CCDBAngiospermsCompositaeXylorhizaXylorhiza tortifolia (Torr. & A. Gray) Greene

9 chromosome counts in Xylorhiza tortifolia (Torr. & A. Gray) Greene:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
  Xylorhiza tortifolia (Torr. & A. Gray) Greene Xylorhiza tortifolia (Torr. & A. Gray) Greene 6, 12(1, 1)   Asteracea Watson 1978 Madrono
!   Xylorhiza tortifolia (Torr. & A. Gray) Greene Xylorhiza tortifolia (Torr. & A. Gray) Greene   12(1) Asteracea Zhao & T. 1993 Sida (= J. Bot. Res. Inst. Texas)
  Xylorhiza tortifolia (Torr. & A. Gray) Greene Xylorhiza tortifolia (Torr. & A. Gray) Greene 6(1)   Asteracea Turner & H. 1964 Brittonia
  Xylorhiza tortifolia var. tortifolia Xylorhiza tortifolia (Torr. & A. Gray) Greene   12, 24(30, 4) Asteracea Watson 1978 Madrono
  Xylorhiza tortifolia (Torr. & A. Gray) Greene Xylorhiza tortifolia (Torr. & A. Gray) Greene   12 IPCN online Semple, J. C., J. G. Chmielewski & C. Xiang. 1992. Chromosome number determinations in fam. Compositae, tribe Astereae. IV. Additional reports and comments on the cytogeography and status of some species of Aster and Solidago. Rhodora 94: 48–62.
  Xylorhiza tortifolia (Torr. & A. Gray) Greene Xylorhiza tortifolia (Torr. & A. Gray) Greene   12 IPCN online Zhao, Z. & B. L. Turner. 1993. Documented chromosome numbers 1993: 3. Miscellaneous U.S.A. and Mexican species, mostly Asteraceae. Sida 15: 649–653.
!   Machaeranthera tortifolia (Torr. & A. Gray) Cronquist & D. D. Keck Xylorhiza tortifolia (Torr. & A. Gray) Greene 6   IPCN online Pinkava, D. J. & D. J. Keil. 1977. Chromosome counts of Compositae from the United States and Mexico. Amer. J. Bot. 64: 680–686.
  Xylorhiza tortifolia var. tortifolia Xylorhiza tortifolia (Torr. & A. Gray) Greene 6,12 12 IPCN online Watson, T. J. 1978. Chromosome numbers in Xylorhiza Nuttall (Asteraceae Astereae). Madroño 25: 205–210.
  Xylorhiza tortifolia var. tortifolia Xylorhiza tortifolia (Torr. & A. Gray) Greene   12,24 eFlora