Elephant Head Farm, in Amado, Arizona, grows organic marijuana, like this plant, for processing into medical marijuana vapor fluids and pills.
The Arizona Court of Appeals has ruled that hashish does not qualify as a protected drug under the state's medical marijuana law.
The court's ruling came Tuesday in the case of Rodney Jones, a card holder in the state's medical-marijuana program.
Police say he was found in possession of .05 ounces of hashish in a jar in March 2013.
Hashish is extracted from marijuana plants, and is used in cannabis oils and other medical marijuana products.
Jones was appealing his conviction in the case on a count each of cannabis and drug paraphernalia possession.
The appeals court said Arizona's medical marijuana act as written and approved by voters in 2010 "is silent" on hashish.
Medical marijuana advocates called the ruling a major setback, and said they expected another appeal.
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