CCDBAngiospermsCompositaeSymphyotrichumAster occidentalis (Nutt.) Torr. & A. Gray

13 chromosome counts in Aster occidentalis (Nutt.) Torr. & A. Gray:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
  Aster occidentalis (Nutt.) Torr. & A. Gray Symphyotrichum spathulatum (Lindl.) G. L. Nesom 8, 6+1IV, 8+1B, 16+16+4B, etc. 16, 16+2-3B, 16+5-6B, 24, 32, etc. IPCN online Allred, K. W. & F. W. Gould. 1983. Systematics of the Bothriochloa saccharoides complex (Poaceae: Andropogoneae). Syst. Bot. 8(2): 168–184.
  Aster occidentalis (Nutt.) Torr. & A. Gray Symphyotrichum spathulatum (Lindl.) G. L. Nesom   16, 32, 64 IPCN online Semple, J. C. 1985. Chromosome number determinations in fam. Compositae tribe Astereae. Rhodora 87: 517–527.
  Aster occidentalis (Nutt.) Torr. & A. Gray Symphyotrichum spathulatum (Lindl.) G. L. Nesom   32 IPCN online Semple, J. C. & J. G. Chmielewski. 1987. Chromosome number determinations in fam. Compositae, tribe Astereae. II. Additional counts. Rhodora 89: 319–325.
  Aster occidentalis (Nutt.) Torr. & A. Gray Symphyotrichum spathulatum (Lindl.) G. L. Nesom   16 IPCN online Semple, J. C. 1983. Range expansion of Heterotheca camporum (Compositae: Asteraceae) in the southeastern United States. Brittonia 35(2): 140–146.
  Aster occidentalis (Nutt.) Torr. & A. Gray Symphyotrichum spathulatum (Lindl.) G. L. Nesom   16, 32, 64 IPCN online Semple, J. C. 1983. Range expansion of Heterotheca camporum (Compositae: Asteraceae) in the southeastern United States. Brittonia 35(2): 140–146.
  Aster occidentalis (Nutt.) Torr. & A. Gray Symphyotrichum spathulatum (Lindl.) G. L. Nesom 8II, 8II+5B, 16II+4B, etc 16+4B, ca. 32 IPCN online Dean, M. L. & K. L. Chambers. 1983. Chromosome numbers and evolutionary patterns in the Aster occidentalis (Asteraceae) polyploid complex of western North America. Brittonia 35: 189–196.
  Aster occidentalis (Nutt.) Torr. & A. Gray Symphyotrichum spathulatum (Lindl.) G. L. Nesom   16, 32, 40 IPCN online Semple, J. C., J. G. Chmielewski & M. E. Lane. 1989. Chromosome number determinations in fam. Compositae, tribe Astereae. III. Additional counts and comments on generic limits and ancestral base numbers. Rhodora 91: 296–314.
  Aster occidentalis (Nutt.) Torr. & A. Gray Symphyotrichum spathulatum (Lindl.) G. L. Nesom   16 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.
  Aster occidentalis (Nutt.) Torr. & A. Gray Symphyotrichum spathulatum (Lindl.) G. L. Nesom 8   IPCN online Allen, G. A. & C. L. Eccleston. 1998. Genetic resemblance of allotetraploid Aster ascendens to its diploid progenitors Aster falcatus and Aster occidentalis. Canad. J. Bot. 76: 338–344.
!   Aster occidentalis (Nutt.) Torr. & A. Gray Symphyotrichum spathulatum (Lindl.) G. L. Nesom 8 8 IPCN67-71 SOLBRIG, Q.T., L.C. ANDERSON, D.W. KYHOS, & P.H. RAVEN. 1969. Chromosome numbers in Compositae. VIII: Astereae III. Amer. J. Bot. 56: 348-353.
!   Aster occidentalis (Nutt.) Torr. & A. Gray Symphyotrichum spathulatum (Lindl.) G. L. Nesom   16 IPCN73-74 KOVANDA, M. 1972. Somatic chromosome numbers for some Asteraceae. Rhodora 74: 102-116.
!   Aster occidentalis (Nutt.) Torr. & A. Gray Symphyotrichum spathulatum (Lindl.) G. L. Nesom   c.27 IPCN73-74 ANDERSON, L.C., D.W. KYHOS, T. MOSQUIN, A.M. POWEL~, & P.H. RAVEN. 1974. Chromosome numbers in Compositae. IX Haplopappus and other Astereae. Amer. J. Bot. 61: 665-671.
!   Aster occidentalis (Nutt.) Torr. & A. Gray Symphyotrichum spathulatum (Lindl.) G. L. Nesom   16 Cave1958 Huziwara 1958b