CCDBAngiospermsCompositaeHymenoxysHymenoxys richardsonii (Hook.) Cockerell

13 chromosome counts in Hymenoxys richardsonii (Hook.) Cockerell:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
  Hymenoxys richardsonii var. richardsonii Hymenoxys richardsonii (Hook.) Cockerell 15(2)   Asteracea Strother 1966 Southw. Naturalist
!   Hymenoxys richardsonii (Hook.) Cockerell Hymenoxys richardsonii (Hook.) Cockerell 28(1)   Asteracea Weedin & P. 1980 Taxon
  Hymenoxys richardsonii (Hook.) Cockerell Hymenoxys richardsonii (Hook.) Cockerell   30 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.
  Hymenoxys richardsonii (Hook.) Cockerell Hymenoxys richardsonii (Hook.) Cockerell 15   IPCN online Parfitt, B. D., M. A. Baker & M. L. Gallagher. 1985. Chromosome Number Reports LXXXVI. Taxon 34: 159–164.
  Hymenoxys richardsonii (Hook.) Cockerell Hymenoxys richardsonii (Hook.) Cockerell 15II   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.
  Hymenoxys richardsonii (Hook.) Cockerell Hymenoxys richardsonii (Hook.) Cockerell 28   IPCN online WEEDIN, J. F. & A. M. POWELL. 1980. In Chromosome number reports LXIX. Taxon 29: 716–718.
  Hymenoxys richardsonii (Hook.) Cockerell Hymenoxys richardsonii (Hook.) Cockerell 15   IPCN online Hartman, R. L. 1977. In IOPB chromosome number reports LVI. Taxon 26: 257–274.
  Hymenoxys richardsonii (Hook.) Cockerell Hymenoxys richardsonii (Hook.) Cockerell 14   IPCN66 Taylor & Brockman 1966
!   Hymenoxys richardsonii subsp. richardsonii Hymenoxys richardsonii (Hook.) Cockerell 15   IPCN66 Strother 1966a
!   Hymenoxys richardsonii (Hook.) Cockerell Hymenoxys richardsonii (Hook.) Cockerell   30 IPCN73-74 KOVANDA, M. 1972. Somatic chromosome numbers for some Asteraceae. Rhodora 74: 102-116.
  Hymenoxys richardsonii (Hook.) Cockerell Hymenoxys richardsonii (Hook.) Cockerell 15   IPCN73-74 WATSON, T.J., Jr. 1973. Chromosome numbers in Compositae from the southwestern United states. Southw. Naturalist 18: 117-124.
!   Hymenoxys richardsonii (Hook.) Cockerell Hymenoxys richardsonii (Hook.) Cockerell   30 eFlora  
  Hymenoxys richardsonii var. richardsonii Hymenoxys richardsonii (Hook.) Cockerell   30 eFlora