Greenland of Denmark, which is Lutheran in orientation. While there are no official census data on religion in Greenland, the Bishop of Greenland Sofie Petersen estimates that 85% of the Greenlandic population are members of her congregation. The Church of Denmark is the established church through the Constitution of Denmark: This applies to all of the Kingdom of Denmark, except for the Faroe Islands, as the Church of the Faroe Islands became independent in 2007. The Roman Catholic minority is pastorally served by the Roman Catholic Diocese of Copenhagen. There are still Christian missionaries on the island, but mainly from charismatic
Greenland from Europe. There are no native or free-living reptiles or amphibians on the island. Phytogeographically, Greenland belongs to the Arctic province of the Circumboreal Region within the Boreal Kingdom. The island is sparsely populated in vegetation; plant life consists mainly of grassland and small bushes, which is regularly grazed by livestock. The most common tree native to Greenland is the European white birch ("Betula pubescens") along with gray-leaf willow ("Salix glauca"), rowans ("Sorbus aucuparia"), common junipers ("Juniperus communis") and other smaller trees, mainly willows. Greenland's flora comprises about 500 species of higher plants, i.e. flowering plants, ferns, horsetails and lycopodiophyta.