Endemics in Family Order

Asparagaceae
Agave cerulenta ssp. dentiens SE

Asteraceae
Alvordia glomerata var. sularis SI
Coreocarpus sanpedroensis SP
Hofmeisteria filifolia AG
Machaeranthera pinnatifida var. incisifolia SI

Boraginaceae
Cryptantha grayi var. nesiotica SI

Brassicaceae
Dryopetalon crenatum var. racemosum ES
Lyrocarpa linearifolia SI

Cactaceae
Echinocereus grandis SE, SL
Echinocereus websterianus SP
Ferrocactus diguetii var. carmenensis Ca
Ferrocactus diguetii var. diguetii SI
Ferrocactus johnstonianus AG
Ferrocactus wislizenii var. tiburonensis T
Mammillaria cerralboa Ce
Mammillaria estebanensis SE
Mammillaria evermanniana Ce
Mammillaria multidigitata SP
Mammillaria tayloriorum SP

Crassulaceae
Dudleya nubigena ssp. cerralvensis Ce

Euphorbiaceae
Euphorbia polycarpa var. menensis SI
Euphorbia polycarpa var. johnstonii Ca, M

Fabaceae
Marina cataliniae SC
Marina oculata SI

Lamiaceae
Salvia platycheila SI

Polygonaceae
Eriogonum angelense AG

Rubiaceae
Hedyotis gracilenta SD, SM

Scrophulariaceae
Penstemon angelicus AG


Endemics in Alphabetical Order

Agave cerulenta ssp. dentiens SE
Alvordia glomerata var. sularis SI
Coreocarpus sanpedroensis SP
Cryptantha grayi var. nesiotica SI
Dryopetalon crenatum var. racemosum ES
Dudleya nubigena ssp. cerralvensis Ce
Echinocereus grandis SE, SL
Echinocereus websterianus SP
Eriogonum angelense AG
Euphorbia polycarpa var. johnstonii Ca, M
Euphorbia polycarpa var. menensis SI
Ferrocactus diguetii var. carmenensis Ca
Ferrocactus diguetii var. diguetii SI
Ferrocactus johnstonianus AG
Ferrocactus wislizenii var. tiburonensis T
Hedyotis gracilenta SD, SM
Hofmeisteria filifolia AG
Lyrocarpa linearifolia SI
Machaeranthera pinnatifida var. incisifolia SI
Mammillaria cerralboa Ce
Mammillaria estebanensis SE
Mammillaria evermanniana Ce
Mammillaria multidigitata SP
Mammillaria tayloriorum SP
Marina cataliniae SC
Marina oculata SI
Penstemon angelicus AG
Salvia platycheila SI


Summary

Included here are the islands of the Gulf of California (also known as the Sea of Cortez or Sea of Cortés or Vermilion Sea). Islands where endemic plants have been recorded include Ángel de la Guarda (AG), Carmen (Ca), Cerralvo (Ce), Coronado (Co), Danzante (D), Monserrat (M), Espíritu Santo (ES), San Diego (SD), San Esteban (SE), San Francisco (SF), San José (SJ), San Lorenzo (SL), San Marcos (SM), San Pedro Nolasco  (SP), Santa Catalina (SC), Tiburon (T). Where endemic species have been recorded on several islands this is denoted by SI.

Of the endemic species, sub-species and varieties of vascular plants so far recorded there are about 28 species in 18 genera and 12 families but no endemic genera.

References

Case, T. J., Cody, M. L. & Ezcurra, E. 2002. Island Biogeography of the Sea of Cortés. Oxford University Press.