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.


CCDBAngiospermsCompositaeSymphyotrichumVirgulus patens var. patens

3 chromosome counts in Virgulus patens var. patens:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
  Virgulus patens var. patens Symphyotrichum patens (Aiton) G. L. Nesom   20 IPCN online Semple, J. C. 1984. Cytogeographic studies on North American Asters. I. Range surveys of Virgulus adnatus, V. concolor, V. georgianus, V. grandiflorus, V. novae-angliae, V. oblongifolius, V. patens and V. walteri. Amer. J. Bot. 71: 522–531.
  Virgulus patens var. patens Symphyotrichum patens (Aiton) G. L. Nesom   20 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.
  Virgulus patens var. patens Symphyotrichum patens (Aiton) G. L. Nesom   20 IPCN online Semple, J. C., J. Zhang & C. Xiang. 1993. Chromosome number determinations in fam. Compositae, tribe Astereae. V. Eastern North American taxa. Rhodora 95: 234–253.