Medical MJ, hashish, and California

I was recently arrested for FELONY possession of concentrated cannabis in Placer county, CA. The concentrated cannabis was less trhan one gram of hash which was LEGALLY purchased from a medical MJ dispensary. I showed the sheriff deputy who claimed to smeall marijuana, my medical 215 card, about 2 grams of cannabis, and about 1 gram of hashish. I was expecting the cop to probbaly just steal my pot and hash and let me go, instaed he charged me with felony possession of concentrated cannabis. There is apparently an option for misdemeanor poss. of concentrated cannabis in the Calif. health and safety code, and the felony option was added for the purpose of catching quantities of hashish equivalent to more than one ounce of plant material (the level where it becomes a felony). However the Placer county district attorney has instructed the sheriffs to charge all hash cases as felonies... even when there is less than a gram.
In the bay area and LA, hash is almost always treated the same as cannabis and is freely sold as medicine in dispensaries. The head district attorney for the entire state of california has said hashish is medical MJ, and Placer county sheriifs are still arrestrimg medical patients for felony possession of a medicine they purchased legally in the same state.