Cornus clarnensis
Cornus clarnensis is an extinct species of flowering plant in the dogwood family , Cornaceae , solely known from the middle Eocene sediments exposed in north central Oregon . 
<triplet> Cornus clarnensis <subj> dogwood <obj> parent taxon <triplet> dogwood <subj> Cornaceae <obj> parent taxon <triplet> Cornaceae <subj> dogwood <obj> taxonomic type