Agriculture in Scotland in the geography of Scotland is the distinction between the Highlands and Islands in the north and west and the Lowlands in the south and east. The Highlands are further divided into the Northwest Highlands and the Grampian Mountains by the fault line of the Great Glen. The Lowlands are divided into the fertile belt of the Central Lowlands and the higher terrain of the Southern Uplands, which included the Cheviot hills, over which the border with England runs. The Central Lowland belt averages about 50 miles in width, and contains most of the good quality agricultural land. Scotland is
Flora of Scotland and the rarer stunted form Newman’s Lady-fern ("A. distentifolium var. flexile") which is endemic to Scotland. The Killarney Fern, once found on Arran was thought to be extinct in Scotland, but has been discovered on Skye in its gametophyte form. Scotland's populations of Alpine Woodsia and Oblong Woodsia are on the edge of their natural ranges. The UK distribution of the former is confined to Angus, Perthshire, Argyll and north Wales, and of the latter to Angus, the Moffat Hills, north Wales and two locations in England. The plants were first identified as separate species by John Bolton in 1785