X Citrofortunella microcarpa 'Tiger' Citrullus lanatus
Citrullus lanatus 'Seedless Red Flesh' Citrullus lanatus 'Sweet Beauty'
Citrus aurantium 'Chinotto' Citrus limon
Citrus limon 'Eureka' Citrus limon 'Meyer'
Citrus x paradisi Citrus x paradisi 'Red Marsh'
Citrus reticulata Citrus sinensis
Citrus sinensis 'Dwarf Valencia' Citrus spp.
Cladrastis lutea Cladrastis lutea 'Rosea'
Cladrastis sinensis Clarkia amoena
Clarkia amoena 'Dwarf Mix Improved' Clarkia bottae
Clarkia pulchella Claytonia virginica
Cleistocactus baumannii Cleistocactus fieldianus
Cleistocactus hyalacanthus Cleistocactus samaipatanus
Cleistocactus sextonianus Cleistocactus strausii
Clematis Clematis 'Asao'
Clematis 'Blue Angel (Blekitny Aniol)' Clematis 'Cardinal Wyszynski'
Clematis 'Carnaby' Clematis 'Dorota'
Clematis 'Guernsey Cream' Clematis 'John Paul II'
Clematis 'Miss Bateman' Clematis 'Mme Le Coultre'
Clematis 'Montana Rubens' Clematis 'Mrs. N. Thompson'
Clematis 'Multi Blue' Clematis 'Pink Fantasy'
Clematis 'Ramona' Clematis 'Sho-Un'
Clematis 'Silver Moon' Clematis 'Snow Queen'
Clematis 'Sunset' Clematis 'Sweet Summer Love'
Clematis 'Vyvyan Pennell' Clematis 'Warsaw Nike'
Clematis 'Will Goodwin' Clematis (z)(Florida Group) 'Belle of Woking'
Clematis (z)(Florida Group) 'Duchess of Edinburgh' Clematis (z)(Jackmanii Group) 'Comtesse de Bouchard'
Clematis (z)(Jackmanii Group) 'Gipsy Queen' Clematis (z)(Jackmanii Group) 'Hagley Hybrid'
Clematis (z)(Jackmanii Group) 'Jackmanii' Clematis (z)(Jackmanii Group) 'Madame Edourd Andre'
Clematis (z)(Jackmanii Group) 'Mrs. Cholmondeley' Clematis (z)(Jackmanii Group) 'Niobe'
Clematis (z)(Jackmanii Group) 'Perle d'Azur' Clematis (z)(Jackmanii Group) 'Prince Phillip'
Clematis (z)(Jackmanii Group) 'Serenata' Clematis (z)(Jackmanii Group) 'Star of India'
Clematis (z)(Jackmanii Group) 'Violet Star Gazer' Clematis (z)(Lanuginosa Group) 'General Sikorski'
Clematis (z)(Lanuginosa Group) 'Henryi' Clematis (z)(Lanuginosa Group) 'Nelly Moser'
Clematis (z)(Patens Group) 'Bee's Jubilee' Clematis (z)(Patens Group) 'Doctor Ruppel'
Clematis (z)(Patens Group) 'Elsa Spath' Clematis (z)(Patens Group) 'Gillian Blades'
Clematis (z)(Patens Group) 'The President' Clematis (z)(Viticella Group) 'Betty Corning'
Clematis (z)(Viticella Group) 'Ernest Markham' Clematis (z)(Viticella Group) 'Etiole Violette'
Clematis (z)(Viticella Group) 'Lady Betty Balfour' Clematis (z)(Viticella Group) 'Madame Julia Correvon'
Clematis (z)(Viticella Group) 'Minuet' Clematis (z)(Viticella Group) 'Ville de Lyon'
Clematis addisonii Clematis armandii
Clematis heracleifolia 'Alan Bloom' Clematis integrifolia
Clematis integrifolia 'Hanajina' Clematis integrifolia 'Rose Colored Glasses'
Clematis integrifolia 'Rosea' Clematis x jackmanii
Clematis x jackmanii 'Purpurea Superba' Clematis lanuginosa 'Candida'
Clematis lanuginosa 'Red Cardinal' Clematis macropetala 'Markham's Pink'
Clematis montana Clematis montana 'Alexander'
Clematis montana var. rubens Clematis ochroleuca
Clematis paniculata Clematis recta 'Purpurea'
Clematis tangutica Clematis tangutica 'Helios'
Clematis terniflora Clematis texensis 'Duchess of Albany'
Clematis tibetana Clematis virginiana
Clematis viticella 'Ramona'