 
  	  CCDB is a community resource. If you are aware of any missing data or if any of the counts are erroneous, please submit new counts, or report erroneous counts.
CCDB → Angiosperms → Poaceae → Muhlenbergia → Muhlenbergia ramulosa (Humb. & Bonpl. & Kunth) Swallen
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Muhlenbergia ramulosa (Humb. & Bonpl. & Kunth) Swallen | Muhlenbergia ramulosa (Humb. & Bonpl. & Kunth) Swallen | 20 | IPCN online | Pohl, R. W. & G. Davidse. 1971. Chromosome numbers of Costa Rican grasses. Brittonia 23(3): 293–324. | ||
| ! | Muhlenbergia ramulosa (Humb. & Bonpl. & Kunth) Swallen | Muhlenbergia ramulosa (Humb. & Bonpl. & Kunth) Swallen | 10 | IPCN online | Peterson, P. M. 1988. Chromosome numbers in the annual Muhlenbergia (Poaceae). Madroño 35(4): 320–324. | ||
| ! | Muhlenbergia ramulosa (Humb. & Bonpl. & Kunth) Swallen | Muhlenbergia ramulosa (Humb. & Bonpl. & Kunth) Swallen | 10 | IPCN online | Peterson, P. M. & C. R. Annable. 1991. Systematics of the annual species of Muhlenbergia (Poaceae—Eragrostideae). Syst. Bot. Monogr. 31: 1–109. | ||
| ! | Muhlenbergia ramulosa (Humb. & Bonpl. & Kunth) Swallen | Muhlenbergia ramulosa (Humb. & Bonpl. & Kunth) Swallen | 20 | IPCN66 | Gould 1966 | ||
| ! | Muhlenbergia ramulosa (Humb. & Bonpl. & Kunth) Swallen | Muhlenbergia ramulosa (Humb. & Bonpl. & Kunth) Swallen | 20 | IPCN67-71 | POHL, R.W., & G. DAVIDSE. 1971. Chromosome numbers of Costa Rican grasses. Brittonia 23: 293-324. | ||
| Muhlenbergia wolfii (Vasey) Rydb. | Muhlenbergia ramulosa (Humb. & Bonpl. & Kunth) Swallen | 20 | IPCN67-71 | REEDER, J.R. 1968. Notes on Mexican grasses VIII. Miscellaneous chromosome numbers - 2. Bull. Torrey Bot. Club 95: 69-86. |