Maryland Del. Heather R, Mizeur. (Karl Merton Ferron/Baltimore Sun Staff)

Maryland Democratic gubernatorial hopeful Heather R. Mizeur got a boost Friday from EMILY’s List, which announced it would use its national network to steer financial contributions to the campaign of the Montgomery County delegate.

The organization is well-known for its support of Democratic women running for office around the country, who believe in abortion rights, and claims 3 million members.

In a statement, Stephanie Schriock, president of EMILY’s List, called Mizeur “a glass-ceiling breaker,” who her members would be excited to back.

“Heather Mizeur is a progressive powerhouse who will fight for the rights of Maryland’s women and working families from day one,” Schriock said. “Heather is poised to be the first elected openly gay governor in the country and the first woman to serve as governor in the Free State.”

Mizeur announced earlier this month that she would participate in Maryland’s public financing system during the Democratic primary, a decision that will limit what she is allowed to spend to roughly $2.5 million. An aide to Mizeur said EMILY’s List will recommend donations to Mizeur in increments of $250 or less, which are eligible for public matching money under Maryland’s system.

Mizeur faces two better-known and better-funded candidates in the June primary: Lt. Gov. Anthony G. Brown (D) and Attorney General Douglas F. Gansler (D).

Mizeur campaign manager Joanna Belanger called the support of EMILY’s List “a great asset to our campaign and any progressive woman running for office.”

“I think their interest in Heather is a signal that women and progressives around the country are starting to take note of what Maryland families already know: Heather Mizeur should be the next governor.”