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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 new counts, or report erroneous counts.


CCDBAngiospermsCompositaeThelespermaThelesperma megapotamicum (Spreng.) Kuntze

14 chromosome counts in Thelesperma megapotamicum (Spreng.) Kuntze:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
  Thelesperma megapotamicum var. megapotamicum Thelesperma megapotamicum (Spreng.) Kuntze 18II+2IV(1)   Asteracea Powell et al. 2010 Phytologia
  Thelesperma megapotamicum (Spreng.) Kuntze Thelesperma megapotamicum (Spreng.) Kuntze 11(1)   Asteracea Ward 1983 Phytologia
  Thelesperma megapotamicum (Spreng.) Kuntze Thelesperma megapotamicum (Spreng.) Kuntze 11   IPCN online Ward, D. E. 1983. Chromosome counts from New Mexico and southern Colorado. Phytologia 54: 302–309.
  Thelesperma megapotamicum (Spreng.) Kuntze Thelesperma megapotamicum (Spreng.) Kuntze 22II   IPCN online Keil, D. J., M. A. Luckow & D. J. Pinkava. 1988. Chromosome studies in Asteraceae from the United States, Mexico, the West Indies, and South America. Amer. J. Bot. 75: 652–668.
  Thelesperma megapotamicum (Spreng.) Kuntze Thelesperma megapotamicum (Spreng.) Kuntze   40 IPCN online Zhao, Z. 1996. Documented chromosome numbers 1996:2. Miscellaneous U. S. A. and Mexican species, mostly Asteraceae. Sida 17(1): 259–263.
  Thelesperma megapotamicum (Spreng.) Kuntze Thelesperma megapotamicum (Spreng.) Kuntze 9II+RIV or 11II   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.
  Thelesperma megapotamicum (Spreng.) Kuntze Thelesperma megapotamicum (Spreng.) Kuntze 11   IPCN online Turner, B. L., J. BACON, L. Urbatsh & B. Simpson. 1979. Chromosome numbers in South American Compositae. Amer. J. Bot. 66: 173–178.
  Thelesperma megapotamicum (Spreng.) Kuntze Thelesperma megapotamicum (Spreng.) Kuntze 11,22,18II+2 rings of 4   IPCN online Powell, A. M. & S. A. POWELL. 1977. Chromosome numbers of gypsophilious plant species of the Chibuahuan Desert. Sida 7: 80–90.
  Thelesperma megapotamicum (Spreng.) Kuntze Thelesperma megapotamicum (Spreng.) Kuntze 44   IPCN online Strother, J. L. 1976a. Chromosome studies in Compositae. Amer. J. Bot. 63: 247–250.
  Thelesperma megapotamicum (Spreng.) Kuntze Thelesperma megapotamicum (Spreng.) Kuntze 17   IPCN online Keil, D. J. & D. J. Pinkava. 1976. Chromosome counts and taxonomic notes for Compositae from the United States and Mexico. Amer. J. Bot. 63: 1393–1403.
  Thelesperma megapotamicum var. megapotamicum Thelesperma megapotamicum (Spreng.) Kuntze 11II, 22II, 18II+2IV, etc.   IPCN online Greer, L. F. & A. M. Powell. 1999. Documented chromosome numbers 1999: 1. Chromosome numbers and pollen diameter variation in Thelesperma (Asteraceae). Sida 18(3): 909–925.
!   Thelesperma megapotamicum (Spreng.) Kuntze Thelesperma megapotamicum (Spreng.) Kuntze 22   IPCN67-71 POWELL, A.M. & s. SIKES. 1970. Chromosome numbers of some chihuahuan desert Compositae. Southw. Naturalist 15: 175-186.
!   Thelesperma megapotamicum (Spreng.) Kuntze Thelesperma megapotamicum (Spreng.) Kuntze   22,44 eFlora  
!   Thelesperma megapotamicum (Spreng.) Kuntze Thelesperma megapotamicum (Spreng.) Kuntze   22 Darlington, 1955 Schnack & C. 1947