Short-lobed broom-rape Orobanche parishii ssp. brachyloba Orobanchaceae Channel Islands		Shockley's rock-cress Arabis shockleyi Brassicaceae Cushenbury Canyon		Showy gilia Gilia cana ssp. triceps Polemoniaceae Death Valley

		Shockley's prickleleaf Hecastocleis shockleyi Asteraceae Eureka Valley
Silky raillardella Raillardella argentea Asteraceae San Gorgonio

		Wartleaf ceanothus Ceanothus papillosus var. papillosus Rhamnaceae Holy Jim Canyon		Silver Lake daisy Arida arizonica Asteraceae East Mojave Silky deerweed Lotus procumbens var. procumbens Fabaceae Liebre Mts
Silver-haired ivesia Ivesia argyrocoma Rosaceae San Bernardino Mts
Slender goldenweed Xanthisma gracile Asteraceae East Mojave

		Spreading sandwort Arenaria lanuginosa var. saxosa Caryophyllaceae San Bernardino Mts
Slender woodland star Lithophragma tenellum Saxifragaceae San Bernardino Mts

Southern mountain misery Chamaebatia australis Rosaceae Otay Mesa

Slender mariposa lily Calochortus clavatus var. gracilis Liliaceae Evey Canyon

Peirson's lupine Lupinus peirsonii Fabaceae San Gabriel Mts

Spiny goldenbush, Spiny aster Chloracantha spinosa var. spinosa Asteraceae Imperial Valley Smallflower bluecurls Trichostema micranthum Lamiaceae San Bernardino Mts

Peirson's milkvetch Astragalus magdalenae var. peirsonii Fabaceae Algodones Dunes Rosy apricot mallow Sphaeralcea ambigua var. rosacea Malvaceae Saline Valley Spiny greasebush Glossopetalon spinescens var. aridum Crossomataceae Cushenbury Canyon

Alaska rein orchid Piperia unalascensis Orchidaceae Santa Rosa Plateau Spreading gilia Ipomopsis polycladon Polemoniaceae Death Valley

		Sky lupine Lupinus nanus Fabaceae Kern County		White-flowered bluecup Githopsis diffusa ssp. candida Campanulaceae Holy Jim Canyon
Coast range bindweed Calystegia collina ssp. venusta Convolvulaceae Santa Monica Mts

Davidson's blue-eyed mary Collinsia bartsiifolia var. davidsonii Plantaginaceae Liebre Mts

Pacific false bindweed Calystegia purpurata ssp. purpurata Convolvulaceae Triunfo Creek Park

Giant woolstar Eriastrum densifolium ssp. elongatum Polemoniaceae Fish Canyon Narrows

Spreading navarretia Navarretia fossalis Polemoniaceae Otay Mesa

Parish's broom-rape Orobanche parishii ssp. parishii Orobanchaceae Thorn Meadows

INDEX

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