Plants of
San Diego County, California


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Field Botany of San Diego County Plants List

Last updated 8 Jan 2017

CHAPARRAL, COASTAL SAGE SCRUB-1: Mission Trails Regional Park (Cowles Mtn. field trip)
  1. Hesperoyucca whipplei --- Our Lord's Candle --- Agavaceae
  2. Malosma laurina --- Laurel Sumac --- Anacardiaceae
  3. Artemisia californica --- Coastal Sagebrush --- Asteraceae
  4. Baccharis sarothroides --- Broom Baccharis --- Asteraceae
  5. Bahiopsis laciniata --- San Diego Sunflower --- Asteraceae 
  6. Gutierrezia sarothrae --- Broom Matchweed/Snakeweed --- Asteraceae
  7. Hazardia squarrosa --- Saw-tooth Goldenbush --- Asteraceae
  8. Porophyllum gracile --- Odora --- Asteraceae
  9. Hirschfeldia incana --- Short-Pod Mustard --- Brassicaceae
10. Cylindropuntia prolifera --- Coast Cholla --- Cactaceae
11. Marah macrocarpa var. macrocarpa --- Manroot, Wild-Cucumber --- Cucurbitaceae
12. Xylococcus bicolor --- Mission Manzanita --- Ericaceae
13. Euphorbia polycarpa [Chamaesyce p.]--- Snakeroot --- Euphorbiaceae
14. Acmispon glaber var. glaber [Lotus scoparius var. s.] --- Deerweed --- Fabaceae
15. Salvia mellifera --- Black Sage --- Lamiaceae
16. Diplacus puniceus [Mimulus aurantiacus] --- Coast Monkeyflower --- Phrymaceae
17. Eriogonum fasciculatum var. fasciculatum --- California Buckwheat --- Polygonaceae
18. Myriopteris newberryi --- California Cotton Fern --- Pteridaceae
19. Pellaea mucronata var. mucronata --- Bird's Foot Cliff-Brake --- Pteridaceae
20. Ceanothus tomentosus --- Ramona-Lilac --- Rhamnaceae
21. Rhamnus crocea --- Spiny Redberry --- Rhamnaceae
22. Adenostoma fasciculatum --- Chamise --- Rosaceae
23. Selaginella bigelovii --- Bigelow's Spike-Moss --- Selaginellaceae
24. Selaginella cinerascens --- Mesa Spike-Moss --- Selaginellaceae

RIPARIAN WOODLAND: M.T.R.P. (Old Mission Dam/Oak Canyon field trip)
1. Baccharis salicifolia subsp. salicifolia --- Mule Fat, Seep-Willow --- Asteraceae
2. Platanus racemosa --- Western Sycamore --- Platanaceae
3. Populus fremontii subsp. fremontii --- Western Cottonwood --- Salicaceae
4. Salix lasiolepis --- Arroyo Willow --- Salicaceae

CHAPARRAL, COASTAL SAGE SCRUB, OAK WOODLAND-2: M.T.R.P. (Old Mission Dam field trip)
1. Sambucus nigra subsp. caerulea --- Blue Elderberry --- Adoxaceae
2. Rhus integrifolia --- Lemonadeberry --- Anacardiaceae
3. Toxicodendron diversilobum --- Western Poison-Oak --- Anacardiaceae
4. Isocoma menziesii var. vernonioides --- Goldenbush --- Asteraceae
5. Quercus agrifolia var. agrifolia --- Coast Live Oak --- Fagaceae
6. Erodium botrys --- Long-Beak Filaree/Storksbill --- Geraniaceae
7. Erodium cicutarium --- Red-Stem Filarre/Storksbill --- Geraniaceae
8. Erodium moschatum --- White-Stem Filaree/Storksbill --- Geraniaceae
9. Ribes indecorum --- White Flower Currant --- Grossulariaceae
10. Salvia apiana --- White Sage --- Lamiaceae
11. Malacothamnus fasciculatus --- Chaparral Bushmallow --- Malvaceae
12. Claytonia perfoliata subsp. perfoliata --- Miner's Lettuce --- Montiaceae
13. Mirabilis laevis var. crassifolia --- Coastal Wishbone Plant --- Nyctaginaceae
14. Avena barbata --- Slender Wild Oat --- Poaceae
15. Bromus diandrus --- Ripgut Grass --- Poaceae
16. Bromus rubens --- Foxtail Chess --- Poaceae
17. Stipa pulchra --- Purple Needlegrass --- Poaceae
18. Pentagramma glanduloviscida --- Silverback Fern
19. Thalictrum fendleri var. polycarpum --- Fendler's Meadow-Rue --- Ranunculaceae
20. Cercocarpus minutiflorus --- San Diego Mountain-Mahogany --- Rosaceae
21. Heteromeles arbutifolia --- Toyon, Christmas Berry --- Rosaceae
22. Prunus ilicifolia subsp. ilicifolia --- Islay, Holly-Leaf Cherry --- Rosaceae
23. Dichelostemma capitatum subsp. capitatum --- Blue Dicks --- Themidaceae

TORREY PINE WOODLAND: Torrey Pine Woodland, Inland Sage Scrub, Chaparral, & Coastal Strand
1. Yucca schidigera --- Mohave Yucca -- Agavaceae
2. Lomatium lucidum --- Apiaceae
3. Encelia californica --- California Encelia --- Asteraceae
4. Eriophyllum confertiflorum --- Long-Stem Golden-Yarrow --- Asteraceae
5. Leptosyne maritima [Coreopsis m.] --- Sea-Dahlia --- Asteraceae
6. Cryptantha intermedia --- Nievitas Cryptantha --- Boraginaceae
7. Phacelia distans --- Phacelia --- Boraginaceae
8. Cardamine californica var. californica --- Milkmaids, Toothwort --- Brassicaceae
9. Ferocactus viridescens var. viridescens --- Coast Barrel Cactus --- Cactaceae
10. Opuntia littoralis --- Coastal Prickly-Pear --- Cactaceae
11. Peritoma arborea var. arborea --- Bladderpod --- Cleomaceae
12. Calystegia macrostegia subsp. intermedia --- Morning-Glory --- Convolvulaceae
13. Dudleya edulis --- Ladies' Fingers --- Crassulaceae
14. Dudleya lanceolata --- Coastal Dudleya --- Crassulaceae
15. Quercus dumosa --- Nuttall's Scrub Oak --- Fagaceae
16. Eriodictyon crassifolium var. crassifolium --- Yerba Santa --- Hydrophyllaceae
17. Abronia umbellata subsp. umbellata --- Beach Sand Verbena --- Nyctaginaceae
18. Dendromecon rigida --- Bush-Poppy --- Papaveraceae
19. Eschscholzia californica --- California Poppy --- Papaveraceae
20. Pinus torreyana --- Torrey Pine --- Pinaceae
21. Linanthus dianthiflorus --- --- Polemoniaceae
22. Polypodium californicum --- California Polypody --- Polypodiaceae
23. Ceanothus verrucosus --- Wart-Stem-Lilac --- Rhamnaceae
24. Galium angustifolium subsp. angustifolium --- Narrow-Leaf Bedstraw --- Rubiaceae
25. Cneoridium dumosum --- Coast Spice Bush, Bush-Rue --- Rutaceae
26. Solanum parishii --- Parish's Nightshade --- Solanaceae

DESERT PLANTS: Creosote Bush Scrub, Dry Desert Wash, Succulent Desert Scrub, Alkaline Desert Wash
1. Justicia californica --- Chuparosa, Beloperone --- Acanthaceae
2. Agave deserti --- Desert Agave --- Agavaceae
3. Washingtonia filifera --- California Fan Palm --- Arecaceae
4. Ambrosia dumosa --- White Bur-Sage/Burro-Weed --- Asteraceae
5. Ambrosia salsola var. s. --- Cheesebush, Burrobrush --- Asteraceae
6. Bebbia juncea --- Rush Sweetbush
7. Encelia farinosa --- Brittlebush, Incienso --- Asteraceae
8. Cylindropuntia bigelovii --- Teddy-Bear/Jumping Cholla
9. Cylindropuntia ganderi --- Gander's Cholla
10. Echinocereus engelmannii --- Engelmann's Hedgehog Cactus --- Cactaceae
11. Ferocactus cylindraceus --- California Barrel Cactus --- Cactaceae
12. Mammillaria dioica --- Fish-Hook Cactus --- Cactaceae
13. Opuntia basilaris var. basilaris --- Beavertail Cactus --- Cactaceae
14. Atriplex hymenelytra --- Desert Holly --- Chenopodiaceae
15. Atriplex polycarpa --- Many-Fruit Saltbush --- Chenopodiaceae
16. Ephedra sp. --- Mormon-Tea --- Ephedraceae
17. Acalypha californica --- Copperleaf --- Euphorbiaceae
18. Psorothamnus schottii --- Indigo Bush --- Fabaceae
19. Psorothamnus spinosus --- Smoke Tree --- Fabaceae
20. Prosopis glandulosa var. torreyana --- Honey Mesquite --- Fabaceae
21. Senegalia greggii [Acacia greggii] --- Catclaw Acacia --- Fabaceae
22. Fouquieria splendens subsp. splendens --- Ocotillo --- Fouquieriaceae
23. Krameria bicolor [K. grayi] --- White Ratany --- Krameriaceae
24. Condea emoryi [Hyptis e.] --- Desert-Lavender --- Lamiaceae
25. Prunus fremontii --- Desert Apricot --- Rosaceae
26. Simmondsia chinensis --- Jojoba, Goatnut --- Simmondsiaceae
27. Phoradendron californicum --- Desert Mistletoe --- Viscaceae
28. Larrea tridentata --- Creosote Bush --- Zygophyllaceae

PINYON PINE-JUNIPER WOODLAND:
1. Juniperus californica --- California Juniper --- Cupressaceae
2. Quercus cornelius-mulleri --- Desert Scrub Oak --- Fagaceae
3. Pinus monophylla --- Single-Leaf Pinyon Pine --- Pinaceae
4. Coleogyne ramosissima --- Blackbush --- Rosaceae

DESERT ANNUALS:
1. Hesperocallis undulata --- Desert Lily --- Agavaceae
2. Chaenactis fremontii --- Desert Pincushion --- Asteraceae
3. Malacothrix glabrata --- Desert Dandelion --- Asteraceae
4. Palafoxia arida var. arida --- Desert Spanish Needles --- Asteraceae
5. Perityle emoryi --- Emory's Rock-Daisy --- Asteraceae
6. Dithyrea californica --- Spectacle-Pod --- Brassicaceae
7. Salvia columbariae --- Chia --- Lamiaceae
8. Abronia villosa --- Sand-Verbena --- Nyctaginaceae
9. Chylismia claviformis subsp. peirsonii --- Peirson's Evening Primose --- Onagraceae
10. Eremothera boothii subsp. condensata --- Desert Lanthern --- Onagraceae
11. Oenothera deltoides subsp. deltoides --- Dune Evening-Primrose --- Onagraceae
12. Eschscholzia minutiflora --- Pygmy Gold-Poppy --- Papaveraceae
13. Eschscholzia parishii --- Parish's Gold-Poppy --- Papaveraceae
14. Diplacus bigelovii var. bigelovii --- Desert Monkey Flower --- Phrymaceae
15. Mohavea confertiflora --- Ghost Flower --- Plantaginaceae
16. Chorizanthe brevicornu --- Brittle Spine Flower --- Polygonaceae
17. Eriogonum inflatum --- Desert Trumpet --- Polygonaceae

VERNAL POOL PLANTS:
1. Eryngium aristulatum var. parishii --- San Diego Button-Celery --- Apiaceae
2. Cotula coronopifolia --- Brass Buttons --- Asteraceae
3. Psilocarphus brevissimus var. brevissimus --- Dwarf Woolly-Heads --- Asteraceae
4. Psilocarphus tenellus var. tenellus --- Slender Wooly-Heads --- Asteraceae
5. Plagiobothrys acanthocarpus --- Adobe Allocarya --- Boraginaceae
6. Downingia cuspidata --- Downingia --- Campanulaceae
7. Crassula aquatica --- Water Pygmy Weed --- Crassulaceae
8. Eleocharis macrostachya --- Spikerush --- Cyperaceae
9. Elatine brachysperma --- Waterwort --- Elatinaceae
10. Isoetes howellii --- Howell's Quillwort --- Isoetaceae
11. Isoetes orcuttii --- Orcutt's Quillwort --- Isoetaceae
12. Triglochin scilloides [Lilaea s.] --- Flowering Quill Wort --- Juncaginaceae
13. Pogogyne abramsii --- San Diego Mesa Mint --- Lamiaceae
14. Lythrum hyssopifolium --- Grass Poly --- Lythraceae
15. Pilularia americana --- American Pillwort --- Marsileaceae
16. Anagalis minima [Centunculus minimus] --- Chaffweed --- Myrsinaceae
17. Callitriche marginata --- Water-Starwort --- Plantaginaceae
18. Deschampsia danthonioides --- Annual Hairgrass --- Poaceae
19. Brodiaea orcuttii --- Orcutt's Brodiaea --- Themidaceae

VERNAL POOL ASSOCIATES (also found outside vernal pools)
1. Lasthenia gracilis --- Common Goldfields --- Asteraceae
2. Zeltnera venusta --- Canchalagua --- Gentianaceae
3 . Sisyrinchium bellum --- Blue-Eyed-Grass --- Iridaceae
4. Castilleja densiflora subsp. gracilis --- Parish's Owl's-Clover --- Orobanchaceae
5. Castilleja exserta subsp. exserta --- Purple Owl's-Clover --- Orobanchaceae
6. Muilla maritima --- Coastal Muilla --- Themidaceae

SALT MARSH: Tijuana Estuary
1. Arthrocnemum subterminale --- Parish's Pickleweed --- Chenopodiaceae
2. Salicornia pacifica --- Pacific Pickleweed --- Chenopodiaceae
1/2. Arthrocnemum subterminale and Salicornia pacifica --- Chenopodiaceae
3. Jaumea carnosa --- Salty Susan --- Asteraceae
4. Batis maritima --- Saltwort, Beachwort --- Bataceae
5. Cressa truxillensis --- Alkali Weed --- Convolvulaceae
6. Cuscuta pacifica --- Rough Saltmarsh Dodder --- Convolvulaceae
7. Frankenia salina --- Alkali-Heath --- Frankeniaceae
8. Triglochin maritima --- Arrow-Grass --- Juncaginaceae
9. Limonium californicum --- Western Marsh-Rosemary --- Plumbaginaceae
10. Distichlis littoralis --- Shoregrass --- Poaceae
11. Distichlis spicata --- Saltgrass --- Poaceae
12. Spartina foliosa --- California Cord Grass --- Poaceae
13. Lycium californicum --- California Desert Thorn --- Solanaceae

FRESHWATER/BRACKISH MARSH:
1. Schoenoplectus californicus --- California Bulrush --- Cyperaceae
2. Juncus acutus subsp. leopoldii --- Southwestern Spiny Rush --- Juncaceae
3. Typha latifolia --- Broad-Leaf Cattail --- Typhaceae

COASTAL DUNE PLANTS:
1. Ambrosia chamissonis --- Beach-Bur --- Asteraceae
2. Cakile maritima --- European Sea Rocket --- Brassicaceae
3. Abronia maritima --- Red Sand-Verbena --- Nyctaginaceae
4. Camissoniopsis cheiranthifolia subsp. suffruticosa --- Beach Evening-Primrose --- Onagraceae

MONTANE: Forest, Meadow, and Riparian Woodland, Cuyamaca & Laguna Mtns.
1. Rhus aromatica --- Skunk Bush --- Anacardiaceae
2. Symphoricarpos albus var. laevigatus --- Snowberry --- Caprifoliaceae
3. Euonymus occidentalis var. parishii --- San Diego Burning Bush --- Celastraceae
4. Cornus sericea subsp. occidentalis --- Creek Dogwood --- Cornaceae
5. Calocedrus decurrens --- California Incense Cedar --- Cupressaceae
6. Pteridium aquilinum var. pubescens --- Western Braken --- Dennstaedtiaceae
7. Equisetum arvense --- Common Horsetail --- Equisetaceae
8. Arctostaphylos pungens --- Point-Leaf Manzanita --- Ericaceae
9. Rhododendron occidentale --- Western Azalea --- Ericaceae
10. Lupinus bicolor --- Miniature Lupine -- Fabaceae
11. Quercus agrifolia var. oxyadenia --- Interior Coast Live Oak --- Fagaceae
12. Quercus chrysolepis --- Canyon Live Oak --- Fagaceae
13. Quercus kelloggii --- California Black Oak --- Fagaceae
14. Abies concolor --- White Fir --- Pinaceae
15. Pinus coulteri --- Coulter Pine --- Pinaceae
16. Pinus jeffreyi --- Jeffrey Pine --- Pinaceae
17. Pinus lambertiana --- Sugar Pine --- Pinaceae
18. Pinus ponderosa --- Pacific Ponderosa Pine --- Pinaceae
19. Bromus hordeaceus --- Soft Chess --- Poaceae
20. Bromus tectorum --- Cheat Grass, Downy Brome --- Poaceae
21. Muhlenbergia rigens --- Deer Grass --- Poaceae
22. Ceanothus palmeri --- Palmer's-Lilac --- Rhamnaceae
23. Frangula californica subsp. tomentella --- Chaparral Coffeeberry --- Rhamnaceae
24. Cercocarpus betuloides var. betuloides --- Birch-Leaf Mountain-Mahogany --- Rosaceae
25. Fragaria vesca --- California/Wood Strawberry --- Rosaceae
26. Prunus virginiana var. demissa --- Western Chokecherry --- Rosaceae
27. Rosa californica --- California Rose --- Rosaceae
28. Arceuthobium campylopodum --- Western Dwarf Mistletoe --- Viscaceae

MONTANE CHAPARRAL:
1. Rhus ovata --- Sugar Bush --- Anacardiaceae
2. Arctostaphylos glandulosa --- Manzanita --- Ericaceae
Montane 12. Quercus chrysolepis --- Canyon Live Oak --- Fagaceae
3. Garrya flavescens --- Ashy Silk Tassel --- Garryaceae
4. Eriodictyon trichocalyx var. lanatum --- Hairy Yerba Santa --- Hydrophyllaceae
5. Umbellularia californica --- California Bay --- Lauraceae 
 Torrey Pines 18. Dendromecon rigida --- Bush-Poppy --- Papaveraceae
6. Pinus quadrifolia --- Parry Pinyon --- Pinaceae
7. Ceanothus perplexans --- Cup-Leaf-Lilac --- Rhamnaceae
8. Ceanothus leucodermis --- Chaparral Whitethorn --- Rhamnaceae
Montane 24 . Ce
rcocarpus betuloides var. betuloides --- Birch-Leaf Mountain-Mahogany --- Rosaceae
9. Prunus ilicifolia subsp. ilicifolia --- Islay, Holly-Leaf Cherry --- Rosaceae

SAGEBRUSH CHAPARRAL:
1. Artemisia tridentata --- Mountain Sagebrush --- Asteraceae