Brazil

Grugru palm

Acrocomia totai

Reticulated barnacle

Amphibalanus reticulatus

hoary basil

Ocimum africanum

Wood sorrel

Oxalis triangularis

Rhinoceros Cactus

Coryphantha cornifera

Dwarf Turk's Cap Cactus

Melocactus matanzanus

River Maple

Acer saccharinum

Pyramidflower

Melochia pyramidata

Roadside pepperweed

Lepidium ruderale

Winter Polypore

Lentinus brumalis

Rock Fingerwort

Lepidozia cupressina

rock veilwort

Metzgeria conjugata

Cannon Fungus

Sphaerobolus stellatus

root-spine palm

Cryosophila warscewiczii

Rootless Duckweed

Wolffia arrhiza

Root rot

Phytophthora cinnamomi

Rose cactus

Pereskia grandifolia

Rose glorybower

Clerodendrum bungei

Roseleaf raspberry

Rubus rosifolius

Roselle

Hibiscus sabdariffa

Rose Moss

Rhodobryum roseum

Rose-of-Sharon

Hypericum calycinum

rose-scent geranium

Pelargonium graveolens

spear grass

Nassella hyalina

Rosy Crust

Peniophora incarnata

Rough Bluegrass

Poa trivialis

rough joint-vetch

Aeschynomene rudis

Roxburgh fig

Ficus auriculata

rough-stalk witchgrass

Panicum hirticaule

Rounded Earthstar

Geastrum saccatum

Roundleaf geranium

Geranium rotundifolium

Roundleaf gum

Eucalyptus deanei

royal cross

Mammillaria karwinskiana

Ruby Dapperling

Leucoagaricus rubrotinctus

Royal poinciana

Delonix regia

ruffle palm

Aiphanes horrida

Cratered Duster

Amphinema byssoides

Dainty sandmallow

Sidastrum micranthum

timbo

Deguelia utilis

Sandpaper Tree

Curatella americana

Rufous Milk-Cap

Lactarius rufus

pompomweed

Campuloclinium macrocephalum

Common Pimpernel

Lysimachia arvensis

matted paspalum

Paspalum minus

Concord Grape

Vitis labrusca

Crookneck Nodding-Moss

Pohlia camptotrachela

Delicate Fern Moss

Thuidium delicatulum

Dixie rosemallow

Hibiscus mutabilis

crimson bluestem

Schizachyrium sanguineum

orange cup coral

Tubastraea coccinea

Trachelomonas dangeardiana

Euglena clara

Lepiota forquignonii

glaucous cotoneaster

Cotoneaster glaucophyllus

Trachelomonas cervicula

Xenasma rimicola

Trachelomonas helvetica

Panaeolus antillarum

Protectocarpus speciosus

Anthostomella tomicoides