R. Mitchel Beauchamp

Baccharis vanessae is a rare California species of Baccharis known by the common name Encinitas baccharis. It is native primarily to San Diego County, California, almost endemic to the county except for one population a few miles over the county line in Riverside County. It is a member of the chaparral flora. It is a federally listed threatened species. It is present in several sites in Encinitas, and it is known from other parts of the county from the coastline to the mountains on various substrates. There are perhaps 15 populations remaining, for a total of about 2000 individuals. Some of

Baccharis malibuensis is a rare California species of shrubs in the family Asteraceae known by the common name Malibu baccharis. It is endemic to southern California. It was first recognized as a distinct taxon in the Malibu Creek drainage in the Santa Monica Mountains near Malibu. Other populations have since been located in Ventura, Los Angeles, Orange, and San Diego Counties. It grows in chaparral, coastal sage scrub, and oak woodlands. Most of the occurrences contain fewer than 200 individual plants. The species was described to science only in 1995. This is a shrub generally growing

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Packera ganderi is a rare species of flowering plant in the aster family known by the common name Gander's ragwort. It is endemic to southern California, where it is known from a few occurrences in San Diego and Riverside Counties. There are an estimated 4,000 plants in existence, but this number varies year to year because the plant becomes more abundant after its habitat burns in wildfires. It is a native of the fire-prone California chaparral plant community, where it grows in gabbro rock outcrops.