Mohr’s Rosinweed (Silphium mohrii) is a herbaceous perennial that is native to in the southeastern United States. This plant is a host to a species of moth and is an important nectar source for other… 

Prairie Rosinweed (Silphium terebinthinaceum) is a herbaceous perennial that is native to the midwestern and eastern United States and the province of Ontario in Canada. This plant is a host to a species of moth… 

Cup-Plant (Silphium perfoliatum) is a herbaceous perennial that is native to the midwestern United States and the province of Ontario in Canada. This plant is a host to a species of moth and a butterfly… 

Rough-Stem Rosinweed (Silphium radula) is a herbaceous perennial that is native to the midwestern United States and the province of Ontario in Canada. This plant is a host to two species of moth and a… 

Compassplant (Silphium laciniatum) is a herbaceous perennial that is native to the midwestern United States and the province of Ontario in Canada. This plant is a host to two species of moth and a butterfly… 

Entire-leaf Rosinweed (Silphium integrifolium) is a herbaceous perennial that is native to the midwestern United States and the province of Ontario in Canada. This plant is a host to a moth and a butterfly and… 

Kidney-leaf Rosinweed (Silphium compositum) is a herbaceous perennial that is native to the southeastern United States. This plant is a host to a moth and a butterfly and is an important nectar source for other… 

Cumberland Rosinweed (Silphium brachiatum) is a herbaceous perennial that is native to the southeastern United States. This plant is a host to a moth and a butterfly and is an important nectar source for other…