Last updated October 1, 2009
Name | Family | Nativity |
Ranunculus sp. | Ranunculaceae | |
Rauhia peruviana | Liliaceae | Peru |
Rauvolfia caffra | Apocynaceae | South Africa |
Rauvolfia samarensis | Apocynaceae | Philippines |
Ravenea madagascariensis | Arecaceae | Madagascar |
Ravenea monticola | Arecaceae | Madagascar |
Ravenea rivularis | Arecaceae | Madagascar |
Rebutia arenacea | Cactaceae | Bolivia(Cochabamba) |
Rebutia canigueralii | Cactaceae | Bolivia |
Rebutia peruviana | Cactaceae | |
Reineckea carnea | Convallariaceae | China, Japan |
Rhagodia spinescens v. deltophylla | Chenopodiaceae | S Australia |
Rhamnus alaternus | Rhamnaceae | Portugal |
Rhamnus californica cv. Eve Case | Rhamnaceae | California |
Rhamnus californica cv. Eve Case | Rhamnaceae | Wester US |
Rhamnus californicus | Rhamnaceae | W United States |
Rhamnus californicus v. tomentella | Rhamnaceae | California |
Rhaphidophora decursiva | Araceae | SE Asia |
Rhapidophyllum hystrix | Arecaceae | SE United States |
Rhapis excelsa | Arecaceae | S China |
Rhapis humilis | Arecaceae | China |
Rhipsalis cereuscula | Cactaceae | Cen Brazil to Uraguay |
Rhipsalis cf. elliptica | Cactaceae | Brazil |
Rhipsalis clavata | Cactaceae | SE Brazil |
Rhipsalis crispa | Cactaceae | |
Rhipsalis grandiflora | Cactaceae | Brazil |
Rhipsalis micrantha | Cactaceae | Brazil |
Rhipsalis micrantha | Cactaceae | Ecuador |
Rhipsalis micrantha x naranja | Cactaceae | |
Rhipsalis monacantha v. espinosa | Cactaceae | N Argentina |
Rhipsalis pachyptera | Cactaceae | Brazil |
Rhipsalis paradoxa | Cactaceae | Brazil |
Rhipsalis paradoxa | Cactaceae | SE Brazil |
Rhipsalis pentaptera | Cactaceae | S Brazil |
Rhipsalis pilocarpa | Cactaceae | Brazil |
Rhipsalis platycarpa | Cactaceae | Brazil |
Rhipsalis rhombea | Cactaceae | Brazil |
Rhipsalis sp. | Cactaceae | |
Rhipsalis sulcata | Cactaceae | Brazil |
Rhipsalis teres | Cactaceae | Brazil |
Rhipsalis teres | Cactaceae | S Brazil |
Rhododendron atlanticum | Ericaceae | North America |
Rhododendron canescens | Ericaceae | North America |
Rhododendron catawbiense x viscosum cv. Fragrans | Ericaceae | |
Rhododendron cubittii cv. Ashcombe | Ericaceae | |
Rhododendron cuffeanum | Ericaceae | |
Rhododendron cv. Alaska | ericacaea | |
Rhododendron cv. Anah Kruschke | Ericaceae | |
Rhododendron cv. Angeles Crest | Ericaceae | |
Rhododendron cv. Arthur Bedford | Ericaceae | |
Rhododendron cv. Brilliant | ericacaea | |
Rhododendron cv. Christmas Cheer | ericacaea | |
Rhododendron cv. Chrysomanicum | Ericaceae | |
Rhododendron cv. Corona | Ericaceae | |
Rhododendron cv. Dame Nellie Melba | Ericaceae | |
Rhododendron cv. Duc de Rohan | ericacaea | |
Rhododendron cv. Fastuosum Flore Pleno | Ericaceae | |
Rhododendron cv. Formosa | ericacaea | |
Rhododendron cv. Forsterianum | Ericaceae | |
Rhododendron cv. Fragrantissimum Improved | Ericaceae | |
Rhododendron cv. George Budgen | Ericaceae | |
Rhododendron cv. George Lindley Tabor | ericacaea | |
Rhododendron cv. L. J. Bobbink | ericacaea | |
Rhododendron cv. Loderi Ilam Cream | Ericaceae | |
Rhododendron cv. Loder’s White | Ericaceae | |
Rhododendron cv. Mamie | ericacaea | |
Rhododendron cv. Mexicali Rose | ericacaea | |
Rhododendron cv. My Mary | Ericaceae | |
Rhododendron cv. Percy Wiseman | Ericaceae | |
Rhododendron cv. Pink Pearl | Ericaceae | |
Rhododendron cv. Point Defiance | Ericaceae | |
Rhododendron cv. Pride of Dorking | ericacaea | |
Rhododendron cv. Princess Alexandra | Ericaceae | |
Rhododendron cv. Rainbow | Ericaceae | |
Rhododendron cv. Red Wing | ericacaea | |
Rhododendron cv. Reine Long | Ericaceae | |
Rhododendron cv. Roseum Elegans | ericacaea | |
Rhododendron cv. Southern Charm | ericacaea | |
Rhododendron cv. Tahitian Dream | Ericaceae | |
Rhododendron cv. Tressa McMurry | Ericaceae | |
Rhododendron cv. Van Nes Sensation | Ericaceae | |
Rhododendron cv. Warlock | Ericaceae | |
Rhododendron cv. White Pearl | Ericaceae | |
Rhododendron formosum | Ericaceae | India |
Rhododendron ponticum | Ericaceae | Europe and Asia |
Rhododendron sp. | Ericaceae | |
Rhododendron viscosum x prunifolium | Ericaceae | |
Rhododendron x atlanticum | Ericaceae | |
Rhombophyllum dolabriforme | Aizoaceae | South Africa |
Rhopalostylis baueri | Arecaceae | Australia(Norfolk Is.) |
Rhopalostylis sapida | Arecaceae | New Zealand |
Rhus integrifolia | Anacardiaceae | S California to Baja, Ca |
Rhus lentii | Anacardiaceae | Mexico |
Rhus ovata | Anacardiaceae | California |
Rhynchospora colorata | Cyperaceae | SE United States |
Ribes viburnifolium | Saxifragaceae | S California to NW Mexico |
Rohdea japonica | Convallariaceae | China, Japan |
Rosa cv. Cinco de Mayo | Rosaceae | |
Rosa cv. Hot Cocoa | Rosaceae | |
Rosa cv. Julia Child | Rosaceae | |
Rosa cv. Livin’ Easy | Rosaceae | |
Rosmarinus officinalis | Lamiaceae | Mediterranean |
Rosmarinus officinalis cv. Lockwood de Forest | Lamiaceae | |
Rosularia pallida | Crassulaceae | Cen Asia |
Rotala indica | Lythraceae | Asia |
Roystonea regia | Arecaceae | Cuba |
Rudbeckia fulgida v. sullivantii cv. Goldstrum | Asteraceae | |
Rudbeckia hirta | Asteraceae | E United States |
Rudbeckia hirta cv. Cherokee Sunset | Asteraceae | |
Ruellia brittoniana | Acanthaceae | Mexico |
Ruellia macrantha | Acanthaceae | Brazil |
Ruellia makoyana | Acanthaceae | Brazil |
Ruellia sp. | Acanthaceae | |
Rumohra adiantiformis | Polypodiaceae | Asia to Australia |
Rumohra adiantiformis cv. Davis | Dryopteridaceae | |
Ruschia centrocapsula | Aizoaceae | South Africa |
Russelia equisetiformis | Scrophulariaceae | Mexico |