Comarostaphylis diversifolia

A shrub in the heath family that grows in coastal chapparal areas of southern California and Baja California, which can exceed 13 feet.,

Dudleya blochmaniae

A reddish-brown succulent with white flowers that grows in coastal southern California and Baja California.

Adolphia californica

This flowering plant occurs in dry canyons and washes, coastal scrub and chaparral below 1000'. It is rare in California and blooms from December to April.

Arctostaphylos rainbowensis

This shrub is found only in the chaparral areas of San Diego. It can reach anywhere from 3 feet to 13 feet in height. It blooms with urn-shaped white flowers. 

Mahonia nevinii

Nevin's barberry is a federally listed endangered species with roughly 500 individuals remaining across southern California.

Nolina cismontana

This rare and declining flowering plant occurs in coastal mountain ranges in dry chaparral and coastal sage scrub habitat

Brodiaea orcuttii

This perennial herb is native to California and Baja California and occurs in wetlands, riparian areas and vernal pools.

Lepichinia cardiophylla

Also called Santa Ana pitcher sage, this native shrub grows in chaparral areas between 600-1200 meters in elevation.

Navarretia fossalis

A rare species of flowering plant in the phlox family, growing only in vernally wet areas (vernal pools).

Quercus engelmannii

Engelmann oak is a small tree that grows up to 33 feet tall, and is mostly evergreen with thick gray bark and leathery leaves.

Clinopodium chandleri

An uncommon flowering plant in the mint family with a wonderful minty fragrance.

Photo from calflora.net

Packera ganderi

Gander's ragwort is a rare, hairy plant with yellow flowers that grows well in chaparral and especially after a fire.

Tetracoccus dioicus

A flowering shrub native to the chaparral areas of southern California and Baja California, and can grow up to 6 feet.