Graves, W.R., Schrader, J.R., and Sharma, J. (2006) Cold hardiness of the rare Dirca occidentalis: comparisons to Dirca palustris from disparate provenances. Journal of Environmental Horticulture 24: 169-172.
Year Published:
2006
Article Title:
Cold hardiness of the rare Dirca occidentalis: comparisons to Dirca palustris from disparate provenances
Article ID:
1105