Coleus strobilifer 
Colummnea strigosa 
Columnea anisophylla 
Columnea antiocana 
Columnea consanguinea 
Columnea dimidiata 
Columnea eburnea 
Columnea ericae 
Columnea rosea 
Comb Rungia 
Common ball flower 
Common bladderwort 
Common boobialla 
Common bugle 
Common butterwort 
Common Cow-wheat 
Common Figwort 
Common Hedge-Nettle 
Common hemp-nettle 
Common Lantana 
Common lavender 
Common Lilac 
Common lousewort 
Common Mare's Tail