Pacific North American floral region Part of R. Good's (1974, The Geography of the Flowering Plants) Boreal Realm, distinguished by about 300 endemic genera (see endemism). Although the flora as a whole has contributed few economic plants, it has furnished numerous garden species. Like all floras of Mediterranean-type climates, the Californian part of this region shows a marked degree of endemism, with 30–50 per cent of its species restricted to the state. See also floral province and floristic region.

Pacific North American floral region Part of R. Good's (The Geography of the Flowering Plants, 1974) boreal kingdom, distinguished by about 300 endemic genera (see ENDEMISM). Although the flora as a whole has contributed few economic plants, it has furnished numerous garden species. Like all floras of Mediterranean-type climates, the Californian part of this region shows a marked degree of endemism, with 30–50 per cent of its species restricted to the state. See also FLORAL PROVINCE and FLORISTIC REGION.