The opponents of the Boston Children’s Hospital $1 billion expansion have filed an appeal to the state’s approval of the project,  according to an article on the Boston Business Journal website.

The group says it still wants to stop the hospital from destroying a garden.

“As we have said for many months, the state’s review of the Determination of Need application is fatally flawed — it is factually inadequate, biased and concludes, unequivocally, that the hospital is not needed to serve Massachusetts patients,” said Greg McGregor, lead attorney for the Anne Gamble Ten Taxpayer Group, in a release.

Part of the $1 billion project will construct a new clinical building over the Prouty Garden, a place many advocates have said has helped their children heal or offered respite during their hospital stay. At least two children’s ashes have been spread in the garden, opponents to the project have said.

Read the article.