Explore 62,425 Species
Virginia meadowbeauty
Rhexia virginica L.
Rhexia virginica L. is a perennial herb native to eastern North America that gro…
Karoo Gold
Rhigozum obovatum Burch.
Karoo gold (Rhigozum obovatum) is a perennial Bignoniaceae shrub or tree native …
Snake Jasmine
Rhinacanthus nasutus (L.) Kuntze
Rhinacanthus nasutus, or snake jasmine, is a tropical Asian shrub that has been …
Greater Yellow Rattle
Rhinanthus alectorolophus (Scop.) Pollich
Rhinanthus alectorolophus, the European yellow-rattle, is a native European plan…
Aristate Yellow-rattle
Rhinanthus glacialis Personnat
Rhinanthus glacialis is a hemiparasitic European herbaceous rattle that grows in…
Yellow Rattle
Rhinanthus minor L.
Rhinanthus minor L., or yellow rattle, is a hemiparasitic annual herb used for r…
Greater Yellow-rattle
Rhinanthus serotinus (Schönh. ex Halácsy & Heinr.Braun) Oborny
Rhinanthus serotinus (yellow rattle) is an annual hemiparasitic herb used to res…
California milkwort
Rhinotropis californica (Nutt.) J.R.Abbott
Rhinotropis californica, or California milkwort, is a milkwort family flowering …
Sierra milkwort
Rhinotropis cornuta (Kellogg) J.R.Abbott
Rhinotropis cornuta, or Sierra milkwort, is a milkwort family flowering plant na…
Lindheimer's Milkwort
Rhinotropis lindheimeri (A.Gray) J.R.Abbott
Rhinotropis lindheimeri, or Lindheimer's Milkwort, is a semi-woody plant found f…
Mistletoe Cactus
Rhipsalis baccifera (J.S.Muell.) Stearn
Rhipsalis baccifera, the mistletoe cactus, is the only cactus species naturally …
rhizomnium moss
Rhizomnium glabrescens (Kindb.) T.J.Kop.
Rhizomnium glabrescens is an upright unbranched unisexual leafy moss common in l…
Dotted Thyme-moss
Rhizomnium punctatum (Hedw.) T.J.Kop.
Rhizomnium punctatum is a moss species with distinct physical traits, native acr…
Tall-stilt Mangrove
Rhizophora apiculata Blume
Rhizophora apiculata Blume is a variable-height mangrove species with commercial…
red mangrove
Rhizophora mangle L.
Rhizophora mangle L. (red mangrove) is a salt-tolerant viviparous coastal tree w…
Indo-West Pacific Stilt Mangrove
Rhizophora mucronata Lam.
Rhizophora mucronata is an Indo-Pacific mangrove evergreen tree with multiple ec…
spotted mangrove
Rhizophora stylosa Griffith
Rhizophora stylosa Griffith is a tree that grows in coastal Asian, Australian an…
scrub turpentine
Rhodamnia rubescens (Benth.) Miq.
Rhodamnia rubescens is a small to medium tree that produces berries eaten by bir…
western roseroot
Rhodiola integrifolia Raf.
Rhodiola integrifolia is a stonecrop family flowering plant, whose rare US subsp…
Queen's Crown
Rhodiola rhodantha (A.Gray) H.Jacobsen
Rhodiola rhodantha is a succulent flowering plant native to the U.S. Rocky Mount…
Roseroot
Rhodiola rosea L.
Rhodiola rosea L. is a small dioecious fleshy plant that grows in cold regions, …
Rose Moss
Rhodobryum roseum (Hedw.) Limpr.
Rhodobryum roseum is a distinctive rosette-forming medicinal moss that is often …
White-flowered Rhododendron
Rhododendron albiflorum Hook.
Rhododendron albiflorum is a deciduous white-flowered mountain shrub native to n…
Tree Rhododendron
Rhododendron arboreum Sm.
Rhododendron arboreum Sm. is a large tree-like rhododendron, that holds the reco…