More info for the terms:
natural,
shrubbutton brittlebush
brittlebush
bush encelia
TAXONOMY:
The scientific name for button brittlebush is Encelia
frutescens (Gray) Gray [
16]. There are no subspecies, forms, or natural
hybrids. Recognized varieties are as follows [
10,
26]:
E. frutescens var. frutescens Gray
E. frutescens var. resinosa Jones
LIFE FORM:
Shrub
FEDERAL LEGAL STATUS:
No special status
OTHER STATUS:
NO-ENTRY
DISTRIBUTION AND OCCURRENCE
SPECIES: Encelia frutescens
GENERAL DISTRIBUTION:
Button brittlebush occurs in the Mojave and Colorado deserts of southern
California, westward to eastern San Diego County [
16]. Its range
extends eastward through central and southern Nevada to southern Utah
and Arizona [
11,
16,
26].