{# load django_bootstrap5#%} CCDB server
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.


CCDBAngiospermsCactaceaeMammillariaMammillaria heyderi var. heyderi

4 chromosome counts in Mammillaria heyderi var. heyderi:


Name Accepted Name Gametophytic(n) Sporophytic(2n) Data Source reference
!   Mammillaria heyderi var. heyderi Mammillaria heyderi Muehlenpf. 11   Baker, 2009  
  Mammillaria heyderi var. heyderi Mammillaria heyderi Muehlenpf.   22 IPCN online Weedin, J. F. & A. M. Powell. 1978. Chromosome numbers in Chihuahuan desert Cactaceae. Trans-Pecos Texas. Amer. J. Bot. 65: 531–537.
!   Mammillaria heyderi var. heyderi Mammillaria heyderi Muehlenpf.   22 IPCN75-78 Weedin & Powell 1978a
  Mammillaria heyderi var. heyderi Mammillaria heyderi Muehlenpf.   22 eFlora