PORTLAND, Maine — Hundreds of people are expected to attend and 20 to 30 exhibitors will be on hand at this weekend’s Maine Medical Marijuana Expo 2011.  

The show is being held Saturday and Sunday at Portland’s Fireside Inn. Exhibitors include grow suppliers, medical marijuana caregivers, dispensary operators, consultants and a medical marijuana attorney. The expo is billed as an educational and informational event for medical marijuana patients and others with an interest in medical marijuana.  

Charlie Wynott of the nonprofit Maine Medical Marijuana Resource Center, which is putting on the event, says there also will be a number of speakers, including U.S. Rep. Barney Frank of Massachusetts, who will be speaking Saturday night.  

Wynott said hundreds if not thousands of people are expected.