Eriastrum densifolium
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Eriastrum densifolium is a species of flowering plant in the phlox family known by the common name giant woollystar. This wildflower is native to California and Baja California where it grows in open
Eriastrumdensifolium
Santa Ana River woolly star (Eriastrum densifolium sanctorum)
Santa Ana River
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The Santa Ana River is the largest river entirely within Southern California in the United States. It rises in the San Bernardino Mountains and flows for most of its length through San Bernardino and
Eriastrum densifolium
…The stamens protrude from the throat. There are two subspecies of this plant. The rarer, ssp. sanctorum (Santa Ana River woollystar), is endemic to the Santa Ana River drainage in San Bernardino County, California. It was federally listed as an endangered species in 1987. A resident of higher floodplain habitat types…
The Santa Ana River as seen from a small bluff overlooking the water. This part of the river serves as the border between the cities of Eastvale and Norco
Mill Creek (pictured) is one of the main headwaters tributaries of the Santa Ana River.
The channeled mouth of the Santa Ana River between Huntington Beach and Newport Beach
The Transverse Ranges were formed by uplift along the San Andreas Fault. Santa Ana Canyon is between the first and second ridges and Big Bear Lake is in the background.