- Cotoneaster franchetii
- Cotoneaster frigidus
- Cotoneaster glaucophyllus
- Cotoneaster microphyllus
- Cotoneaster racemiflorus
- Cotoneaster serotinus
- Cotoneaster simonsii
- Cotoneaster wardii
- Cotoneaster x watereri
- Cotula coronopifolia
- Cousinia thomsonii
- Cowania mexicana