Calflora, a 501c3 non-profit
Distribution by County   10119    
Microsteris gracilis  (Hook.) Greene  var. humilior  (Hook.) Cronquist

(not an active name)
Slender phlox
Microsteris gracilis var. humilior is an annual herb that is native to California, and also found elsewhere in western North America.
also called Microsteris gracilis
Record Count by County

Alameda: 21 Kings: 3 Orange: 5 Sierra: 42
Alpine: 12 Lake: 14 Placer: 27 Siskiyou: 56
Amador: 6 Lassen: 242 Plumas: 56 Solano: 1
Butte: 44 Los Angeles: 52 Riverside: 9 Sonoma: 16
Calaveras: 9 Madera: 3 San Benito: 32 Stanislaus: 2
Colusa: 12 Marin: 37 San Bernardino: 55 Sutter: 2
Contra Costa: 23 Mariposa: 9 San Diego: 58 Tehama: 20
Del Norte: 1 Mendocino: 22 San Joaquin: 2 Trinity: 31
El Dorado: 34 Merced: 4 San Luis Obispo: 49 Tulare: 28
Fresno: 34 Modoc: 52 San Mateo: 16 Tuolumne: 11
Glenn: 6 Mono: 23 Santa Barbara: 27 Ventura: 53
Humboldt: 22 Monterey: 21 Santa Clara: 33 Yolo: 8
Inyo: 15 Napa: 18 Santa Cruz: 7 Yuba: 4
Kern: 95 Nevada: 67 Shasta: 14

Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria. [web application]. 2024. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 11/23/2024).