Abelia schumannii Abelia triflora Abelia uniflora Abelia x grandiflora ...

Retama monosperma (L.) Boiss.
Reynoldsia sandwicensis
Rhagodia sp.
Rhagodia spinescens R.Br.
Rhaphidophora angustata Engl.
Rhaphidophora decursiva Schott
Rhaphidophora hayi P.C.Boyce & Bogner
Rhaphidophora ledermannii Engl. & K.Krause
Rhaphidophora petrieana A.Hay
Rhaphidophora sp.
Rhaphiolepis indica (L.) Lindl. ex Ker Gawl.
Rhaphiolepis sp.
Rhaphiolepis umbellata (Thunb.) Makino
Rhaphiolepis umbellata f. ovata
Rhaphiolepis x fergusonii
Rhapidophyllum hystrix
Rhapis excelsa 'Zuikonishiki'
Rhapis excelsa (Thunb.) Henry
Rhapis humilis Blume
Rhapis multifida Burret
Rheum x cultorum 'Victoria'
Rhigozum obovatum Burch.
Rhinacanthus beesianus Diels
Rhinephyllum comptonii
Rhinerrhiza divitiflora (F.Muell. ex Benth.) Rupp
Rhipsalis boliviana
Rhipsalis capilliformis
Rhipsalis crispata
Rhipsalis dissimilis
Rhipsalis floccosa
Rhipsalis mesembryanthoides
Rhipsalis micrantha
Rhipsalis oblonga
Rhipsalis occidentalis
Rhipsalis pachyptera
Rhipsalis pulvinigera
Rhipsalis rauhiorum
Rhipsalis sp.
Rhodamnia argentea Benth.
Rhodamnia glauca Blume
Rhodamnia rubescens (Benth.) Miq.
Rhodamnia trinervia (Sm.) Blume
Rhodanthe anthemoides 'Annan Star'
Rhodanthe anthemoides 'Paper Baby'
Rhodanthe anthemoides 'Paper Cascade'