A Phytogeographical Classification of the North American Pacific Coast Based on Climate, Vegetation and a Floristic Analysis of Vascular Plants

Table 1

Distribution ranges of the phytogeographical elements used in this work.

	Phytogeographical element	Distribution range
AAT	Amphi-Atlantic Tropical	Tropical zones of both Atlantic coasts
APT	Amphi-Pacific Tropical	Tropical zones of both Pacific coasts
BAJ	Bajacalifornian	Bajacalifornian and Sanlucan provinces (1)
BOR	Boreal Northwestern Pacific	Boreal coasts of Alaska and British Columbia
CAL	Californian	Californian Region (1)
COS	Cosmopolitan	Ubiquitous
DIS	Disjunct (only for genera)	Two o more separated phytogeographical regions (2)
HOL	Holarctic	Holarctic Kingdom (3)
INT	Introduced	Non-native taxa
MAD	Madrean	Madrean Region (3)
NAE	North American-Eastern Asian	Amphi-Pacific extratropical taxa
NAS	North American-South American	Both Americas (excluding NEO taxa)
NEO	Neotropical	Neotropical Kingdom
NOA	North American	North America, including Greenland and Mexico
PAC	Pacific	Pacific coast
PAN	Pantropical	Pantropical taxa
SON	Sonoran	Sonoran Province (4)
TEM	Temperate Northwestern Pacific	Temperate coast between Oregon and British Columbia
WES	Western North-American	West of the Rocky Mountains

(1) See Figure 1. (2) Excluding NAE, NAS, NEO and PAN genera. (3) Sensu Takhtajan [26]. (4) Sensu Takhtajan (l.c.), but excluding BAJ taxa.