CHEYENNE, Wyo. (AP) - Wyoming lawmakers are struggling with how to craft legislation outlawing marijuana brownies and other foods and beverages containing the drug.

Wyoming lawmakers say the state is seeing an increase in marijuana edibles and other substances containing the drug or its active ingredient following the 2014 legalization of recreational marijuana use in neighboring Colorado.

The Wyoming Senate on Monday voted to advance a bill that would make possession of more than 3 ounces of marijuana edibles a felony.

However, senators continue to argue about how to measure the concentration of marijuana in the substances, and its potency.

The Senate rejected an amendment to allow people charged with felony possession of edibles to argue that what they possessed held the equivalent of less than three ounces of actual marijuana plant material.

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