R.  Soreng, ?Poa?, in Illustrated Flora of British Columbia, G.  Douglas, Meidinger, D., and Pojar, J., Eds. Vancouver: British Columbia Mistry of Sustainable Resource Management, 2001, pp. 224-254.

P. M.  Peterson, ?Eragrostis?, in Illustrated Flora of British Columbia, G.  Douglas, Meidinger, D., and Pojar, J., Eds. Vancouver: British Columbia Ministry of Sustainable Resource Management, 2001, pp. 144-149.

P. M.  Peterson, ?Muhlenbergia?, in Illustrated Flora of British Columbia, G.  Douglas, Meidinger, D., and Pojar, J., Eds. Vancouver: British Columbia Ministry of Sustainable Resource Management, 2001, pp. 202-210.