MONROVIA, Calif. (AP) — California Gov. Jerry Brown says dead trees around the state pose a fire hazard and has declared a state of emergency.

The San Gabriel Valley Tribune reports ( ) that Brown called for the swift removal of dried-out trees and has requested federal resources to help with the process before the fall and winter wildfire season.

READ MORE: Heavy Early Morning Traffic Expected To Start Week As Highway 99 Construction Continues

He says the trees also pose dangers in strong storms, either from falling or as floating debris.

A dead-tree census by the U.S. Forest Service found that 22 million trees have died during California’s four-year drought, and tens of millions more are expected to follow.

READ MORE: KISS Add September Date In Wheatland For ‘End Of The Road’ Final Tour

Brown has asked state agencies to identify the areas where dead trees pose the highest risks.

Arborist John Lynch says some trees are so stressed that even rain won’t help.

MORE NEWS: Firefighters Get Early Morning Pallet Yard Fire Near Modesto Under Control

Copyright 2015 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.