San Diego Chapter
Rare Plants
San Diego Chapter
conservation
contents
Updated 10/6/01 by Ellen Kanner & Brad Buffett.
Rare Plants of San Diego County
by Craig H. Reiser
Copyright © May 1994 Craig H. Reiser
Aquafir Press
1368 Grove Avenue
Imperial Beach, CA 91932
Introduction
Literature Cited
Appendix 1. Plant Sensitivity Guidelines
Pages: 1-49 |
50-99
|
100-149
|
150-199
|
200-234
Red Sand-Verbena [
Abronia maritima
Nutt. ex Wats.]
Sweet Acacia [
Acacia farnesiana
(L.) Willd. var
farnesiana
]
San Diego Thorn Mint [
Acanthomintha ilicifolia
(Gray) Gray]
San Diego County Needlegrass [
Achnatherum diegoensis
(Swallen) Barkworth]
California Adolphia [
Adolphia californica
Wats.]
Shaw's Agave [
Agave shawii
Engelm.]
San Diego Bur-Sage [
Ambrosia chenopodiifolia
(Benth.) Payne]
San Diego Ambrosia [
Ambrosia pumila
(Nutt. Gray]
Aphanisma [
Aphanisma blitoides
Nutt. ex Moq. in DC]
Del Mar Manzanita [
Arctostaphylos glandulosa
Eastw. ssp.
crassifolia
(Jeps.) Wells]
Otay Manzanita [
Arctostaphylos otayensis
Wies. & Schreib.]
San Diego Sagewort [
Artemisia palmeri
Gray]
Salton Sea Milk Vetch [
Astragalus crotalariae
(Benth.) Gray]
Dean's Milk Vetch [
Astragalus deanei
(Rydb.) Barneby]
Munz]
Harwood's Milk Vetch [
Astragalus insularis
Kell. var.
harwoodii
Munz & McBurn.]
Borrego Milk Vetch [
Astragalus lentiginosus
Dougl. var.
borreganus Jones
]
Bear Valley Woollypod [
Astragalus leucolobus
Jones]
Peirson's Milk Vetch (
Astragalus magdalenae
Greene var.
peirsonii
(Munz & McBurn) Barneby]
Descanso Milk Vetch [
Astragalus oocarpus
Gray]
Jaeger's Locoweed [
Astragalus pachypus
Greene var.
jaegeri
Munz & McBurn.]
Coastal Dune Milk Vetch [
Astragalus tener
Gray var.
titi
(Eastw.) Barneby]
Coulter's Saltbush [
Atriplex coulteri
(Moq.) D. Dietr.]
South Coast Saltscale [
Atriplex pacifica
Nels.]
to top
Ayenia [
Ayenia compacta
Rose]
Mexican Mosquito Fern [
Azolla mexicana
Presl.]
Encinitas Baccharis [
Baccharis vanessae
Beauchamp]
Fremont Barberry [
Berberis fremontii
Torrey var.
fremontii
=
Mahonia higginsae
Ahrendt]
Nevin's Barberry [
Berberis nevinii
Gray =
Mahonia nevinii
(Gray) Fedde]
Goldenspined Cereus [
Bergerocactus emoryi
(Engelm.) Britt. & Rose]
Bergia [
Bergia texana
(Hook.) Seub.]
Coulter Ringstem [
Boerhavia coulteri
(Hook.) S. Watson]
Round-leaved Boykinia [
Boykinia rotundifolia
Parry]
Thread-leaf Brodiaea [
Brodiaea filifolia
Wats.]
Orcutt's Brodiaea [
Brodiaea orcuttii
(Greene) Hoover]
Elephant Tree [
Bursera microphylla
Gray]
Tufted Pine-grass [
Calamagrostis koelerioides
Vasey]
Brewer's Calandrinia [
Calandrinia breweri
Wats.]
Seaside Calandrinia [
Calandrinia maritima
Nutt.]
Fairyduster [
Calliandra eriophylla
Benth.]
Catalina Mariposa Lily [
Calochortus catalinae
Wats.]
Dunn's Mariposa Lily [
Calochortus dunnii
Purdy]
Lewis' Evening Primrose [
Camissonia lewisii
Raven]
Arizona Carlowrightia [
Carlowrightia arizonica
Gray]
San Bernardino Owl's Clover [
Castilleja
lasiorhyncha
(Gray) Chuang & Heckard]
Buck's Jewelflower [
Caulanthus heterophyllus
(Nutt.) Pays. var.
pseudosimulans
R. Buck]
Payson's Jewel Flower [
Caulanthus simulans
Pays.]
Lakeside Ceanothus [
Ceanothus cyaneus
Eastw.]
Vail Lake Ceanothus [
Ceanothus ophiochilus
Boyd]
to top
Otay Mountain Ceanothus [
Ceanothus otayensis
McMinn]
White Coast Ceanothus [
Ceanothus verrucosus
Nutt. in T. & G.]
Peirson's Pincushion [
Chaenactis carphoclinia
Gray var.
peirsonii
(Jeps.) Munz]
Parish's Chaenactis [
Chaenactis parishii
Gray]
Southern Mountain Misery [
Chamaebatia australis
(Bdg.) Abrams]
Flat-seeded Spurge [
Chamaesyce platysperma
(S. Watson.) Shinners]
Sticky Lipfern [
Cheilanthes viscida
Davenp.]
Peninsular Spineflower [
Chorizanthe leptotheca
Goodm.]
Orcutt's Spineflower [
Chorizanthe orcuttiana
Parry]
Long-spined Spineflower [
Chorizanthe polygonoides
T. & G. var.
longispina
(Goodman) Munz]
Prostrate Spineflower [
Chorizanthe procumbens
Nutt.]
Coast Turkish Rugging [
Chorizanthe staticoides
Benth. ssp.
chrysacantha
(Goodman) Munz]
Delicate Clarkia [
Clarkia delicata
(Abrams) Nels. & MacBr.]
Las Animas Colubrina [
Colubrina californica
Jtn.]
Summer-Holly (
Comarostaphylis diversifolia
(Parry) Greene ssp.
diversifolia
]
Small-flowered Morning Glory [
Convolvulus simulans
Perry]
Salt Marsh Bird's Beak [
Cordylanthus maritimus
Nutt. ssp.
maritimus
]
Orcutt's Bird's Beak [
Cordylanthus orcuttianus
Gray]
Sea Dahlia [
Coreopsis maritima
(Nutt.) Hook. f.]
Lessingia filaginifolia
(Hook. & Arn.) Lane var.
filaginifolia
]
filaginifolia
(Hook. & Arn.) Lane var.
filaginifolia
]
Crossosoma [
Crossosoma bigelovii
S. Watson]
Ribbed Cryptantha [
Cryptantha costata
Bdg.]
Gander's Cryptantha [
Cryptantha ganderi
Jtn.]
Winged Cryptantha [
Cryptantha holoptera
(Gray) MacBr.]
Tecate Cypress [
Cupressus forbesii
Jeps.]
to top
Arizona Cypress [
Cupressus stephensonii
Wolf]
Utah Cynanchum [
Cynanchum utahense
(Engelm.) Woods.]
Cuyamaca Larkspur (
Delphinium hesperium
Gray ssp.
cuyamacae
(Abrams) Lewis & Epling]
Parish's Larkspur (
Delphinium parishii
Gray ssp.
subglobosum
(Wiggins) Lewis & Epling]
Western Dichondra [
Dichondra occidentalis
House]
Cuyamaca Lake Downingia [
Downingia concolor
Greene var.
brevior
McVaugh]
Banner Dudleya [
Dudleya alainae
Reiser]
Orcutt's Dudleya [
Dudleya attenuata
(Wats.) Moran ssp.
orcuttii
(Rose) Moran]
Blochman's Dudleya [
Dudleya blochmaniae
(Eastw.) Moran ssp.
blochmaniae
]
Short-leaved Dudleya [
Dudleya blochmaniae
(Eastw.) Moran ssp.
brevifolia
Moran]
Many-Stemmed Dudleya [
Dudleya multicaulis
(Rose) Moran]
Variegated Dudleya [
Dudleya variegata
(Wats.) Moran]
Munz's Hedgehog Cactus (
Echinocereus engelmannii
(Parry) Ruempler var.
munzii
Pierce & Fosb.]
Laguna Mountains Goldenbush [
Ericameria cuneata
(Gray) McClatchie var.
macrocephala
Urbatsch]
Palmer's Goldenbush [
Ericameria palmeri
(Gray) Hall ssp.
palmeri
]
Leafy Buckwheat [
Eriogonum foliosum
Wats.]
Large-leaved Filaree [
Erodium macrophyllum
H. & A.]
San Diego Button Celery [
Eryngium aristulatum
Jeps. ssp.
parishii
(Coult. & Rose) Math. & Const.]
Coast Wallflower [
Erysimum ammophilum
Heller]
Rock Nettle [
Eucnide rupestris
(Baill.) Thompson & Ernst]
Cliff Spurge [
Euphorbia misera
Benth.]
California Barrel Cactus [
Ferocactus cylindraceus
(Engelm.) Orc. var.
cylindraceus
]
San Diego Barrel Cactus [
Ferocactus viridescens
(T. & G.) Britton & Rose]
Palmer's Frankenia [
Frankenia palmeri
Wats.]
to top
Chaparral Ash [
Fraxinus jonesii
Lingel.]
Mexican Flannelbush [
Fremontodendron mexicanum
A Davids.]
Chocolate Lily [
Fritillaria biflora
Lindl. var.
biflora
]
Borrego Bedstraw [
Galium angustifolium
Nutt. ssp.
borregoense
Dempster]
Johnson's Bedstraw [
Galium johnstonii
Dempster & Stebbins]
Nuttall's Island Bedstraw [
Galium nuttallii
Gray ssp.
insulare
Ferris]
Sticky Geraea [
Geraea viscida
(Gray) Blake]
Caraway-leaved Gilia [
Gilia caruifolia
Abrams]
Mission Canyon Blue-Cup [
Githopsis diffusa
Gray ssp.
filicaulis
(Ewan) Morin]
San Diego Gumplant [
Grindelia hirsutula
Hook. & Arn. var.
hallii
(Steyerm.) M. A. Lane]
Palmer's Grappling Hook [
Harpagonella palmeri
Gray =
Pectocarya palmeri
(Gray) Veno]
Orcutt's Hazardia [
Hazardia orcuttii
(Gray) Greene]
Otay Tarplant [
Hemizonia conjugens
Keck]
Tecate Tarplant [
Hemizonia floribunda
Gray]
Southern Tarplant [
Hemizonia parryi
(Greene) ssp.
australis
Keck]
Smooth Tarplant [
Hemizonia pungens
(Hook. & Arn.) Torrey & Gray ssp.
laevis
Keck]
Curly Abutilon [
Herissantia crispa
(L.) Brizicky]
Beach Goldenaster [
Heterotheca sessiliflora
(Nutt.) Shinn. ssp.
sessiliflora
]
Laguna Mountains Alum-Root [
Heuchera brevistaminea
Wiggins]
San Diego County Alum-Root [
Heuchera rubescens
Torrey var.
versicolor
(Greene) Stewart]
Graceful Tarplant [
Holocarpha virgata
(Gray) Keck ssp.
elongata
Keck]
Vernal Barley [
Hordeum intercedens
Nevski]
Cleveland Horkelia [
Horkelia clevelandii
(E. Greene) Rydb.
]
Ramona Horkelia [
Horkelia truncata
Rydb.]
San Diego Sunflower [
Hulsea californica
T. & G. ex Gray]
Mexican Hulsea [
Hulsea mexicana
Rydb.]
to top
Beautiful Hulsea [
Hulsea vestita
Gray ssp.
callicarpha
(Hall) Wilken]
Slender-leaved Ipomopsis [
Ipomopsis tenuifolia
(Gray) V. Grant]
Decumbent Goldenbush [
Isocoma menziesii
(Hook. & Arn.) Nesom var.
decumbens
(Greene) Nesom]
San Diego Marsh Elder [
Iva hayesiana
Gray]
Southern California Black Walnut [
Juglans californica
Wats. var.
californica
]
Southwestern Spiny Rush [
Juncus acutus
L. ssp.
leopoldii
(Parl.) Snog.]
California Kallstroemia [
Kallstroemia californica
(Watson) Vail]
Crowned Goldfields [
Lasthenia coronaria
(Nutt.) Ornduff]
Coulter's Goldfields [
Lasthenia glabrata
Lindl. ssp.
coulteri
(Gray) Ornduff]
Pride-of-California [
Lathyrus splendens
Kell.]
Heart-leaved Pitcher Sage [
Lepechinia cardiophylla
Epling]
Gander's Pitcher Sage [
Lepechinia ganderi
Epling]
Borrego Valley Pepper-grass [
Lepidium flavum
Torr. var.
felipense
C. L. Hitchc.]
Dwarf Pepper Grass [
Lepidium latipes
Hook. var.
latipes
]
Robinson Pepper-grass [
Lepidium virginicum
L. var.
robinsonii
(Thell.) Hitchc.]
Warner Springs Lessingia [
Lessingia glandulifera
Gray var.
tomentosa
(Greene) Ferris]
Short-sepaled Lewisia [
Lewisia brachycalyx
Engelm. ex Gray]
Ocellated Humboldt Lily (
Lilium humboldtii
Roezl. & Leichtl. ssp.
ocellatum
(Kell) Elwes]
Lemon Lily [
Lilium parryi
Wats.]
Parish's Meadow-Foam [
Limnanthes gracilis
T. J. Howell var.
parishii
(Jeps.) C. Mason]
Desert Beauty [
Linanthus bellus
(Gray) Greene]
Santa Rosa Mountains Linanthus [
Linanthus floribundus
(Gray) Munz ssp.
hallii
Mason]
Orcutt's Linanthus [
Linanthus orcuttii
(Parry & Gray) Jeps.]
Otay Mountain Lotus [
Lotus crassifolius
(Benth.) Greene var.
otayensis
Moran]
to top
Pygmy Lotus [
Lotus haydonii
(Orcutt) Greene]
Nuttall's Lotus [
Lotus nuttallianus
Greene]
Mountain Springs Bush Lupine [
Lupinus excubitus
Jones var.
medius
(Jepson) Munz]
Parish's Desert-thorn [
Lycium parishii
Gray]
Coulter's Lyrepod [
Lyrocarpa coulteri
Hook. & Harv. var.
palmeri
(Wats.) Roll.]
Laguna Mountains Aster [
Machaeranthera asterioides
Greene var.
lagunensis
(Keck) Turner]
Rush-like Bristleweed [
Machaeranthera juncea
(Greene) Shinners =
Haplopappus junceus
Greene]
Indian Valley Bush Mallow [
Malacothamnus aboriginum
(Rob.) Greene]
Brown Turbans [
Malperia tenuis
Wats.]
Spearleaf [
Matelea parvifolia
(Torr.) Woods]
Hairy Stickleaf [
Mentzelia hirsutissima
Wats.]
Small-flowered Microseris [
Microseris douglasii
(DC) Sch.-Bip ssp.
platycarpha
(Gray) Chambers]
Low Bush Monkey Flower [
Mimulus aridus
(Abrams) Grant =
Diplacus aridus
Abrams]
Cleveland's Bush Monkey Flower [
Mimulus clevelandii
Bdg.]
Palomar Monkeyflower [
Mimulus diffusus
Grant]
Slender-lobed Four O'Clock [
Mirabilis tenuiloba
Wats.]
Felt-leaved Monardella (
Monardella hypoleuca
Gray ssp.
lanata
(Abrams) Munz]
Willowy Monardella [
Monardella linoides
Gray ssp.
viminea
(Greene) Abrams]
Halls Monardella [
Monardella macrantha
Gray ssp.
hallii
Abrams]
San Felipe Monardella [
Monardella nana
Gray ssp.
leptosiphon
(Torr.) Abrams]
California Spineflower [
Mucronea californica
Benth.]
San Diego Golden Star [
Muilla clevelandii
(Wats.) Hoover]
Little Mousetail [
Myosurus minimus
L. ssp.
apus
Greene]
Mud Nama [
Nama stenocarpum
Gray]
Spreading [
Navarretia fossalis
Moran]
Baja Navarretia [
Navarretia peninsularis
Greene]
to top
Coast Wooly-heads [
Nemacaulis denudata
Nutt. var.
denudata
]
Slender Woolly-heads [
Nemacaulis denudata
Nutt. var.
gracilis
Goodm. & Benson]
Cismontane Nolina [
Nolina cismontana
Dice in edit.]
Dehesa Nolina [
Nolina interrata
Gentry]
California Cloakfern [
Notholaena californica
D. C. Eat.]
California Adder's Tongue Fern [
Ophioglossum
californicum
Prantl]
Hoffman's Cholla [
Opuntia X fosbergii
Wolf]
Snake Cholla [
Opuntia parryi
Engelm. var.
serpentina
(Engelm.) L. Benson]
Wiggins' Cholla [
Opuntia wigginsii
L. Benson]
Wolf's Cholla [
Opuntia wolfii
(Benson) Baker]
California Orcutt Grass [
Orcuttia californica
Vasey]
Baja California Birdbush [
Ornithostaphylos oppositifolia
(Parry) Small]
Short-lobed Broom-rape [
Orobanche parishii
(Jeps.) Heckard ssp.
brachyloba
Heckard]
California Penstemon [
Penstemon californicus
(Munz & Jtn.) Keck]
San Jacinto Beardtongue [
Penstemon clevelandii
Gray var.
connatus
(Munz & Jtn.) Holmgren]
Thurber's Beardtongue [
Penstemon thurberi
Torr.]
Gairdner's Yumpah [
Perideridia gairdneri
(H. & A.) Math. ssp.
gairdneri
]
Wild Petunia [
Petunia parviflora
Juss]
Brand's Phacelia [
Phacelia stellaris
Brand]
White Fiesta Flower [
Pholistoma racemosum
(Nutt.) Constance]
Thurber's Pilostyles [
Pilostyles thurberi
Gray]
Torrey Pine [
Pinus torreyana
Parry ex Carr. ssp.
torreyana
]
San Bernardino Blue Grass [
Poa atropurpurea
Scribn.]
San Diego Mesa Mint [
Pogogyne abramsii
J. T. Howell]
Otay Mesa Mint [
Pogogyne nudiuscula
Gray]
to top
Fish's Milkwort [
Polygala cornuta
Kell. var.
fishiae
(Parry) Jepson]
Desert Unicorn Plant [
Proboscidea althaeifolia
(Benth.) Dcne.]
Nuttall's Scrub Oak [
Quercus dumosa
Nutt. in part]
Engelmann Oak [
Quercus engelmannii
Greene]
Moreno Current [
Ribes canthariforme
Wiggins]
Santa Catalina Island Currant [
Ribes viburnifolium
Gray]
Coulter's Matilija Poppy [
Romneya coulteri
Harvey]
Coast Matilija Poppy [
Romneya trichocalyx
Eastw.]
Gambel's Water Cress [
Rorippa gambellii
(S. Wats.) Roll. & Al-Shehbaz]
Small-leaved Rose [
Rosa minutifolia
Engelm. in Parry]
Cuyamaca Raspberry [
Rubus glaucifolius
Kell var.
ganderi
(Bailey) Munz]
Parish's Rupertia [
Rupertia rigida
(Parish) Grimes]
Desert Sage [
Salvia eremostachya
Jeps.]
Munz's Sage [
Salvia munzii
Epling]
San Miguel Savory [
Satureja chandleri
(Bdg.) Druce.]
Southern Skullcap [
Scutellaria bolanderi
Gray ssp.
austromontanum
Epling]
Bluish Spike-moss [
Selaginella asprella
Maxon.]
Ashy Spike-moss [
Selaginella cinerascens
A. A. Eat.]
Desert Mossfern [
Selaginella eremophila
Maxon.]
Rayless Ragwort [
Senecio aphanactis
Greene]
Gander's Ragwort [
Senecio ganderi
Barkley & Beauchamp]
Coves' Cassia [
Senna covesii
(Gray) Irwin & Barneby =
Cassia covesii
(Gray)]
Narrow-leaved Nightshade [
Solanum tenuilobatum
Parish]
Spermolepis [
Spermolepis echinata
(DC.) A.A. Heller]
Laguna Mountains Jewel-flower [
Streptanthus bernardinus
(Greene) Parish]
Southern Jewel-flower [
Streptanthus campestris
Wats.]
Oil Neststraw [
Stylocline citroleum
Morefield]
Estuary Seablite [
Suaeda esteroa
Ferren & Whitmore]
Woolly Seablite [
Suaeda taxifolia
(Standley) Standley]
Parry's Tetracoccus [
Tetracoccus dioicus
Parry]
Velvety False Lupine [
Thermopsis californica
Wats. var.
semota
(Jeps.) Chen & Turner]
San Diego County Viguiera [
Viguiera laciniata
Gray in Torr.]
California Fan Palm [
Washingtonia filifera
(Lindl.) Wendl.]
Orcutt's Woody-aster [
Xylorhiza orcuttii
(Vasey & Rose) Greene]
to top