CCDBAngiospermsCompositaeXanthismaXanthisma texanum subsp. drummondii (Torr. & A. Gray) Semple

4 chromosome counts in Xanthisma texanum subsp. drummondii (Torr. & A. Gray) Semple:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
!   Xanthisma texanum subsp. drummondii (Torr. & A. Gray) Semple Xanthisma texanum var. drummondii (Torr. & A. Gray) A. Gray 4+1B, 5 (= 4II+1BII)(3, 3) 8+0-2Bs(5) Asteracea Semple 1976b Amer. J. Bot.
  Xanthisma texanum subsp. drummondii (Torr. & A. Gray) Semple Xanthisma texanum var. drummondii (Torr. & A. Gray) A. Gray 4+1B, 5 (= 4II+1BII)(3, 3) 8+0-2Bs(5) Asteracea Semple 1976b Amer. J. Bot.
  Xanthisma texanum subsp. drummondii (Torr. & A. Gray) Semple Xanthisma texanum var. drummondii (Torr. & A. Gray) A. Gray 4II   IPCN online Freeman, C. C. & R. E. Brooks. 1988. Documented plant chromosome numbers 1988: 1. Chromosome counts for North American plants -- I. Sida 13: 241–250.
!   Xanthisma texanum subsp. drummondii (Torr. & A. Gray) Semple Xanthisma texanum var. drummondii (Torr. & A. Gray) A. Gray 4, 4+1B, 5   IPCN73-74 SEMPLE, J.C. 1974. The geographical distribution of B-chromosomes of Xanthisma texanum DC. (Asteraceae). I. Survey of the range. Amer. J. Bot. 61: 995-1001.