Black Oak Sudden Oak Death or Slime Flux in California Mountains

Multiple Oaks at 5000 ft Show Bubbling Clear Substance

Leaves dying, dropping. Entire trunk/branches covered in clear bubbling spit-like substance, starting at top, spreading down. 4 trees affected over time.

Expert Warning

Could be Sudden Oak Death (SOD)—major CA problem. Or slime flux. Contact CA Forestry agency, mention SOD, request inspection. Links provided to UC IPM and SOD county contacts.