Fig 2. Potential distribution of Chinese sea buckthorn in China and its relationships with (A) Individual provinces, (B) Occurrence records, (C) Vegetation divisions, and (D) Dry & wet divisions.

XZ (Xizang), YN (Yunnan), SC (Sichuan), QH (Qinghai), GS (Gansu), NX (Ningxia), SAX (Shaanxi), SX (Shanxi), HN (Henan), HB (Hebei), NMG (Inner Mongolia), LN (Liaoning). 1) Cold temperate deciduous needle-leaved forest region; 2) Temperate deciduous broad-leaved forest region; 3) Subtropical evergreen broad leaved forest region; 4) Tropical seasonal rain forest region; 5) Temperate steppe region; 6) Temperate desert region; 7) Alpine meadow and steppe region; 8) Alpine semi-desert and desert region. I) Humid region with non-distinct dry season; II) Humid region with distinct dry season; III) Semi-humid region; IV) Semi-arid region; V) Arid region; VI) Extremely arid region.