Common hackberry 
Common hawthorn 
Common hop 
Common ladys mantle 
Common New Jersey Tea 
Common Ninebark 
Common Pear 
Common sea buckthorn 
Cotoneaster orbicularis 
Cotoneaster salicifolius 
Crataegus meyeri 
Crataegus rhipidophylla 
Crataegus × sinaica 
Creek Sandpaper Fig 
Creeping cinquefoil 
Cutleaf Evergreen Blackberry 
Densely-lobed hawthorn 
Desert Apricot 
Dog Rose 
Dotted Hawthorn 
Dropwort 
Drymocallis glandulosa 
Drymocallis regisborisii 
Dwarf bramble