%0 Journal Article %A Gregory A Hoss %T Propagation Protocol for Ninebark (Physocarpus opulifolius) %D 2001 %R 10.3368/npj.2.1.60 %J Native Plants Journal %P 60-61 %V 2 %N 1 %U https://npj.uwpress.org/content/wpnpj/2/1/60.full.pdf