Prof. Itay Mayrose Lab - Plant Evolution, bioinformatics, & comparative genomics


   CCDB is a community resource. If you are aware of any missing data or if any of the counts are erroneous please submit it to the forms submit new counts, or report erroneous counts.


CCDBAngiospermsCompositaeHazardiaHazardia squarrosa (Hook. & Arn.) Greene

15 chromosome counts in Hazardia squarrosa (Hook. & Arn.) Greene:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
  Hazardia squarrosa var. squarrosa Hazardia squarrosa (Hook. & Arn.) Greene 5II(1)   Asteracea Semple et al. 1989 Rhodora
  Hazardia squarrosa (Hook. & Arn.) Greene Hazardia squarrosa (Hook. & Arn.) Greene 5II(1)   Asteracea Semple et al. 1989 Rhodora
!   Hazardia squarrosa (Hook. & Arn.) Greene Hazardia squarrosa (Hook. & Arn.) Greene 1VI+1III+1II(1) 11(1) Asteracea Jackson, R. C. 1968 Univ. Kansas Sci. Bull.
!   Hazardia squarrosa (Hook. & Arn.) Greene Hazardia squarrosa (Hook. & Arn.) Greene 1VI+1III+1II(1) 11(1) Asteracea Jackson, R. C. 1968 Univ. Kansas Sci. Bull.
  Hazardia squarrosa var. squarrosa Hazardia squarrosa (Hook. & Arn.) Greene 5II(1)   Asteracea Semple et al. 1989 Rhodora
!   Hazardia squarrosa (Hook. & Arn.) Greene Hazardia squarrosa (Hook. & Arn.) Greene   10(3) Asteracea Semple et al. 1992 Rhodora
  Haplopappus squarrosus Hook. & Arn. Hazardia squarrosa (Hook. & Arn.) Greene 5II   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 squarrosus Hook. & Arn. Hazardia squarrosa (Hook. & Arn.) Greene   10 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.
  Haplopappus squarrosus subsp. squarrosus Hazardia squarrosa (Hook. & Arn.) Greene   c.5II IPCN online Semple, J. C. 1985. Chromosome number determinations in fam. Compositae tribe Astereae. Rhodora 87: 517–527.
  Haplopappus squarrosus subsp. squarrosus Hazardia squarrosa (Hook. & Arn.) Greene 5II   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 squarrosus subsp. squarrosus Hazardia squarrosa (Hook. & Arn.) Greene 5   IPCN online Jackson, R. C. 1979. Intersectional hybridization in Haplopappus: Blepharodon X Hazandia. Syst. Bot. 4: 157–162.
!   Haplopappus squarrosus subsp. squarrosus Hazardia squarrosa (Hook. & Arn.) Greene 5   IPCN73-74 JACKSON, R.C. 1968. Hybridization and classification of Haplo~ br'ickellioides. Univ. Kansas Sci. Bull. 47: 1005-1012.
!   Haplopappus squarrosus Hook. & Arn. Hazardia squarrosa (Hook. & Arn.) Greene   10 Fedorov, 1974 Raven ct a!. 1960
!   Haplopappus squarrosus Hook. & Arn. Hazardia squarrosa (Hook. & Arn.) Greene   10 Fedorov, 1974 DeJong, Montgomery 1963
  Haplopappus squarrosus subsp. squarrosus Hazardia squarrosa (Hook. & Arn.) Greene   10 Cave1963 DeJong & Mont. 1963