List of Latin and Greek Words Commonly Used in Systematic Names - List of Words - R

Latin/Greek	Language	English	Example
repandus	L	Curved upwards, turned up	Peruvian Apple Cactus, Cereus repandus; Hedgehog Mushroom, Hydnum repandum
repens	L	1. Creeping, crawling (rēpens); 2. Unexpected (rĕpens)	Creeping Buttercup, Ranunculus repens; White Clover, Trifolium repens
reptans	L	Creeping, crawling	Potentilla reptans (creeping cinquefoil); Ajuga reptans (bugle); Reptilia
rhis, rhino-	G ῥις, ῥινο-	Nose	Orange Leaf-nosed Bat, Rhinonicteris aurantia
rhiza	G ῥίζα	Root	Bushy Seedbox, Ludwigia helminthorrhiza; Rhizobium (nitogen-fixing soil bacteria)
rhynchos	G ῥύγχος	Beak or snout	Mallard, Anas platyrhynchos
rhyti-, rhytis	G ῥυτίς	Wrinkled, folded	Shaggy Moss, Rhytidiadelphus triquetrus; Rhytidodon (syn. Rutiodon)
rostra	L	Beak, bill, snout	Common Crossbill, Loxia curvirostra
rostralis	L	With a beak	Buttoned Snout moth, Hypena rostralis
ruber	L	Red	Red Valerian, Centranthus ruber; Summer Tanager, Piranga rubra; Red Maple, Acer rubrum
rufus	L	Reddish, red	Red Wolf, Canis rufus