Plant Database (by name)

Russian iris - Iris ensata Thunb.

Russian olive - Elaeagnus angustifolia L.

Russian pigweed - Axyris amaranthoides L.

Russian sage - Perovskia atriplicifolia Benth.

Russian thistle - Salsola kali L.

Russian wildrye - Psathyrostachys juncea (Fisch.) Nevski

rusty blackhaw - Viburnum rufidulum Raf.

rusty lupine - Lupinus pusillus Pursh

rusty menziesia - Menziesia ferruginea Sm.

rusty popcornflower - Plagiobothrys nothofulvus (Gray) Gray

rusty woodsia - Woodsia ilvensis (L.) R. Br.

rustyseed paspalum - Paspalum langei (Fourn.) Nash

Ruth's milkweed - Asclepias uncialis Greene ssp. ruthiae (Maguire) Kartesz & Gandhi

Rydberg's milkvetch - Astragalus perianus Barneby

Rydberg's penstemon - Penstemon rydbergii A. Nels.

Rydberg's wildrye - Elymus vulpinus Rydb.

rye brome - Bromus secalinus L.

s-curve threeawn - Aristida ramosissima Engelm. ex Gray

sacahuista - Nolina microcarpa S. Wats.

sacatrapo - Caperonia palustris (L.) St.-Hil.

Sacramento Valley buttercup - Ranunculus canus Benth.

sacred bamboo - Nandina domestica Thunb.

sacred lotus - Nelumbo nucifera Gaertn.

sacred thorn-apple - Datura wrightii Regel

saelania moss - Saelania glaucescens (Hedw.) Broth. in Bomanss. & Broth.

sage - Salvia L.

sage - Salvia patens Cav.

sagebrush - Artemisia L.

sagebrush buttercup - Ranunculus glaberrimus Hook.

sagebrush cholla - Grusonia pulchella (Engelm.) H. Robinson

sagebrush Indian paintbrush - Castilleja lineariiloba (Benth.) Chuang & Heckard

sagebrush mariposa lily - Calochortus macrocarpus Dougl.

sagebrush violet - Viola vallicola A. Nels.

sageleaf willow - Salix candida Flueggé ex Willd.

sago pondweed - Stuckenia pectinata (L.) Böerner

saguaro - Carnegiea gigantea (Engelm.) Britton & Rose

sainfoin - Onobrychis viciifolia Scop.

Sakhalin spruce - Picea glehnii (F. Schmidt) Mast.

salal - Gaultheria shallon Pursh

saline wildrye - Leymus salinus (M.E. Jones) A. Löve ssp. salinus

salmonberry - Rubus spectabilis Pursh

salpiglossis - Salpiglossis K. Koch

salsify - Tragopogon porrifolius L.

salt gilia - Gilia salticola Eastw.

salt heliotrope - Heliotropium curassavicum L.

salt sandspurry - Spergularia salina J.& K. Presl

salt sedge - Carex hassei Bailey

salt spring checkerbloom - Sidalcea neomexicana Gray

saltbush - Atriplex L.

saltcedar - Tamarix ramosissima Ledeb.