1. Of or related to algometry
   - algometric

See also: algometry

• genus Regulus
• genus Reithrodontomys
• genus Remilegia
• genus Reseda
• genus Retama
• genus Reticulitermes
• genus Retrophyllum
• genus Rhagoletis
• genus Rhamnus
• genus Rhapis
• genus Rhea
• genus Rheum
• genus Rhexia
• genus Rhincodon
• genus Rhinoceros
• genus Rhinonicteris
• genus Rhinoptera
• genus Rhipsalis
• genus Rhizobium
• genus Rhizoctinia
• genus Rhizophora
• genus Rhizopogon
• genus Rhizopus
• genus Rhodanthe
• genus Rhododendron