This is a two-hour training session in the MMWD Board Room, 220 Nellen Ave., Corte Madera. Upon completion of training, volunteers will collect samples on May 12-13 at home or defined sites on the watershed and return them to a central drop-off location by May 15. The information will be added to our maps of SOD infestations to include more MMWD lands and surrounding areas. Reservation required. Contact firstname.lastname@example.org by May 7th.