CCDBAngiospermsCompositaeXanthismaHaplopappus spinulosus subsp. spinulosus

4 chromosome counts in Haplopappus spinulosus subsp. spinulosus:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
  Haplopappus spinulosus subsp. spinulosus Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm.   8, 16 IPCN online Hauber, D. 1986. Autotetraploidy in Haplopappus spinulosus hybrids: evidence from natural and synthetic tetraploids. Amer. J. Bot. 73: 1595–1606.
  Haplopappus spinulosus subsp. spinulosus Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. 4II   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.
!   Haplopappus spinulosus subsp. spinulosus Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. 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.
!   Haplopappus spinulosus subsp. spinulosus Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. 4   Cave1957 Jackson a