Corokia x virgata 'Yellow Wonder' Correa 'Carmine Bells'
Correa 'Dusky Bells' Correa backhousiana
Correa harrisii x Correa lawrenciana
Correa pulchella Correa reflexa var. nummularlifolia
Corylopsis glabrescens Corylopsis grandulifera var. hypoglauca
Corylopsis pauciflora Corylopsis sinensis var. calvescens
Corylopsis spicata Corylopsis spicata 'Aurea'
Corylopsis spicata 'Gold Spring' Corylus americana
Corylus avellana 'Atropurpurea' Corylus avellana 'Contorta'
Corylus avellana 'Contorta Purpurea' Corylus colurna
Corymbia abergiana Corymbia eximia
Corymbia intermedia Corymbia leichhardtii
Corymbia maculata Corymbia watsoniana
Corynocarpus laevigata Corypha umbraculifera
Corypha utan Corytoplectus capitatus
Corytoplectus cutucuensis Cotinus x 'Grace'
Cotinus coggygria Cotinus coggygria 'Flame'
Cotinus coggygria 'Golden Spirit' Cotinus coggygria 'Purple Robe'
Cotinus coggygria 'Purpureus' Cotinus coggygria 'Royal Purple'
Cotinus coggygria 'Velvet Cloak' Cotinus coggygria 'Young Lady'
Cotinus obovatus Cotinus obovatus X C. coggygria
Cotoneaster x 'Hessei' Cotoneaster x 'Tom Thumb'
Cotoneaster acutifolius Cotoneaster adpressus
Cotoneaster affinis Cotoneaster apiculatus
Cotoneaster congestus Cotoneaster conspicuus
Cotoneaster conspicuus 'Decorus' Cotoneaster dammeri
Cotoneaster dammeri 'Coral Beauty' Cotoneaster dammeri 'Mooncreeper'
Cotoneaster dammeri 'Skogholm' Cotoneaster dammeri var. radicans
Cotoneaster forrestii Cotoneaster horizontalis
Cotoneaster horizontalis 'Perpusillus' Cotoneaster horizontalis 'Robusta'
Cotoneaster horizontalis 'Variegatus' Cotoneaster lacteus
Cotoneaster linearifolius Cotoneaster lucidus
Cotoneaster microphyllus 'Emerald Spray' Cotoneaster multiflorus
Cotoneaster nanshan Cotoneaster sabrinus
Cotoneaster salicifolius Cotoneaster salicifolius 'Repens'
Cotoneaster salicifolius 'Scarlet Leader' Cotoneaster salicifolius var. floccosus
Cotoneaster suecicus 'Erlinda' Couroupita guianensis
Coursetia glandulosa Crataegus aestivalis
Crataegus ambigua Crataegus crus-galli
Crataegus crus-galli 'Hooks' Crataegus crus-galli var. inermis
Crataegus laevigata Crataegus laevigata 'Paul's Scarlet'
Crataegus x lavallei Crataegus mollis
Crataegus monogyna Crataegus monogyna 'Inermis Compacta'
Crataegus paucispina Crataegus phaenopyrum
Crataegus punctata Crataegus viridis 'Winter King'
Crescentia cujete Crinodendron patagua
Crossopetalum ilicifolium Crowea exalata
Cryptocarya obovata Cryptocarya rubra