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Advocate staff photo by HILARY SCHEINUK -- Louisiana Governor John Bel Edwards, right, listens as Helen Jones of Gonzales shares her story of evacuating New Orleans during Hurricane Katrina and coming to Baton Rouge, only to be displaced now by flooding, Wednesday, August 17, 2016, at the Lamar-Dixon Expo Center in Gonzales, La.

HILARY SCHEINUK

Louisiana Gov. John Bel Edwards was on the Rachel Maddow Show on MSNBC Thursday night, asking the national cable network audience to contribute to relief efforts as the state transitions to flood recovery mode.

"Without awareness around the country, the American Red Cross, for example, probably isn't receiving the resources it should," Edwards said.

Twenty parishes have received federal disaster declarations following the catastrophic flooding that swept across South Louisiana over the past week. At least 13 people are dead, and 40,000 homes have been flooded.

"It's going to be many months and we're going to need all the assistance we can get," Edwards said of the recovery process.

Edwards, a Democrat who took office in January, struck back at those who have criticized President Barack Obama for not coming to view the destruction first-hand.

"I don't feel forgotten by the federal government," Edwards said. "We have what we need from the federal government."

Top officials from FEMA and the U.S. Department of Homeland Security have already been in the state to survey the flood damage and meet with local leaders.

Edwards said he would prefer that Obama wait a week or two before coming because a presidential visit requires "hundreds of first responders" to provide security.

"I would just as soon have those people engaged in response," he said.

Follow Elizabeth Crisp on Twitter, @elizabethcrisp.