Rosa sp.
Rosa spinosissima
Burnet Rose
Rosa stylosa
Short-styled Field-rose
Rose, Albertine
Albertine Rose
Rosmarinus officinalis
Rosemary
Rubia peregrina
Wild Madder
Rubus aquarum
Rubus ariconiensis
Rubus biloensis
Rubus caesius
Dewberry
Rubus dasyphyllus
Rubus fraxinifolius
Mountain Raspberry
Rubus fruticosus agg.
Blackberry
Rubus fuscicortex
Rubus idaeus
Raspberry
Rubus incurvatus
Rubus iscanus
Rubus nemoralis
Rubus nessensis
Rubus ordovicum
Rubus pedemontanus
Rubus saxatilis
Stone Bramble
Rubus scissus
Rubus sp
Rubus spectabilis
Salmonberry
Rubus tricolor
Chinese Bramble
Rubus troiensis
Rubus tuberculatus
Rubus ulmifolius
Elmleaf Blackberry
Rubus vestitus
Ruella simplex
Mexican Petunia
Ruellia simplex
Mexican Petunia
Ruellia tuberosa
Minnieroot
Rumex acetosa
Common Sorrel
Rumex acetosella
Sheep's Sorrel
Rumex confertus
Russian Dock
Rumex crispus
Curled Dock
Rumex cristatus
Greek Dock
Rumex hydrolapathum
Water Dock
Rumex maritimus
Golden Dock
Rumex obtusifolius
Broad-leaved Dock
Rumex palustris
Marsh Dock
Rumex pulcher
Fiddle Dock
Rumex rupestris
Shore Dock
Rumex sanguineus
Wood Dock
Rumex scutatus
French Sorrel
Sabulina verna
Spring Sandwort
Sagina apetala
Annual Pearlwort
Sagina filicaulis
Slender Pearlwort
Sagina nodosa
Knotted Pearlwort
Sagina procumbens
Procumbent Pearlwort
Salicornia dolichostachya
Long-spiked Glasswort
Salicornia emerici
Shiny Glasswort
Salicornia europaea
Common Glasswort
Salicornia fragilis
Yellow Glasswort
Salicornia ramosissima
Purple Glasswort
Salix alba
White Willow
Salix aurita
Eared Willow
Salix caprea
Goat Willow
Salix cinerea
Grey Willow
Salix herbacea
Dwarf Willow
Salix pentandra
Bay Willow
Salix purpurea
Purple Willow
Salix repens
Creeping Willow
Salix viminalis
Osier
Salix x fragilis
Crack-willow
Salix x meyeriana
Shiny-leaved Willow
Salpichroa origanifolia
Cock's-eggs
Salsola kali
Prickly Saltwort
Salvia elegans
Pineapple sage