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

Table 6

Summary of differential and common taxa of the Californian region (CAL) and the Oregonian province (ORE). See Tables 5 and 7 for further differential taxa of the two zones (species marked with an asterisk in Table 5 are differential taxa of the Oregonian province and those marked in Table 7 are differential taxa of the Californian region). Scores as in Table 5.Summary of differential and common taxa of the Californian region (CAL) and the Oregonian province (ORE). See Tables 5 and 7 for further differential taxa of the two zones (species marked with an asterisk in Table 5 are differential taxa of the Oregonian province and those marked in Table 7 are differential taxa of the Californian region). Scores as in Table 5.

	CAL	ORE		CAL	ORE
Number of sites	94	70		94	70
Number of taxa	389	213		389	213
Californian province: Differential taxa			Common taxa
Eriophyllum stoechadifolium*	31	—	Ambrosia chamissonis	40	4
Sarcocornia pacifica	34		Cakile maritima	35	23
Carpobrotus chilensis	30	—	Baccharis pilularis*	35	9
Erigeron glaucus*	25	—	Distichlis spicata	35	24
Artemisia californica*	24	—	Camissonia cheiranthifolia subsp. cheiranthifolia*	27	3
Artemisia pycnocephala*	20	—	Abronia latifolia*	23	4
Eriogonum latifolium*	20	—	Achillea millefolium*	29	26
Lotus scoparius var. scoparius*	20	—	Jaumea carnosa	21	24
Eriogonum parvifolium*	17	—	Ammophila arenaria*	21	41
Corethrogyne californica var. californica*	16	—	Cuscuta salina	19	13
Agave shawii subsp. shawii	16	—	Armeria maritima subsp. californica*	15	7
Bergerocactus emoryi	16	—	Rubus ursinus subsp. ursinus*	14	3
Rhus integrifolia	15	—	Calystegia soldanella*	13	7
Ericameria ericoides*	15	—	Polygonum paronychia*	12	17
Eriogonum fasciculatum var. fasciculatum	14	—	Leymus mollis subsp. mollis	12	50
Nassella lepida*	14	—	Lupinus arboreus*	11	3
Eschscholzia californica	13	—	Argentina egedii subsp. egedii *	8	50
Salix lasiolepis*	13	—	Lathyrus littoralis	5	10
Amblyopappus pusillus	13	—	Pseudotsuga menziesii var. menziesii	3	11
Encelia californica var. californica	11	—	Picea sitchensis	3	69
Mirabilis califórnica	11	—	Gaultheria shallon	3	60
Dudleya cultrata	10	—	Vaccinium ovatum	1	50
Oregonian province: Differential taxa			Lathyrus japonicus var. maritimus	1	50
Carex lyngbyei	—	39	Salix hookeriana	3	41
Deschampsia cespitosa subsp. beringensis	—	37	Pinus contorta var. contorta	2	39
Cakile edentula subsp. edentula var. edentula	—	29	Myrica californica	8	37
Sarcocornia perennis	—	26	Carex obnupta	6	36
Arctostaphylos uva-ursi	—	24	Triglochin maritimum	8	33
Plantago maritima var. juncoides	—	24	Atriplex patula	8	21
Cytisus scoparius	—	23	Fragaria chiloensis subsp. pacifica*	15	34
Lupinus littoralis	—	23	Juncus lesueurii*	14	33
Glaux marítima	—	20	Polystichum munitum	5	33
Veronica scutellata	—	16	Hypochaeris radicata	2	27
Trifolium wormskjoldii	—	14	Festuca rubra subsp. rubra	1	26
Tsuga heterophylla	—	13	Juncus falcatus	4	26
Agrostis pallens	—	13	Anaphalis margaritacea	1	23
Vicia nigricans subsp. gigantea	—	13	Alnus rubra	3	20
Spiranthes romanzoffiana	—	13	Tanacetum camphoratum	3	20
Thuja plicata	—	11	Juncus balticus	3	17
Grindelia integrifolia	—	11	Cardionema ramosissimum	4	17
Poa confinis	—	11	Pteridium aquilinum var. pubescens	4	16
Lilaeopsis occidentalis	—	11	Maianthemum dilatatum	2	16