Rose, Albertine
Albertine Rose
Rosmarinus officinalis
Rosemary
Rubia peregrina
Wild Madder
Rubus aquarum
Rubus ariconiensis
Rubus biloensis
Rubus caesius
Dewberry
Rubus fruticosus agg.
Blackberry
Rubus idaeus
Raspberry
Rubus incurvatus
Rubus iscanus
Rubus nemoralis
Rubus ordovicum
Rubus pedemontanus
Rubus saxatilis
Stone Bramble
Rubus spectabilis
Salmonberry
Rubus troiensis
Rubus tuberculatus
Rubus ulmifolius
Elmleaf Blackberry
Rubus vestitus
Ruella simplex
Mexican Petunia
Ruellia simplex
Mexican Petunia
Rumex acetosa
Common Sorrel
Rumex acetosella
Sheep's Sorrel
Rumex crispus
Curled Dock
Rumex hydrolapathum
Water Dock
Rumex maritimus
Golden Dock
Rumex obtusifolius
Broad-leaved Dock
Rumex scutatus
French Sorrel
Ruscus aculeatus
Butcher's-broom
Sabulina verna
Spring Sandwort
Sagina filicaulis
Slender Pearlwort
Sagina nodosa
Knotted Pearlwort
Sagina procumbens
Procumbent Pearlwort
Sagittaria sagittifolia
Arrowhead
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 caprea
Goat Willow
Salix cinerea
Grey Willow
Salix pentandra
Bay Willow
Salix purpurea
Purple Willow
Salix repens
Creeping Willow
Salix viminalis
Osier
Salix x fragilis
Crack-willow
Salpichroa origanifolia
Cock's-eggs
Salsola kali
Prickly Saltwort
Salvia elegans
Pineapple sage
Salvia farinacea
Mealy Sage
Salvia involucrata
Rosy-leaf sage
Salvia leucanthe
Mexican Bush Sage
Salvia microphylla
Blackcurrant Sage
Salvia officinalis
Sage
Salvia pratensis
Meadow Clary
Salvia splendens
Bonfire Salvia
Salvia verbenaca
Wild Clary
Sambucus ebulus
Dwarf Elder
Sambucus nigra
Elder
Samolus valerandi
Brookweed
Sanguisorba officinalis
Great Burnet
Sanicula europaea
Sanicle
Saponaria officinalis
Soapwort
Satureja montana
Winter Savory
Saxifraga
Saxifrage
Saxifraga aizoides
Yellow Saxifrage
Saxifraga cespitosa
Tufted Saxifrage
Saxifraga granulata
Meadow Saxifrage