Plants of
San Diego County, California


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Field Botany of San Diego County Plants List

Last updated 8 Mar. 2017

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

OPTIONAL:
CHAPARRAL, COASTAL SAGE SCRUB-1
21. Hazardia squarrosa --- Saw-tooth Goldenbush --- Asteraceae
22. Porophyllum gracile --- Odora --- Asteraceae
23. Cylindropuntia prolifera --- Coast Cholla --- Cactaceae
25. Hirschfeldia incana --- Short-Pod Mustard --- Brassicaceae
26. Myriopteris newberryi --- California Cotton Fern --- Pteridaceae

QUIZ ON 1-4 and 1-20 IN THE FIELD ON SAT. 18 FEB.:
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. Ribes indecorum --- White Flower Currant --- Grossulariaceae
8. Salvia apiana --- White Sage --- Lamiaceae
9. Malacothamnus fasciculatus --- Chaparral Bushmallow --- Malvaceae
10. Claytonia perfoliata subsp. perfoliata --- Miner's Lettuce --- Montiaceae
11. Mirabilis laevis var. crassifolia --- Coastal Wishbone Plant --- Nyctaginaceae
12. Avena barbata --- Slender Wild Oat --- Poaceae
13. Bromus rubens --- Foxtail Chess --- Poaceae
14. Stipa pulchra --- Purple Needlegrass --- Poaceae
15. Polypodium californicum --- California Polypody --- Polypodiaceae
16. Pentagramma glanduloviscida --- Silverback Fern --- Pteridaceae
17. Thalictrum fendleri var. polycarpum --- Fendler's Meadow-Rue --- Ranunculaceae
18. Cercocarpus minutiflorus --- San Diego Mountain-Mahogany --- Rosaceae
19. Prunus ilicifolia subsp. ilicifolia --- Islay, Holly-Leaf Cherry --- Rosaceae
20. Heteromeles arbutifolia --- Toyon, Christmas Berry --- Rosaceae

OPTIONAL: CHAPARRAL, COASTAL SAGE SCRUB, OAK WOODLAND-2: M.T.R.P
21. Cryptantha intermedia --- Nievitas Cryptantha --- Boraginaceae
22. Erodium cicutarium --- Red-Stem Filarre/Storksbill --- Geraniaceae
23. Erodium moschatum --- White-Stem Filaree/Storksbill --- Geraniaceae
24. Bromus diandrus --- Ripgut Grass --- Poaceae
25. Dichelostemma capitatum subsp. capitatum --- Blue Dicks --- Themidaceae

VERNAL POOL PLANTS:
March 4
Field Trip: Hard pan mesa off Claremont Mesa Blvd.:
1. Brodiaea orcuttii --- Orcutt's Brodiaea --- Themidaceae
2. Callitriche marginata --- Water-Starwort --- Plantaginaceae
3. Crassula aquatica --- Water Pygmy Weed --- Crassulaceae
4. Downingia cuspidata --- Downingia --- Campanulaceae
5. Elatine brachysperma --- Waterwort --- Elatinaceae
6. Eleocharis macrostachya --- Spikerush --- Cyperaceae
7. Isoetes orcuttii --- Orcutt's Quillwort --- Isoetaceae
8. Lythrum hyssopifolium* --- Grass Poly --- Lythraceae
9. Pilularia americana --- American Pillwort --- Marsileaceae
10. Pogogyne abramsii--- San Diego Mesa Mint --- Lamiaceae
11. Psilocarphus brevissimus var. brevissimus--- Dwarf Woolly-Heads --- Asteraceae

March 11 Field Trip: Otay Mesa Dennery Canyon:
12. Anagallis minima [Centunculus minimus] --- Chaffweed --- Myrsinaceae
13. Deschampsia danthonioides--- Annual Hairgrass --- Poaceae
14. Epilobium campestre [E. pygmaeum] --- Smooth Boisduvalia --- Onagraceae
15. Eryngium aristulatum var. parishii--- San Diego Button-Celery --- Apiaceae
16. Juncus bufonius var. bufonius --- Toad Rush --- Juncaceae
17. Marsilea vestita subsp. vestita --- Hairy Clover Fern --- Marsileaceae
18. Navarretia fossalis --- Spreading Navarretia --- Polemoniaceae
19. Plagiobothrys acanthocarpus--- Adobe Allocarya --- Boraginaceae
20. Plantago elongata --- Praire Plantain --- Plantaginaceae
21. Pogogyne nudiuscula --- Otay Mesa Mint --- Lamiaceae
22. Triglochin scilloides [Lilaea s.] --- Flowering Quill Wort --- Juncaginaceae

OPTIONAL:
1. Isoetes howellii--- Howell's Quillwort --- Isoetaceae
2. Psilocarphus tenellus var. tenellus--- Slender Wooly-Heads --- Asteraceae

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

TORREY PINE STATE RESERVE: 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

SUCCULENT MARITIME SCRUB
1. Agave shawii var. shawii --- Shaw's Agave
2. Rhus integrifolia --- Lemonadeberry --- Anacardiaceae
3. Ambrosia chenopodiifolia --- San Diego Bur-Sage --- Asteraceae
4
. Encelia californica --- California Encelia --- Asteraceae
5. Bergerocactus emoryi --- Golden Spine Cereus --- Cactaceae
6. Cylindropuntia californica var. californica --- Snake Cholla --- Cactaceae
7. Cylindropuntia prolifera --- Coast Cholla --- Cactaceae
8. Mammillaria dioica --- Fish-Hook Cactus --- Cactaceae
9. Opuntia littoralis --- Coastal Prickly-Pear --- Cactaceae
10. Opuntia oricola --- Chaparral Prickly-Pear --- Cactaceae
11. Dudleya edulis --- Ladies' Fingers --- Crassulaceae
12. Dudleya lanceolata --- Coastal Dudleya --- Crassulaceae
13. Dudleya pulverulenta subsp. pulverulenta --- Chalk Dudleya --- Crassulaceae
14. Euphorbia misera --- Cliff Spurge --- Euphorbiaceae
15. Lycium brevipes var. brevipes --- Common Desert Thorn --- Solanaceae

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 concinna var. concinna --- 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

OPTIONAL:
1. Yucca schidigera --- Mohave Yucca -- Agavaceae
2. Eriophyllum confertiflorum --- Long-Stem Golden-Yarrow --- Asteraceae
3. Leptosyne maritima [Coreopsis m.] --- Sea-Dahlia --- Asteraceae
4. Phacelia distans --- Phacelia --- Boraginaceae
5. Cardamine californica var. californica --- Milkmaids, Toothwort --- Brassicaceae
6. Peritoma arborea var. arborea --- Bladderpod --- Cleomaceae
7. Calystegia macrostegia subsp. intermedia --- Morning-Glory --- Convolvulaceae
8. Quercus dumosa --- Nuttall's Scrub Oak --- Fagaceae
9. Eriodictyon crassifolium var. crassifolium --- Yerba Santa --- Hydrophyllaceae
10. Abronia umbellata subsp. umbellata --- Beach Sand Verbena --- Nyctaginaceae
11. Dendromecon rigida --- Bush-Poppy --- Papaveraceae
12. Eschscholzia californica --- California Poppy --- Papaveraceae
13. Ceanothus verrucosus --- Wart-Stem-Lilac --- Rhamnaceae
14. Galium angustifolium subsp. angustifolium --- Narrow-Leaf Bedstraw --- Rubiaceae
16. Solanum parishii --- Parish's Nightshade --- Solanaceae

MONTANE: McGinty Mountain
1. Nolina interrata --- Dehesa Nolina --- Ruscaceae
2. Cneoridium dumosum --- Coast Spice Bush, Bush-Rue --- Rutaceae

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 
6 Dendromecon rigida --- Bush-Poppy --- Papaveraceae
7. Pinus quadrifolia --- Parry Pinyon --- Pinaceae
8. Ceanothus perplexans --- Cup-Leaf-Lilac --- Rhamnaceae
9. 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