San Francisco Bay Area Plant Encyclopedia
- Rebutia heliosa
- Rebutia heliosa v. melanistic
- Rebutia kupperiana
- Rebutia marsoneri
- Rebutia mentosa
- Rebutia minuscula
- Rebutia narvaecensis
- Rebutia neocumingii ssp. trollii
- Rebutia perplexa
- Rebutia pulvinosa
- Rebutia pygmaea
- Rebutia “Sunrise”
- Restio multiflorus
- Restio quadratus
- Restio tetraphyllus
- Rhaphidophora decursiva
- Rhaphidophora hayi
- Rhaphidophora tetrasperma
- Rhipsalis baccifera
- Rhipsalis baccifera ssp. horrida
- Rhipsalis burchellii
- Rhipsalis cereoides
- Rhipsalis cereuscula
- Rhipsalis elliptica
- Rhipsalis ewaldiana
- Rhipsalis heteroclada
- Rhipsalis heteroclada v. simba
- Rhipsalis mesembryanthemoides
- Rhipsalis microcarpa
- Rhipsalis oblonga