{# 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.


CCDB → Angiosperms → Compositae → Machaeranthera → Machaeranthera pinnatifida (Hook.) Shinners

9 chromosome counts in Machaeranthera pinnatifida (Hook.) Shinners:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
  Machaeranthera pinnatifida (Hook.) Shinners Machaeranthera pinnatifida (Hook.) Shinners 4,8   IPCN online Powell, A. M. & S. A. Powell. 1978. Chromosome Numbers in Asteraceae. Madroño 25(3): 160–169.
  Machaeranthera pinnatifida (Hook.) Shinners Machaeranthera pinnatifida (Hook.) Shinners   4II IPCN online Semple, J. C. 1985. Chromosome number determinations in fam. Compositae tribe Astereae. Rhodora 87: 517–527.
  Machaeranthera pinnatifida (Hook.) Shinners Machaeranthera pinnatifida (Hook.) Shinners   8 IPCN online Zhao, Z. 1996. Documented chromosome numbers 1996:2. Miscellaneous U. S. A. and Mexican species, mostly Asteraceae. Sida 17(1): 259–263.
  Machaeranthera pinnatifida (Hook.) Shinners Machaeranthera pinnatifida (Hook.) Shinners 8   IPCN online WEEDIN, J. F. & A. M. POWELL. 1980. In Chromosome number reports LXIX. Taxon 29: 716–718.
  Machaeranthera pinnatifida (Hook.) Shinners Machaeranthera pinnatifida (Hook.) Shinners 4,8   IPCN online Powell, A. M. & S. A. POWELL. 1977. Chromosome numbers of gypsophilious plant species of the Chibuahuan Desert. Sida 7: 80–90.
  Machaeranthera pinnatifida var. pinnatifida Machaeranthera pinnatifida (Hook.) Shinners 4,8   IPCN online Semple, J. C. 1980. In Chromosome number reports LXVII. Taxon 29: 357–358.
  Machaeranthera pinnatifida var. pinnatifida Machaeranthera pinnatifida (Hook.) Shinners 4   IPCN online Spellenberg, R. 1979. Chromosome numbers from some federally proposed threatened or endangered southwestern angiosperms and other miscellaneous taxa. S. W. Naturalist 24: 1 87 – 206.
  Machaeranthera pinnatifida var. pinnatifida Machaeranthera pinnatifida (Hook.) Shinners 4   IPCN online Turner, B. L. 1978. In IOPB chromosome number reports LXII. Taxon 27: 519–535.
  Machaeranthera pinnatifida var. pinnatifida Machaeranthera pinnatifida (Hook.) Shinners 4   IPCN online Keil, D. J. & T. F. Stuessy. 1975. Chromosome counts of Compositae from the United States, Mexico and Guatemala. Rhodora 77: 171–195.