Western poison oak Toxicodendron diversilobum Anacardiaceae

Red-rayed hulsea Hulsea heterochroma Asteraceae [Named for Gilbert White Hulse, 1807-1883]		Tall horseweed Erigeron canadensis Asteraceae

		Sierra onion Allium campanulatum Alliaceae		Xantus' spineflower Chorizanthe xanti var. xanti Polygonaceae
Hooker's evening primrose Oenothera elata ssp. hookeri Onagraceae [Named for William Jackson Hooker, 1785-1865]

		Naked broomrape Aphyllon purpureum Orobanchaceae
Speckled clarkia Clarkia cylindrica ssp. cylindrica Onagraceae

		Gambel's dwarf milkvetch Astragalus gambelianus Fabaceae [Named for William Gambel, 1823-1849]
California blackberry Rubus ursinus Rosaceae				Big-leaf maple Acer macrophyllum Sapindaceae

Hill lotus Acmispon brachycarpus Fabaceae		Mountain rockcress Boechera retrofracta X Brassicaceae
Earth brodiaea Brodiaea terrestris ssp. kernensis Themidaceae [Named for James Brodie (1744-1824]		Golden stars Bloomeria crocea var. crocea Themidaceae

Splendid mariposa lily Calochortus splendens Liliaceae		Clasping leaved caulanthus Caulanthus amplexicaulis Brassicaceae		Southern California morning glory Calystegia macrostegia ssp. arida Convolvulaceae

		Chaparral whitethorn Ceanothus leucodermis Rhamnaceae
Little spring beauty Claytonia exigua ssp. exigua Montiaceae

		Desert collinsia Collinsia callosa Plantaginaceae [Named for Zaccheus Collins, 1764-1831]		Venus thistle Cirsium occidentale var. venustum Asteraceae
Peak rush-rose Crocanthemum scoparium var. vulgare Cistaceae

Sharpnut cryptantha Cryptantha oxygona Boraginaceae

Small-flowered collinsia Collinsia parviflora Plantaginaceae

Dense-fruited monkeyflower Diplacus constrictus Phrymaceae Mugwort Artemisia douglasiana Asteraceae

Pinewoods cryptantha Cryptantha simulans Boraginaceae

Low canyon dudleya Dudleya cymosa ssp. pumila Crassulaceae		Parry's linanthus Linanthus parryae Polemoniaceae

Mojave rubber rabbitbrush Ericameria nauseosa var. mohavensis Asteraceae		Davidson's buckwheat Eriogonum davidsonii Polygonaceae		Ghostly rubber rabbitbrush Ericameria nauseosa var. hololeuca Asteraceae

PHOTO GALLERIES INDEX		PAGE FIFTEEN OF EIGHTEEN
CALIFORNIA PLANT NAMES: LATIN AND GREEK MEANINGS AND DERIVATIONS
VIRGINIA PLANT NAMES: LATIN AND GREEK MEANINGS AND DERIVATIONS