Below are the words that matched your query...
Genus Chamaemelum
- small genus of plants sometimes included in genus Anthemis: chamomile
Genus Chaenactis
- genus of flowering herbs of western United States
Genus Chrysanthemum
- in some classifications many plants usually assigned to the genus Chrysanthemum have been divided among other genera: e.g. Argyranthemum; Dendranthema; Leucanthemum; Tanacetum
Genus Chrysothamnus
- genus of low branching shrubs of western North America
Genus Cnicus
- one species: blessed thistle
Genus Conyza
- common American weed or wildflower