R. N. & K. K. Koul. 1986. SOCGI plant chromosome number reports -- IV. J. Cytol. Genet. 21: 155.
  Poa pratensis L. Poa pratensis L.   42,49 IPCN online Stoeva, M. P. 1982. In IOPB chromosome number reports LXXVI. Taxon 31: 579–580.
  Poa pratensis L. Poa pratensis L.   14, 21, 28, 35, 42, 56, 84 IPCN online Khoims, I. N. & S. K. Lebedeva. 1986. Evaluation of morphological characters biological properties and analysis of chromosome number in Kentucky grass specimens. Res. Bull. Vavilov Inst. Pl. Industr. 158: 45–49.
  Poa pratensis L. Poa pratensis L.   56 IPCN online Dijk, G. E. v. & G. D. Winkelhorst. 1982. Interspecific crosses as a tool in breeding Poa pratensis L. 1. Poa longifolia Trin. x P. pratensis L. Euphytica 31: 215–223.
  Poa pratensis L. Poa pratensis L.   56 IPCN online Guzik, M. B. 1984. Khromosomnye chisla nekotorykh dikorastushchikh zlakov Predural'ja. Ekologija Opylenija Rastenij. Mezhvuzovskij Sbornik Nauchnykh Trudov. Perm. 82–86.
  Poa pratensis L. Poa pratensis L.   43, 44, 48-56, etc. IPCN online Duckert-Henriod, M. M. & C. Favarger. 1987. Contribution à la cytotaxonomie et à la cytogéographie des Poa (Poaceae = Gramineae) de la Suisse. Denkschr. Schweiz. Naturf. Ges. 100: 1–130.
  Poa pratensis L. Poa pratensis L. 28, 32 63 IPCN online Koul, K. K. & R. N. Gohil. 1988. SOCGI plant chromosome number reports -- VI. J. Cytol. Genet. 23: 38–52.
  Poa pratensis L. Poa pratensis L.   66 IPCN online Ghorai, A. & A. Sharma. 1981. Chromosome studies in some Festuceae. J. Indian Bot. Soc. 60: 148–153.
  Poa pratensis L. Poa pratensis L. 14   IPCN online Devesa, J. A., T. RUIZ, A. Ortega, J. P. Carrasco, M. C. Viera, R. Torno & J. Pastor. 1990. Contribución al conocimiento cariológico de las Poaceae en Extremadura (Espana)---I. Bol. Soc. Brot., sér. 2 63: 29–66.
  Poa pratensis L. Poa pratensis L. 7II   IPCN online Koul, K. K. & R. N. Gohil. 1991. Cytogenetic studies on some Kashmir grasses. VIII Tribe Agrostideae, Festuceae and Paniceae. Cytologia 56: 437–452.
  Poa pratensis L. Poa pratensis L.   40 IPCN online Stepanov, N. V. 1992. Chromosome numbers in representatives of some families of higher plants. Bot. Žhurn. (Moscow & Leningrad) 77(2): 113–114.
  Poa pratensis L. Poa pratensis L.   42 IPCN online Yan, G. x., S. z. Zheng, F. h. Xue, J. f. Yun, L. y. Wang & X. q. Fu. 1995. The chromosome numbers of 35 forage species and their geographical distribution. Grassl. China 1995(1): 16–20.
  Poa pratensis L. Poa pratensis L. 21   IPCN online Spies, J. J., S. M. C. v. Wyk, I. C. Nieman & E. J. L. Liebenberg. 1997. Cytogenetic studies in some representatives of the subfamily Pooideae (Poaceae) in South Africa. 3. The tribe Poeae. Bothalia 27: 75–82.
  Poa pratensis L. Poa pratensis L. 28   IPCN online Spies, J. J., T. H. Burger & S. M. C. v. Wyk. 1999. Chromosome studies on African plants. 12. The tribes of subfamily Pooideae. Bothalia 29(2): 335–341.
  Poa pratensis L. Poa pratensis L.   28 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.
  Poa pratensis L. Poa pratensis L.   42 IPCN online Ghorai, A. & A. Sharma. 1981. Chromosome studies in some Festuceae. J. Indian Bot. Soc. 60: 148–153.
  Poa pratensis L. Poa pratensis L.   42,49 IPCN online Grober, K., F. Matzk & M. Zacharias. 1978. III. Beziehungen zuischen apomiRtischer bsw. amphimiktischer Samenausbildung vegetativer Leistung und Chromosomenzahl bei Poa pratensis L. Kulturpflanze 26: 303–327.
  Poa pratensis L. Poa pratensis L.   48, 50, 56, 58, 64, 66, 70, 72 IPCN online Dmitrieva, S. A. 2000. Karyology of the flora of Byelarus. Page 42 in Thesis of the Diss. Doc. Biol. Sci. Minsk.
  Poa pratensis L. Poa pratensis L.   36 IPCN online Ghukasyan. 2004. Extent of karyological study of Armenian grasses (Poaceae). Fl. Rastitel'n. Rastitel'n. Resursy Armenii 15: 85–89.
  Poa pratensis L. Poa pratensis L.   56, 70 IPCN online Seledets. 2005. Ecological area of species: karyological aspects. Pages 95--97 in Karyology, Karyosystematics and Molecular Phylogeny. St. Petersburg, Russia.
  Poa pratensis L. Poa pratensis L.   33to92 IPCN72 SPECKMANN, G.J., & G.E. VAN DIJK. 1972. Chromosome number and plant morphology in some ecotypes of Poa pratensis L. Euphytica 21: 171-180.
  Poa pratensis L. Poa pratensis L.   56, c.70 IPCN67-71 SOKOLOVSKAYA, A.P . & N.S. PROBATOVA. 1968. A karyosystematic investigation of the Far-Eastern species of Poa L. (In Russian) Bot. Zurn. 53: 1737-1743.
  Poa pratensis L. Poa pratensis L.   84 IPCN67-71 TAYLOR, R.L., & G.A. MULLIGAN. 1968. Flora of the Queen Charlotte Islands. Part 2. Cytological aspects of the Vascular Plants. Queen's Printer, Ottawa. pp. 148.
  Poa pratensis L. Poa pratensis L.   60 IPCN67-71 ZHUKOVA, P.G . & A.D. TIKHONOVA. 1971. Chromosome numbers of certain plant species indigenous to the Chukotsky province. (In Russian). Bot. Zurn. 56: 868-875.
  Poa pratensis L. Poa pratensis L.   90 IPCN67-71 FERNANDES, A . & M. QUEIROS. 1969. Contribution a la connaissance cytotaxinomique des Spermatophyta du Portugal. I. Gramineae. Bol. Soc. Brat. 43(ser.2l: 3-140.
  Poa pratensis L. Poa pratensis L.   56 IPCN75-78 Chopanov & Yurtsev 1976
  Poa pratensis L. Poa pratensis L.   62 IPCN75-78 Zhukova & Petrovsky 1975
  Poa pratensis L. Poa pratensis L.   52 IPCN75-78 Zhukova & Petrovsky 1976
  Poa pratensis L. Poa pratensis L.   59, c.70 IPCN73-74 SOKOLOVSKAYA, A.P., & N.S. PROBATOVA. 1973. Karyosystematic investigations of the Far East species of Poa L. (in Russian) Bot. zurn. (Moscow & Leningrad) 58: 89-96.
!   Poa pratensis L. Poa pratensis L.   35 to 105* IPCN73-74 WILTON, A.C., E. WISEMAN, & J.J. MURRAY. 1972. Chromosome and genetic constancy in a Poa pratensis L. cultivars. Crop Sci. (Madison) 12: 736- 738.
!   Poa pratensis L. Poa pratensis L.   42, 63, 84 IPCN73-74 GROBER, K., F. MATZK, t M. ZACHARIAS. 197 4. Untersuchungen zur Entwicklung der apomiktischen Fortpflanzungsweise bei Futtergrasern. I Art- und Gattungskreuzungen. Kulturpflanze 22: 159-180.
!   Poa pratensis L. Poa pratensis L.   "42-105" IPCN73-74 GROBER, K., F. MATZK, t M. ZACHARIAS. 197 4. Untersuchungen zur Entwicklung der apomiktischen Fortpflanzungsweise bei Futtergrasern. I Art- und Gattungskreuzungen. Kulturpflanze 22: 159-180.
!   Poa pratensis L. Poa pratensis L.   "42-105" IPCN73-74 GROBER, K., F. MATZK, t M. ZACHARIAS. 197 4. Untersuchungen zur Entwicklung der apomiktischen Fortpflanzungsweise bei Futtergrasern. I Art- und Gattungskreuzungen. Kulturpflanze 22: 159-180.
!   Poa pratensis L. Poa pratensis L.   28(32, 36)42, 56(64) IPCN73-74 GROBER, K., F. MATZK, t M. ZACHARIAS. 197 4. Untersuchungen zur Entwicklung der apomiktischen Fortpflanzungsweise bei Futtergrasern. I Art- und Gattungskreuzungen. Kulturpflanze 22: 159-180.
!   Poa pratensis L. Poa pratensis L.   "42-105" IPCN73-74 GROBER, K., F. MATZK, t M. ZACHARIAS. 197 4. Untersuchungen zur Entwicklung der apomiktischen Fortpflanzungsweise bei Futtergrasern. I Art- und Gattungskreuzungen. Kulturpflanze 22: 159-180.
!   Poa pratensis L. Poa pratensis L.   25-49 Kumar, 1987 Jherberg, E. 1936
!   Poa pratensis L. Poa pratensis L.   28-124 Kumar, 1987 Tomkins, D.J. & Grarit, W.F. 1978
!   Poa pratensis L. Poa pratensis L.   28, 56, 70 Kumar, 1987 Avdulov, N.P. (Fedorov); Tischler, G. 1934 ; Rohweder, H. 1937
!   Poa pratensis L. Poa pratensis L.   33-92 Kumar, 1987 Speckmann, G.J. & Van Dijk, G.B. 1972
!   Poa pratensis L. Poa pratensis L.   35+4B Kumar, 1987 Jorgensen, C. A. et al. 1958
!   Poa pratensis L. Poa pratensis L.   36 Kumar, 1987 Mlintzing, A. 1940
!   Poa pratensis L. Poa pratensis L.   36-85 Kumar, 1987 Muntzing, A. 1932c
!   Poa pratensis L. Poa pratensis L.   36, 37+1, 37-1, 38, 49 Kumar, 1987 Dale, M.R. et al. 1975
!   Poa pratensis L. Poa pratensis L.   38-96 Kumar, 1987 Jubl, H. 1952a
!   Poa pratensis L. Poa pratensis L.   41-64 Kumar, 1987 Brown, W.L. 1939
!   Poa pratensis L. Poa pratensis L.   42 Kumar, 1987 Almgard, G. 1960
!   Poa pratensis L. Poa pratensis L.   47-95 Kumar, 1987 Akerl:erg, E. 1936
!   Poa pratensis L. Poa pratensis L.   49-80 Kumar, 1987 Hartung, M.F. 1946
!   Poa pratensis L. Poa pratensis L.   50-78 Kumar, 1987 Love, A. & Love D. 1956b
!   Poa pratensis L. Poa pratensis L.   50-124 Kumar, 1987 Hubbard, C.E. 1954
!   Poa pratensis L. Poa pratensis L.   53-92 Kumar, 1987 Nissen,b . 1950
!   Poa pratensis L. Poa pratensis L.   56 Kumar, 1987 Delay, C. 1947 ; Sokolovskaya, A.P. & Strelkova, O.S. (Fedorov) ; Tateoka, T. 1953 ; Sokolovskaya, A.P. (Fedorov)
!   Poa pratensis L. Poa pratensis L.   56, 70 Kumar, 1987 Sokolovskaya, A. P. & Strelkova, O .S. (Fedorov) c. 56,
!   Poa pratensis L. Poa pratensis L.   56, 70 Kumar, 1987 Sokolovskaya, A.P. & Probatova, N.S. 1973
!   Poa pratensis L. Poa pratensis L.   56, c.70 Kumar, 1987 Sokolovskaya, A.P. & Probatova, N.S. 1968
!   Poa pratensis L. Poa pratensis L.   60 Kumar, 1987 Zhukova, P.G. & Tikhonova, A.D. 1971
!   Poa pratensis L. Poa pratensis L.   64 Kumar, 1987 Mehra, P.N. & Sunder, S. 1969
!   Poa pratensis L. Poa pratensis L.   66, 67+f Kumar, 1987 Rancken, G. 1934
!   Poa pratensis L. Poa pratensis L.   68-70, 74 Kumar, 1987 Clausen, J. et al. 1944
!   Poa pratensis L. Poa pratensis L.   68, 75, 76, 84, 106 Kumar, 1987 Grun, P. 1955
!   Poa pratensis L. Poa pratensis L.   70 Kumar, 1987 Nakajima, G. 1933 ; Sokolovskaya, A.P. (Fedorov)
!   Poa pratensis L. Poa pratensis L.   c.70 Kumar, 1987 Zhukova, P.G. & Tikhonova, A.D. 1973
!   Poa pratensis L. Poa pratensis L.   c.70, c.76 c.80 Kumar, 1987 Moore, R.J. et al. 1976
!   Poa pratensis L. Poa pratensis L.   70, 78, 91 Kumar, 1987 Love, A. & Love, D. 1942a
!   Poa pratensis L. Poa pratensis L.   72 Kumar, 1987 Sokolovskaya, A.P. (Fedorov)
!   Poa pratensis L. Poa pratensis L.   74, 78, 80 Kumar, 1987 SkaliUska, M. et al. 1957
!   Poa pratensis L. Poa pratensis L.   84 Kumar, 1987 Taylor, R.L. & Mulligan, G.A. 1968
!   Poa pratensis L. Poa pratensis L.   c.95 Kumar, 1987 B6cher, T.W. & Larsen, K. 1950
!   Poa pratensis L. Poa pratensis L.   28 eFlora  
!   Poa pratensis L. Poa pratensis L.   28, 56, 70 Darlington, 1955 Avdulov 1931
!   Poa pratensis L. Poa pratensis L.   84 C-values database Bennett MD, Smith JB, Lewis Smith RI. 1982. DNA amounts of angiosperms from the Antarctic and South Georgia. Environmental and Experimental Botany 22: 307-318.
!   Poa pratensis L. Poa pratensis L.   "50-78" Cave1956 Love & Love b
  Poa pratensis L. Poa pratensis L.   68, 75, 84 Cave1956supp Grun 1955
  Poa pratensis L. Poa pratensis L.   62, 68, 74 Cave1963 Almg£rd 1960
  Poa pratensis L. Poa pratensis L.   c. 70 Cave1963 Sokolovskaya 1963
  Poa pratensis L. Poa pratensis L. 7II   CromoCat 2015 Koul, K. K. & Gohil, R. N. (1991a). Cytogenetic studies on some Kashmir grasses. VIII Tribe Agrostideae, Festuceae and Paniceae Cytologia 56: 437-452
  Poa pratensis L. Poa pratensis L. 7   CromoCat 2015 Gohil, R. N. & Koul, K. K. (1986). SOCGI plant chromosome number reports -- IV. Journal of Cytology and Genetics 21: 155
  Poa pratensis L. Poa pratensis L. 32   CromoCat 2015 Koul, K. K. & Gohil, R. N. (1988). SOCGI plant chromosome number reports -- VI Journal of Cytology and Genetics 23: 38-52
  Poa pratensis L. Poa pratensis L. 28   CromoCat 2015 Koul, K. K. & Gohil, R. N. (1988). SOCGI plant chromosome number reports -- VI Journal of Cytology and Genetics 23: 38-52
  Poa pratensis L. Poa pratensis L. 28   CromoCat 2015 Spies, J. J., T. H. Burger & S. M. C. van Wyk (1999). Chromosome studies on African plants. 12. The tribes of subfamily Pooideae Bothalia 29(2): 335-341
  Poa pratensis L. Poa pratensis L. 21   CromoCat 2015 Spies, J.J., S.M.C. Van Wyk, I.C. Nieman & E.J.L. Liebenberg (1997). Cytogenetic studies in some representatives of the subfamily Pooideae (Poaceae) in South Africa. 3. The Tribe Poeae Bothalia 27:75-82
  Poa pratensis L. Poa pratensis L. 14   CromoCat 2015 Devesa, J. A., Ruiz, T., Ortega, A., Carrasco, J., Viera, M., Tormo, R. & Pastor, J. (1990a). Contribución al conocimiento cariológico de las Poaceae en Extremadura (España). II. Bol. Soc. Brot. 63: 153-205.
  Poa pratensis L. Poa pratensis L.   106 CromoCat 2015 Grun, P. (1955). Cytogenetic studies of Poa. II. The pairing of chromosomes inspecies and interspecific hybrids. Amer. J. Bot. 42: 11-18.
  Poa pratensis L. Poa pratensis L.   14 CromoCat 2015 Khoims, I. N. & Lebedeva, S. K. (1986). Evaluation of morphological characters biological properties and analysis of chromosome number in Kentucky grass specimens. Res. Bull. Vavilov Inst. Pl. Industr. 158: 45-49
  Poa pratensis L. Poa pratensis L.   21 CromoCat 2015 Khoims, I. N. & Lebedeva, S. K. (1986). Evaluation of morphological characters biological properties and analysis of chromosome number in Kentucky grass specimens. Res. Bull. Vavilov Inst. Pl. Industr. 158: 45-49
  Poa pratensis L. Poa pratensis L.   25-47 CromoCat 2015 Akerberg, E. (1936). Studien über die samenbildung bei Poa pratensis L. Bot. Not. 89: 213-280.
  Poa pratensis L. Poa pratensis L.   25-49 CromoCat 2015 Armstrong, J. M. (1937). A cytological study of the genus Poa. Canad. J. Res. 15: 281-297.
  Poa pratensis L. Poa pratensis L.   25-49 CromoCat 2015 Nissen, O. (1937). Spalteapningens störrelse hos tvllingsplanter med ulike kromosomtall. Bot. Not. 90: 28-34.
  Poa pratensis L. Poa pratensis L.   28 CromoCat 2015 Albers, F. & Pröbsting, W. (1998). In R. Wisskirchen & H. Haeupler, Standardliste der Farn- und Blütenpflanzen Deutschlands. Bundesamt für Naturschutz & Verlag Eugen Ulmer, Stuttgart
  Poa pratensis L. Poa pratensis L.   28 CromoCat 2015 Avdulov, N. P. (1928). Systematicheskaya kariologiya semeestva Gramineae. Drievnik vsesojuznogo Sezda Bot. Leningrade 1928: 65-66.
  Poa pratensis L. Poa pratensis L.   28 CromoCat 2015 Avdulov, N. P. (1931). Karyo-systematische Untersuchungen der Familie Gramineen. Bull. Appl. Bot., Genet. & Plant Breeding Suppl. 43: 1-438.
  Poa pratensis L. Poa pratensis L.   28 CromoCat 2015 Bowden, W. M. (1961). Chromosome numbers and taxonomic notes on northern grasses. IV. Tribe Festuceae: Poa and Puccinellia. Canad. J. Bot. 39: 123-138.
  Poa pratensis L. Poa pratensis L.   28 CromoCat 2015 Christov, M. (1942). Embriologische Studien der Fortpflanzung einiger Poa Arten. Ann. Univ. Sofia, Fac. Agr. & Sylvic. 20: 169-187.
  Poa pratensis L. Poa pratensis L.   28 CromoCat 2015 Khoims, I. N. & Lebedeva, S. K. (1986). Evaluation of morphological characters biological properties and analysis of chromosome number in Kentucky grass specimens. Res. Bull. Vavilov Inst. Pl. Industr. 158: 45-49
  Poa pratensis L. Poa pratensis L.   28 CromoCat 2015 Nielsen, E. L. (1945). Cytology and breeding behavior of selected plants of Poa pratensis. Bot. Gaz. 106: 357-382.
  Poa pratensis L. Poa pratensis L.   28 CromoCat 2015 Stoeva, M. P. (1984). Populacionna izmencivost v Poa compressa L. i Poa pratensis L. V. Savremenni tcoreticni i prilozni aspekti na rastiteinata ekologija 1: 268-275.
  Poa pratensis L. Poa pratensis L.   28-124 CromoCat 2015 Hernández Cardona, À. M. (1979). Estudio monográfico de los géneros Poa y Bellardiochloa en la península Iberica e islas Baleares. Barcelona
  Poa pratensis L. Poa pratensis L.   35 CromoCat 2015 Khoims, I. N. & Lebedeva, S. K. (1986). Evaluation of morphological characters biological properties and analysis of chromosome number in Kentucky grass specimens. Res. Bull. Vavilov Inst. Pl. Industr. 158: 45-49
  Poa pratensis L. Poa pratensis L.   36 CromoCat 2015 Müntzing, A. (1940). Further studies on apomixis and sexuality in Poa. Hereditas 26: 115-190.
  Poa pratensis L. Poa pratensis L.   36-85 CromoCat 2015 Müntzing, A. (1932). Apomictic and sexual seed formation in Poa. Hereditas 17: 131-154.
  Poa pratensis L. Poa pratensis L.   38-40 CromoCat 2015 Juhl, H. (1952). Zytologische untersuchungen an einigen formen von Poa pratensis L. in schleswig-holstein. Flora 139: 462-476.
  Poa pratensis L. Poa pratensis L.   40 CromoCat 2015 Kiellander, C. L. (1942). A subhaploid Poa pratensis L. with 18 chromosomes, and its progeny. Svensk Bot. Tidskr. 36: 200-220.
  Poa pratensis L. Poa pratensis L.   40 CromoCat 2015 Stepanov, N. V. (1992). Chromosome numbers in representatives of some families of higher plants Botani?eskij Žurnal (Moscow & Leningrad) 77(2): 113-114
  Poa pratensis L. Poa pratensis L.   41 CromoCat 2015 Brown, W. L. (1939). Chromosome complements of five species of Poa with an analysis of variation in Poa pratensis. Amer. J. Bot. 26: 717-724.
  Poa pratensis L. Poa pratensis L.   42 CromoCat 2015 Bowden, W. M. (1961). Chromosome numbers and taxonomic notes on northern grasses. IV. Tribe Festuceae: Poa and Puccinellia. Canad. J. Bot. 39: 123-138.
  Poa pratensis L. Poa pratensis L.   42 CromoCat 2015 Brown, W. L. (1941). The cytogenetics of Poa pratensis. Ann. Missouri Bot. Gard. 28: 493-522.
  Poa pratensis L. Poa pratensis L.   42 CromoCat 2015 Flovik, K. (1938). Cytological studies of arctic grasses. Hereditas 24: 265-375.
  Poa pratensis L. Poa pratensis L.   42 CromoCat 2015 Ghorai, A. & Sharma, A. (1981). Chromosome studies in some Festuceae Journal of the Indian Botanical Society 60: 148-153
  Poa pratensis L. Poa pratensis L.   42 CromoCat 2015 Grober, K. , Matzk, F. & Zacharias, M. (1978). III. Beziehungen zuischen apomiRtischer bsw. amphimiktischer Samenausbildung vegetativer Leistung und Chromosomenzahl bei Poa pratensis L. Kulturpflanze 26: 303-327.
  Poa pratensis L. Poa pratensis L.   42 CromoCat 2015 Khoims, I. N. & Lebedeva, S. K. (1986). Evaluation of morphological characters biological properties and analysis of chromosome number in Kentucky grass specimens. Res. Bull. Vavilov Inst. Pl. Industr. 158: 45-49
  Poa pratensis L. Poa pratensis L.   42 CromoCat 2015 Müntzing, A. (1937a). Polyploidy from twin seedlings. Cytologia Fujii Jub.: 211-2
  Poa pratensis L. Poa pratensis L.   42 CromoCat 2015 Radeloff, H. (1930). Zur unterscheidung der spelzfrüchte unserer wichtigsten Festuca und Poa arten unter besonderer berücksichtigung ihrer mikroskopie. Proc. Inter. Seedtest Ass. 11-12: 1-107.
  Poa pratensis L. Poa pratensis L.   42 CromoCat 2015 Stoeva, M. P. (1982). Reports [In Löve, A. (ed.), IOPB chromosome numbers reports LXXVI]. Taxon 31(3): 579-580.
  Poa pratensis L. Poa pratensis L.   42 CromoCat 2015 Stoeva, M. P. (1984). Populacionna izmencivost v Poa compressa L. i Poa pratensis L. V. Savremenni tcoreticni i prilozni aspekti na rastiteinata ekologija 1: 268-275.
  Poa pratensis L. Poa pratensis L.   42 CromoCat 2015 Yan, G. -X., S. -Z. Zheng, F. -H. Xue, J. -F. Yun, L. -Y. Wang & X. -Q. Fu (1995). The chromosome numbers of 35 forage species and their geographical distribution. Grassland China 4:53-60
  Poa pratensis L. Poa pratensis L.   42-87 CromoCat 2015 Akerberg, E. (1939). Apomictic and sexual seed formation in Poa pratensis. Hereditas 25: 359-370.
  Poa pratensis L. Poa pratensis L.   42-87 CromoCat 2015 Akerberg, E. (1942). Cytogenetic studies in Poa pratensis and its hybrid with Poa alpina. Hereditas 28: 1-125.
  Poa pratensis L. Poa pratensis L.   42-87 CromoCat 2015 Akerberg, E. (1943). Further studies of the embryo and endosperm development in Poa pratensis. Hereditas 29: 199-201.
  Poa pratensis L. Poa pratensis L.   42-87 CromoCat 2015 Christov, M. (1943). Polyploidy, apomictic seed formation and polyembryony in Poa species Ann. Univ. Sofia, Fac. Agr. & Sylvic. 21: 221-236.
  Poa pratensis L. Poa pratensis L.   42-87 CromoCat 2015 Kiellander, C. L. (1941). Studies on apospory in Poa pratensis L. Svensk Bot. Tidskr. 35: 321-332.
  Poa pratensis L. Poa pratensis L.   42-87 CromoCat 2015 Nygren, A. (1950). Cytological and embryological studies in arctic Poae. Symb. Bot. Uppsal. 10: 1-64.
  Poa pratensis L. Poa pratensis L.   43 CromoCat 2015 Duckert-Henriod, M. M. & Favarger, C. (1987). Contribution à la cytotaxonomie et a la cytogéographie des Poa (Poaceae = Gramineae) de la Suisse Denkschriften der Schweizerischen [Naturforschenden Gesellschaft] [Akademie der Naturwissenschaften] 100: 1-130
  Poa pratensis L. Poa pratensis L.   44 CromoCat 2015 Bowden, W. M. (1961). Chromosome numbers and taxonomic notes on northern grasses. IV. Tribe Festuceae: Poa and Puccinellia. Canad. J. Bot. 39: 123-138.
  Poa pratensis L. Poa pratensis L.   44 CromoCat 2015 Duckert-Henriod, M. M. & Favarger, C. (1987). Contribution à la cytotaxonomie et a la cytogéographie des Poa (Poaceae = Gramineae) de la Suisse Denkschriften der Schweizerischen [Naturforschenden Gesellschaft] [Akademie der Naturwissenschaften] 100: 1-130
  Poa pratensis L. Poa pratensis L.   45 CromoCat 2015 Brown, W. L. (1939). Chromosome complements of five species of Poa with an analysis of variation in Poa pratensis. Amer. J. Bot. 26: 717-724.
  Poa pratensis L. Poa pratensis L.   48-56 CromoCat 2015 Duckert-Henriod, M. M. & Favarger, C. (1987). Contribution à la cytotaxonomie et a la cytogéographie des Poa (Poaceae = Gramineae) de la Suisse Denkschriften der Schweizerischen [Naturforschenden Gesellschaft] [Akademie der Naturwissenschaften] 100: 1-130
  Poa pratensis L. Poa pratensis L.   49 CromoCat 2015 Brown, W. L. (1939). Chromosome complements of five species of Poa with an analysis of variation in Poa pratensis. Amer. J. Bot. 26: 717-724.
  Poa pratensis L. Poa pratensis L.   49 CromoCat 2015 Grober, K. , Matzk, F. & Zacharias, M. (1978). III. Beziehungen zuischen apomiRtischer bsw. amphimiktischer Samenausbildung vegetativer Leistung und Chromosomenzahl bei Poa pratensis L. Kulturpflanze 26: 303-327.
  Poa pratensis L. Poa pratensis L.   49 CromoCat 2015 Hartung, M. E. (1946). Chromosome numbers in Poa, Agropyron and Elymus. Amer. J. Bot. 33: 516-531.
  Poa pratensis L. Poa pratensis L.   49 CromoCat 2015 Stoeva, M. P. (1982). Reports [In Löve, A. (ed.), IOPB chromosome numbers reports LXXVI]. Taxon 31(3): 579-580.
  Poa pratensis L. Poa pratensis L.   49 CromoCat 2015 Stoeva, M. P. (1984). Populacionna izmencivost v Poa compressa L. i Poa pratensis L. V. Savremenni tcoreticni i prilozni aspekti na rastiteinata ekologija 1: 268-275.
  Poa pratensis L. Poa pratensis L.   49-80 CromoCat 2015 Hartung, M. E. (1946). Chromosome numbers in Poa, Agropyron and Elymus. Amer. J. Bot. 33: 516-531.
  Poa pratensis L. Poa pratensis L.   49-88 CromoCat 2015 Kramer, H. H. (1947). Morphologic and agronomic variation in Poa pratensis L. in relation to chromosome numbers. J. Amer. Soc. Agron. 39: 181-192.
  Poa pratensis L. Poa pratensis L.   49-95 CromoCat 2015 Akerberg, E. (1936). Studien über die samenbildung bei Poa pratensis L. Bot. Not. 89: 213-280.
  Poa pratensis L. Poa pratensis L.   50 CromoCat 2015 Brown, W. L. (1939). Chromosome complements of five species of Poa with an analysis of variation in Poa pratensis. Amer. J. Bot. 26: 717-724.
  Poa pratensis L. Poa pratensis L.   50 CromoCat 2015 Parfenov, V. I. & S. A. Dmitrieva. (1985). Kariologicheskaja differenciacija u vidov flory Belorussii i ee rol, v formoobrazovanii. Dokl. Akad. Nauk Byelorussk. SSR. (Minsk) 29(6): 544-557.
  Poa pratensis L. Poa pratensis L.   50-78 CromoCat 2015 Löve, A. & Löve, D. (1956b). Cytotaxonomical conspectus of the Icelandic flora. Acta Horti Gothob. 20(4): 65-291.
  Poa pratensis L. Poa pratensis L.   52 CromoCat 2015 Zhukova, P. G. & V. V. Petrovsky. (1976). Chromosome numbers of some western Chukotka plant species, II. Bot. Žurn. 61: 963-969.
  Poa pratensis L. Poa pratensis L.   52-93 CromoCat 2015 Skovsted, A. (1939). Cytological studies in twin plants. Compt. Rend. Trav. Carlsberg Lab., Sér. Physiol. 22: 427-445.
  Poa pratensis L. Poa pratensis L.   53 CromoCat 2015 Tinney, F. W. (1940). Cytology of parthenogenesis in Poa pratensis. J. Agric. Res. 60: 351-360.
  Poa pratensis L. Poa pratensis L.   53-92 CromoCat 2015 Nissen, O. (1950). Chromosome numbers, morphology and fertility in Poa pratensis L. from southeastern Norway. Agron. J. 42: 135-144.
  Poa pratensis L. Poa pratensis L.   54 CromoCat 2015 Tinney, F. W. (1940). Cytology of parthenogenesis in Poa pratensis. J. Agric. Res. 60: 351-360.
  Poa pratensis L. Poa pratensis L.   56 CromoCat 2015 Armstrong, J. M. (1937). A cytological study of the genus Poa. Canad. J. Res. 15: 281-297.
  Poa pratensis L. Poa pratensis L.   56 CromoCat 2015 Avdulov, N. P. (1931). Karyo-systematische Untersuchungen der Familie Gramineen. Bull. Appl. Bot., Genet. & Plant Breeding Suppl. 43: 1-438.
  Poa pratensis L. Poa pratensis L.   56 CromoCat 2015 Bowden, W. M. (1961). Chromosome numbers and taxonomic notes on northern grasses. IV. Tribe Festuceae: Poa and Puccinellia. Canad. J. Bot. 39: 123-138.
  Poa pratensis L. Poa pratensis L.   56 CromoCat 2015 Brittingham, W. H. (1941). An artificial hybrid between two species of bluegrass: Canada bluegrass (Poa compressa L.) and Kentucky bluegrass (P. pratensis L.). J. Heredity 32: 57-63.
  Poa pratensis L. Poa pratensis L.   56 CromoCat 2015 Brown, W. L. (1939). Chromosome complements of five species of Poa with an analysis of variation in Poa pratensis. Amer. J. Bot. 26: 717-724.
  Poa pratensis L. Poa pratensis L.   56 CromoCat 2015 Brown, W. L. (1941). The cytogenetics of Poa pratensis. Ann. Missouri Bot. Gard. 28: 493-522.
  Poa pratensis L. Poa pratensis L.   56 CromoCat 2015 Chepinoga, V. V., Gnutikov, A. A., Enushchenko, I. V. & Chepinoga, A. V. (2008). IAPT/IOPB Chromosome Data 6 Taxon 57(4): 1267-1273
  Poa pratensis L. Poa pratensis L.   56 CromoCat 2015 Chopanov, P. & Yurtsev, B. (1976). Chromosome numbers of some grasses of Turkmenia. II. Bot. Žurn. 61: 1240-1244.
  Poa pratensis L. Poa pratensis L.   56 CromoCat 2015 Church, G. L. (1936). Cytological studies in the Gramineae. Amer. J. Bot. 23: 12-15.
  Poa pratensis L. Poa pratensis L.   56 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.
  Poa pratensis L. Poa pratensis L.   56 CromoCat 2015 Dijk, G. E. van & Winkelhorst, G. D. (1982). Interspecific crosses as a tool in breeding Poa pratensis L. 1. Poa longifolia Trin. x P. pratensis L. Euphytica 31: 215-223
  Poa pratensis L. Poa pratensis L.   56 CromoCat 2015 Guzik, M. B. (1984). Khromosomnye chisla nekotorykh dikorastushchikh zlakov Predural'ja. Ekologija Opylenija Rastenij. Mezhvuzovskij Sbornik Nauchnykh Trudov. Perm. 82-86
  Poa pratensis L. Poa pratensis L.   56 CromoCat 2015 Khoims, I. N. & Lebedeva, S. K. (1986). Evaluation of morphological characters biological properties and analysis of chromosome number in Kentucky grass specimens. Res. Bull. Vavilov Inst. Pl. Industr. 158: 45-49
  Poa pratensis L. Poa pratensis L.   56 CromoCat 2015 Moriya, A. & A. Kondo. (1950a). Cytological studies of forage plants. I. Grasses. Jap. J. Genet. 25: 126-131.
  Poa pratensis L. Poa pratensis L.   56 CromoCat 2015 Nielsen, E. L. (1946). Breeding behavior and chromosome numbers in progenies from twin and triplet plants of Poa pratensis. Bot. Gaz. 106: 26-40.
  Poa pratensis L. Poa pratensis L.   56 CromoCat 2015 Parfenov, V. I. & S. A. Dmitrieva. (1985). Kariologicheskaja differenciacija u vidov flory Belorussii i ee rol, v formoobrazovanii. Dokl. Akad. Nauk Byelorussk. SSR. (Minsk) 29(6): 544-557.
  Poa pratensis L. Poa pratensis L.   56 CromoCat 2015 Probatova, N. S. & Seledets, V. P. (2008). IAPT/IOPB Chromosome Data 5 Taxon 57(2): 553-562
  Poa pratensis L. Poa pratensis L.   56 CromoCat 2015 Probatova, N. S., Korobkov, A. A, Gnutikov, A. A., Rudyka, E. G., Kotseruba, V. V. & Seledets, V. P. (2010). IAPT/IOPB chromosome data 10 Taxon 59 (6): 1935-1937
  Poa pratensis L. Poa pratensis L.   56 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
  Poa pratensis L. Poa pratensis L.   56 CromoCat 2015 Rozanova, M. A. (1940a). O biologichskoy izolyatsii i skritich vidach. Bot. Žurn. 25: 304-308.
  Poa pratensis L. Poa pratensis L.   56 CromoCat 2015 Sokolovskaya, A. P. & N. S. Probatova. (1968). A karyosystematic investigation of the far eastern species of Poa L. Bot. Žurn. 53: 1737-1743.
  Poa pratensis L. Poa pratensis L.   56 CromoCat 2015 Sokolovskaya, A. P. & N. S. Probatova. (1973). Karyosystematic investigations of the far east species of Poa L. Bot. Žurn. 58: 89-96.
  Poa pratensis L. Poa pratensis L.   56 CromoCat 2015 Sokolovskaya, A. P. & O. S. Strelkova. (1940). Karyological investigation of the alpine flora on the main Caucasus range and the problem of geographical distribution of polyploids. Dokl. Akad. Nauk. SSSR. 29: 415-418.
  Poa pratensis L. Poa pratensis L.   56 CromoCat 2015 Sokolovskaya, A. P. & O. S. Strelkova. (1948a). Geograficheskoye raspredelenie poliploidov. II. Issledovanie flory Altaya. Ucen. Zap. Leningradsk. Gosud. Univ., Ser. Biol. Nauk. 66: 179-193.
  Poa pratensis L. Poa pratensis L.   56 CromoCat 2015 Sokolovskaya, A. P. (1960). Geograficheskoye rasprostraneny poliploidnich vidov rasteny (issledovanie flory o. Sakhalina). Vestn. Leningr. Univ. Ser. Biol. 21: 42-58.
  Poa pratensis L. Poa pratensis L.   56 CromoCat 2015 Stählin, A. (1929). Morphologische und zytologische untersuchungen an Gramineen. I-II. Wiss. Arch. Landwirtsch 1: 330-398.
  Poa pratensis L. Poa pratensis L.   56 CromoCat 2015 Tateoka, T. (1954a). Karyosystematic studies in Poaceae. I. Natl. Inst. Genet. (Japan), Ann. Rep. 4: 45-47.
  Poa pratensis L. Poa pratensis L.   58 CromoCat 2015 Parfenov, V. I. & S. A. Dmitrieva. (1985). Kariologicheskaja differenciacija u vidov flory Belorussii i ee rol, v formoobrazovanii. Dokl. Akad. Nauk Byelorussk. SSR. (Minsk) 29(6): 544-557.
  Poa pratensis L. Poa pratensis L.   60 CromoCat 2015 Zhukova, P. G. & A. D. Tikhonova. (1971). Chromosome numbers of certain plant species indigenous to the Chukotsky province. Bot. Žurn. 56: 868-875.
  Poa pratensis L. Poa pratensis L.   63 CromoCat 2015 Christov, M. (1944). Die polyembryonie als Ursache für die variabilitat in den apomiktischen arten der gattung Poa. Ann. Univ. Sofia, Fac. Agr. & Sylvic. 22: 153-179.
  Poa pratensis L. Poa pratensis L.   63 CromoCat 2015 Koul, K. K. & Gohil, R. N. (1988). SOCGI plant chromosome number reports -- VI Journal of Cytology and Genetics 23: 38-52
  Poa pratensis L. Poa pratensis L.   63 CromoCat 2015 Stoeva, M. P. (1984). Populacionna izmencivost v Poa compressa L. i Poa pratensis L. V. Savremenni tcoreticni i prilozni aspekti na rastiteinata ekologija 1: 268-275.
  Poa pratensis L. Poa pratensis L.   63 CromoCat 2015 Tinney, F. W. (1940). Cytology of parthenogenesis in Poa pratensis. J. Agric. Res. 60: 351-360.
  Poa pratensis L. Poa pratensis L.   64 CromoCat 2015 Brown, W. L. (1939). Chromosome complements of five species of Poa with an analysis of variation in Poa pratensis. Amer. J. Bot. 26: 717-724.
  Poa pratensis L. Poa pratensis L.   64 CromoCat 2015 Parfenov, V. I. & S. A. Dmitrieva. (1985). Kariologicheskaja differenciacija u vidov flory Belorussii i ee rol, v formoobrazovanii. Dokl. Akad. Nauk Byelorussk. SSR. (Minsk) 29(6): 544-557.
  Poa pratensis L. Poa pratensis L.   66 CromoCat 2015 Ghorai, A. & Sharma, A. (1981). Chromosome studies in some Festuceae Journal of the Indian Botanical Society 60: 148-153
  Poa pratensis L. Poa pratensis L.   66 CromoCat 2015 Parfenov, V. I. & S. A. Dmitrieva. (1985). Kariologicheskaja differenciacija u vidov flory Belorussii i ee rol, v formoobrazovanii. Dokl. Akad. Nauk Byelorussk. SSR. (Minsk) 29(6): 544-557.
  Poa pratensis L. Poa pratensis L.   67 CromoCat 2015 Bowden, W. M. (1961). Chromosome numbers and taxonomic notes on northern grasses. IV. Tribe Festuceae: Poa and Puccinellia. Canad. J. Bot. 39: 123-138.
  Poa pratensis L. Poa pratensis L.   67 CromoCat 2015 Rancken, G. (1931). Eräiden nurmiheinälajien Kromosomeista. Tesis Helsinki
  Poa pratensis L. Poa pratensis L.   67 CromoCat 2015 Rancken, G. (1934). Zytologische Untersuchungen an einigen wirtschaftlich wertvollen Wiesengräsern. Acta Agr. Fennica 29: 1-94.
  Poa pratensis L. Poa pratensis L.   68 CromoCat 2015 Cox, L. M. & Clausen, J. (1955). Chromosome numbers of hybrid Poa lines. Carnegie Inst. Wash. Year Book 54: 175-177.
  Poa pratensis L. Poa pratensis L.   68 CromoCat 2015 Grun, P. & Triplett, E. L. (1952). Poa cytology. Carnegie Inst. Wash. Year Book 51: 119-122.
  Poa pratensis L. Poa pratensis L.   68 CromoCat 2015 Grun, P. (1951a). Poa cytology. Carnegie Inst. Wash. Year Book 50: 111-112.
  Poa pratensis L. Poa pratensis L.   68 CromoCat 2015 Grun, P. (1954). Cytogenetic studies of Poa. I. Chromosome numbers and morphology of interspecific hybrids. Amer. J. Bot. 41: 671-678.
  Poa pratensis L. Poa pratensis L.   68 CromoCat 2015 Grun, P. (1955). Cytogenetic studies of Poa. II. The pairing of chromosomes inspecies and interspecific hybrids. Amer. J. Bot. 42: 11-18.
  Poa pratensis L. Poa pratensis L.   70 CromoCat 2015 Avdulov, N. P. (1931). Karyo-systematische Untersuchungen der Familie Gramineen. Bull. Appl. Bot., Genet. & Plant Breeding Suppl. 43: 1-438.
  Poa pratensis L. Poa pratensis L.   70 CromoCat 2015 Bowden, W. M. (1961). Chromosome numbers and taxonomic notes on northern grasses. IV. Tribe Festuceae: Poa and Puccinellia. Canad. J. Bot. 39: 123-138.
  Poa pratensis L. Poa pratensis L.   70 CromoCat 2015 Christov, M. (1944). Die polyembryonie als Ursache für die variabilitat in den apomiktischen arten der gattung Poa. Ann. Univ. Sofia, Fac. Agr. & Sylvic. 22: 153-179.
  Poa pratensis L. Poa pratensis L.   70 CromoCat 2015 Cox, L. M. & Clausen, J. (1955). Chromosome numbers of hybrid Poa lines. Carnegie Inst. Wash. Year Book 54: 175-177.
  Poa pratensis L. Poa pratensis L.   70 CromoCat 2015 Grun, P. & Triplett, E. L. (1952). Poa cytology. Carnegie Inst. Wash. Year Book 51: 119-122.
  Poa pratensis L. Poa pratensis L.   70 CromoCat 2015 Grun, P. (1954). Cytogenetic studies of Poa. I. Chromosome numbers and morphology of interspecific hybrids. Amer. J. Bot. 41: 671-678.
  Poa pratensis L. Poa pratensis L.   70 CromoCat 2015 Löve, A. & Löve, D. (1942b). Cytotaxonomic studies on boreal plants. I. Some observations on Swedish and Icelandic plants. Kungl. Fysiogr. Sällsk. Lund Förhandl. 12: 1-19.
  Poa pratensis L. Poa pratensis L.   70 CromoCat 2015 Nakajima, G. (1933). Chromosome numbers in some Angiosperms. Jap. J. Genet. 9: 1-5.
  Poa pratensis L. Poa pratensis L.   70 CromoCat 2015 Sokolovskaya, A. P. & N. S. Probatova. (1973). Karyosystematic investigations of the far east species of Poa L. Bot. Žurn. 58: 89-96.
  Poa pratensis L. Poa pratensis L.   70 CromoCat 2015 Sokolovskaya, A. P. & O. S. Strelkova. (1940). Karyological investigation of the alpine flora on the main Caucasus range and the problem of geographical distribution of polyploids. Dokl. Akad. Nauk. SSSR. 29: 415-418.
  Poa pratensis L. Poa pratensis L.   70 CromoCat 2015 Tinney, F. W. (1940). Cytology of parthenogenesis in Poa pratensis. J. Agric. Res. 60: 351-360.
  Poa pratensis L. Poa pratensis L.   70 CromoCat 2015 Zhukova, P. G. & A. D. Tikhonova. (1973). The chromosome numbers of some Chukotka plant species. II. Bot. Žurn. 58: 395-402.
  Poa pratensis L. Poa pratensis L.   72 CromoCat 2015 Kiellander, C. L. (1942). A subhaploid Poa pratensis L. with 18 chromosomes, and its progeny. Svensk Bot. Tidskr. 36: 200-220.
  Poa pratensis L. Poa pratensis L.   74 CromoCat 2015 Bowden, W. M. (1961). Chromosome numbers and taxonomic notes on northern grasses. IV. Tribe Festuceae: Poa and Puccinellia. Canad. J. Bot. 39: 123-138.
  Poa pratensis L. Poa pratensis L.   75 CromoCat 2015 Grun, P. (1951a). Poa cytology. Carnegie Inst. Wash. Year Book 50: 111-112.
  Poa pratensis L. Poa pratensis L.   75 CromoCat 2015 Grun, P. (1955). Cytogenetic studies of Poa. II. The pairing of chromosomes inspecies and interspecific hybrids. Amer. J. Bot. 42: 11-18.
  Poa pratensis L. Poa pratensis L.   76 CromoCat 2015 Grun, P. (1951a). Poa cytology. Carnegie Inst. Wash. Year Book 50: 111-112.
  Poa pratensis L. Poa pratensis L.   78 CromoCat 2015 Löve, A. & Löve, D. (1942b). Cytotaxonomic studies on boreal plants. I. Some observations on Swedish and Icelandic plants. Kungl. Fysiogr. Sällsk. Lund Förhandl. 12: 1-19.
  Poa pratensis L. Poa pratensis L.   81 CromoCat 2015 Cox, L. M. & Clausen, J. (1955). Chromosome numbers of hybrid Poa lines. Carnegie Inst. Wash. Year Book 54: 175-177.
  Poa pratensis L. Poa pratensis L.   81 CromoCat 2015 Grun, P. & Triplett, E. L. (1952). Poa cytology. Carnegie Inst. Wash. Year Book 51: 119-122.
  Poa pratensis L. Poa pratensis L.   81 CromoCat 2015 Grun, P. (1954). Cytogenetic studies of Poa. I. Chromosome numbers and morphology of interspecific hybrids. Amer. J. Bot. 41: 671-678.
  Poa pratensis L. Poa pratensis L.   81-84 CromoCat 2015 Hartung, M. E. (1946). Chromosome numbers in Poa, Agropyron and Elymus. Amer. J. Bot. 33: 516-531.
  Poa pratensis L. Poa pratensis L.   84 CromoCat 2015 Bowden, W. M. (1961). Chromosome numbers and taxonomic notes on northern grasses. IV. Tribe Festuceae: Poa and Puccinellia. Canad. J. Bot. 39: 123-138.
  Poa pratensis L. Poa pratensis L.   84 CromoCat 2015 Grun, P. (1951a). Poa cytology. Carnegie Inst. Wash. Year Book 50: 111-112.
  Poa pratensis L. Poa pratensis L.   84 CromoCat 2015 Grun, P. (1955). Cytogenetic studies of Poa. II. The pairing of chromosomes inspecies and interspecific hybrids. Amer. J. Bot. 42: 11-18.
  Poa pratensis L. Poa pratensis L.   84 CromoCat 2015 Khoims, I. N. & Lebedeva, S. K. (1986). Evaluation of morphological characters biological properties and analysis of chromosome number in Kentucky grass specimens. Res. Bull. Vavilov Inst. Pl. Industr. 158: 45-49
  Poa pratensis L. Poa pratensis L.   84 CromoCat 2015 Stoeva, M. P. (1984). Populacionna izmencivost v Poa compressa L. i Poa pratensis L. V. Savremenni tcoreticni i prilozni aspekti na rastiteinata ekologija 1: 268-275.
  Poa pratensis L. Poa pratensis L.   84 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
  Poa pratensis L. Poa pratensis L.   86 CromoCat 2015 Bowden, W. M. (1961). Chromosome numbers and taxonomic notes on northern grasses. IV. Tribe Festuceae: Poa and Puccinellia. Canad. J. Bot. 39: 123-138.
  Poa pratensis L. Poa pratensis L.   88 CromoCat 2015 Bowden, W. M. (1961). Chromosome numbers and taxonomic notes on northern grasses. IV. Tribe Festuceae: Poa and Puccinellia. Canad. J. Bot. 39: 123-138.
  Poa pratensis L. Poa pratensis L.   91 CromoCat 2015 Löve, A. & Löve, D. (1942b). Cytotaxonomic studies on boreal plants. I. Some observations on Swedish and Icelandic plants. Kungl. Fysiogr. Sällsk. Lund Förhandl. 12: 1-19.
  Poa pratensis L. Poa pratensis L.   98 CromoCat 2015 Christov, M. & Nikolov, H. (1962). Kariologiceski i embriologiceski proucvanija varhu pokolenieto na edna poliploidna forma ot Poa pratensis. Izv. Centr. Naucnoizsl. Inst. Rasten. 15: 33-41.
  Poa pratensis L. Poa pratensis L.   c.107 CromoCat 2015 Grun, P. (1951a). Poa cytology. Carnegie Inst. Wash. Year Book 50: 111-112.
  Poa pratensis L. Poa pratensis L.   c.124 CromoCat 2015 Bowden, W. M. (1961). Chromosome numbers and taxonomic notes on northern grasses. IV. Tribe Festuceae: Poa and Puccinellia. Canad. J. Bot. 39: 123-138.
  Poa pratensis L. Poa pratensis L.   c.66 CromoCat 2015 Bowden, W. M. (1961). Chromosome numbers and taxonomic notes on northern grasses. IV. Tribe Festuceae: Poa and Puccinellia. Canad. J. Bot. 39: 123-138.
  Poa pratensis L. Poa pratensis L.   c.70 CromoCat 2015 Sokolovskaya, A. P. & N. S. Probatova. (1968). A karyosystematic investigation of the far eastern species of Poa L. Bot. Žurn. 53: 1737-1743.
  Poa pratensis L. Poa pratensis L.   c.78 CromoCat 2015 Bowden, W. M. (1961). Chromosome numbers and taxonomic notes on northern grasses. IV. Tribe Festuceae: Poa and Puccinellia. Canad. J. Bot. 39: 123-138.
  Poa pratensis L. Poa pratensis L.   c.82 CromoCat 2015 Bowden, W. M. (1961). Chromosome numbers and taxonomic notes on northern grasses. IV. Tribe Festuceae: Poa and Puccinellia. Canad. J. Bot. 39: 123-138.
  Poa pratensis L. Poa pratensis L.   c.95 CromoCat 2015 Böcher, T. W. & Larsen, K. (1950). Chromosome numbers of some arctic and boreal flowering plants. Meddel. Brünland 147(6): 1-32.
!   Poa pratensis L. Poa pratensis L.   42 CromoCat 2015 Probatova, N. S. & A. P. Sokolovskaya. (1980). A karyotaxonomic study of the grasses of the Altai Mts. Bot. Zurn. 65 (4): 509-520.
!   Poa pratensis L. Poa pratensis L.   56 CromoCat 2015 Probatova, N. S. & A. P. Sokolovskaya. (1980). A karyotaxonomic study of the grasses of the Altai Mts. Bot. Zurn. 65 (4): 509-520.
!   Poa pratensis L. Poa pratensis L.   c.70 CromoCat 2015 Moore, R. J., W. G. Dore & J. McNeill. (1976). Reports [In Löve, A. (ed.), IOPB chromosome numbers reports LIII]. Taxon 25(4): 496-497.
!   Poa pratensis L. Poa pratensis L.   c.76 CromoCat 2015 Moore, R. J., W. G. Dore & J. McNeill. (1976). Reports [In Löve, A. (ed.), IOPB chromosome numbers reports LIII]. Taxon 25(4): 496-497.
!   Poa pratensis L. Poa pratensis L.   c.80 CromoCat 2015 Moore, R. J., W. G. Dore & J. McNeill. (1976). Reports [In Löve, A. (ed.), IOPB chromosome numbers reports LIII]. Taxon 25(4): 496-497.
!   Poa pratensis L. Poa pratensis L.   70 CromoCat 2015 Löve, A. & Löve, D. (1981b). Reports [In Löve, A. (ed.), IOPB chromosome numbers reports LXXI]. Taxon 30(2): 509-511.
!   Poa pratensis L. Poa pratensis L.   62 CromoCat 2015 Stoeva, M. P. (1977). Reports [In Löve, A. (ed.), IOPB chromosome numbers reports LVIII]. Taxon 26(5/6): 560.
!   Poa pratensis L. Poa pratensis L.   28 CromoCat 2015 Stoeva, M. P. (1977). Reports [In Löve, A. (ed.), IOPB chromosome numbers reports LVIII]. Taxon 26(5/6): 560.
  Poa pratensis L. Poa pratensis L.   52 IAPT/IOPB IAPT/IOPB Chromosome Data 32
!   Poa pratensis subsp. agassizensis (B. Boivin & Love) R. L. Taylor & MacBryde Poa pratensis L.   70 IPCN online Love, A. & D. Love. 1981a. In Chromosome number reports LXXI. Taxon 30: 509–511.
!   Poa pratensis subsp. alpigena (Blytt) Hiitonen Poa alpigena Lindm.   56+3B IPCN online Soreng, R. J. 2005. Miscellaneous chromosome number reports for Poa (Poaceae) in North America. Sida 21(4): 2195–2203.
!   Poa pratensis subsp. alpigena (Blytt) Hiitonen Poa alpigena Lindm.   68, 83 Love, 1948 Akerberg 1942.
!   Poa pratensis subsp. alpigena (Blytt) Hiitonen Poa alpigena Lindm.   77, 84 Love, 1948 Flovik 1938, 1940.
!   Poa pratensis subsp. alpigena (Blytt) Hiitonen Poa alpigena Lindm.   65, 73, 74, 76 Love, 1948 Hartung 1946.
!   Poa pratensis subsp. alpigena (Blytt) Hiitonen Poa alpigena Lindm.   28,35,42,56,63,70,74 eFlora  
!   Poa pratensis subsp. alpigena (Blytt) Hiitonen Poa alpigena Lindm.   76 Cave1956supp Grun 1955
  Poa pratensis subsp. angustifolia (L.) Lej. Poa angustifolia L.   49 IPCN online Lövkvist, B. & U. M. Hultgård. 1999. Chromosome numbers in south Swedish vascular plants. Opera Bot. 137: 1–42.
!   Poa pratensis subsp. angustifolia (L.) Lej. Poa angustifolia L.   28,46,51,56,63,66,72 eFlora  
!   Poa pratensis subsp. colpodea (Fr.) Tzvelev Poa alpigena Lindm.   42 IPCN online Petrovsky, V. V. & P. G. ZHUKOVA. 1981. Chromosome numbers and taxonomy of some plant species of Wrangel Island. Bot. Zhurn. 66 (3): 380–387.
  Poa pratensis subsp. pratensis Poa pratensis L.   42,56 IPCN online Probatova, N. S. & A. P. Sokolovskaya. 1980. A karyotaxonomic study of the grasses of the Altai Mts. Bot. Zhurn. 65 (4): 509–520.
!   Poa pratensis subsp. pratensis Poa pratensis L.   36, 36+2, 36-2, 37, 38+1, 38-1, 40, 40+2, 40-2, 41, 64, 68,+2, 68,-2, 69, 82+2, 82-2, 86+2, 86-2 Kumar, 1987 Dale, M.R. et al. 1975
  Poa pratensis subsp. pratensis Poa pratensis L.   105,112,119,126,133,140,28,35,42,49,50,52,56,58,63,64,66,70,77,84,91,98 eFlora  
!   Poa pratensis subsp. pruinosa (Korotky) Dickore Poa tianschanica (Regel) Hack. ex O. Fedtsch.   42 eFlora  
!   Poa pratensis subsp. rigens (Hartm.) Tzvelev Poa pratensis L.   50-100, 124 Love, 1948 Akerberg 1942.
!   Poa pratensis subsp. rigens (Hartm.) Tzvelev Poa pratensis L.   c.84, 86, 87, 90, 95 Love, 1948 Akerberg 1942.
!   Poa pratensis subsp. rigens (Hartm.) Tzvelev Poa pratensis L.   48 Love, 1948 Nygren (unpubl.).
  Poa pratensis subsp. subcaerulea (Sm.) Hiitonen Poa humilis Ehrh. ex Hoffm.   70, 84 IPCN online Lövkvist, B. & U. M. Hultgård. 1999. Chromosome numbers in south Swedish vascular plants. Opera Bot. 137: 1–42.
!   Poa pratensis var. angustifolia (L.) Sm. Poa angustifolia L.   62 IPCN75-78 Stoeva 1977
!   Poa pratensis var. pratensis Poa pratensis L.   28 Kumar, 1987 Stoeva, M.P. 1977
!   Poa pratensis var. pratensis Poa pratensis L.   90 Kumar, 1987 Fernandes, A. & Queiros, M. 1969
!   Poa sabulosa Turcz. ex Roshev. Poa pratensis L.   56 IAPT/IOPB IAPT/IOPB Chromosome Data 6
!   Poa sabulosa Turcz. ex Roshev. Poa pratensis L.   42 IAPT/IOPB IAPT/IOPB Chromosome Data 5
  Poa sergievskajae Prob. Poa pratensis L.   28 IAPT/IOPB  
  Poa sergievskajae Prob. Poa pratensis L.   56 IAPT/IOPB  
  Poa sergievskajae Prob. Poa pratensis L.   56 IPCN online Probatova, N. S. & A. P. Sokolovskaya. 1983. Chromosome numbers in Adoxaceae, Chloranthaceae, Cupressaceae, Juncaceae, Poaceae. Bot. Zhurn. SSSR 68 (12): 1683.
  Poa sergievskajae Prob. Poa pratensis L.   56 IAPT/IOPB IAPT/IOPB Chromosome Data 33