Marin County has about 750 acres of French broom—a widespread and challenging invasive plant that broadcasts untold numbers of seeds a year—and in the San Geronimo Valley, a volunteer group meets weekly to battle the spread. The members of Broom Service, formerly called the Extractigators, have met nearly every Thursday, weather permitting, for the last five years to pull broom in open space preserves and on private lands, using only their hands and weed wrenches.…
Each week, valley heroes pull invasive broom
