Collection Holdings from Northwestern U.S.A.:
COL IDA MNT ORE WAS WYO
Amaryllidaceae
Subfamily Allioideae
Tribe Allieae
- Allium schoenoprasum
- Europe, Asia
Araceae
Subfamily Lemnoideae
- Lemna minor
- Cosmopolitan
- Lemna trisulca - widespread in temperate regions
- Wolffia columbiana
- N & S America
Asparagaceae
Subfamily Agavoideae
- Yucca glauca - Central N. America - Iowa to Texas and N. Dakota.
Asteraceae
Subfamily Asteroideae
Tribe Anthemideae
- Artemisia tridentata - intermountain west USA
Subfamily Asteroideae
Tribe Astereae
- Ericameria nauseosa var. nauseosa - western plains & rocky mountains, USA
- Grindelia integrifolia
- Oregon, Washington and British Columbia
W/C
Cactaceae
Subfamily Opuntioideae
Tribe Cylindropuntieae
- Cylindropuntia whipplei - S. Utah, W. Colo., New Me
Subfamily Opuntioideae
Tribe Opuntieae
- Opuntia fragilis - western US - wide distribution, but not common
Ceratophyllaceae
- Ceratophyllum demersum
- cosmopolitan, native to all continents except Antarctica.
Convolvulaceae
Subfamily Convolvuloideae
Tribe Convolvuleae
- Calystegia sepium - Europe, Asia, North America
Cupressaceae
Subfamily Sequoioideae
- Sequoia sempervirens - Southwestern N. America - Oregon to California.
Droseraceae
- Drosera anglica
- Subarctic & Temp. Northern Hemisphere, Hawaiian Is.
W/C
- Drosera rotundifolia - Temp. & Subarctic Northern Hemisphere W/C
Ephedraceae
- Ephedra viridis
- Southwestern N. America - California to Colorado and Arizona
Fabaceae
Subfamily Faboideae
Tribe Amorpheae
- Amorpha canescens - USA and Canada
- Amorpha fruticosa - originally from se USA, now widespread across North America
Grossulariaceae
- Ribes cereum - western North America
- Ribes hirtellum 'Pixwell' - northeastern North America
- Ribes sanguineum - western North America
Hydrocharitaceae
- Elodea canadensis - S. Canada to U.S.A.
Juncaginaceae
- Triglochin maritima - Temp. Northern Hemisphere, S. South America W/C
Lauraceae
- Umbellularia californica - Oregon & California
Nyctaginaceae
- Mirabilis laevis - western USA W/C
Pinaceae
Subfamily Pinoideae
- Pinus ponderosa - SW. Canada to N. Mexico
Poaceae
Subfamily Panicoideae
Tribe Sacchareae
- Schizachyrium scoparium - Canada to Mexico
Rhamnaceae
- Ceanothus fendleri - western North America
Rosaceae
Subfamily Amygdaloideae
Tribe Maleae
- Heteromeles arbutifolia
- Oregon & California, USA
W/C
Subfamily Amygdaloideae
Tribe Spiraeeae
- Holodiscus discolor - western North America
Subfamily Dryadoideae
Tribe Dryadeae
- Cercocarpus montanus var. glaber - western North America
Selaginellaceae
- Selaginella densa
- Colorado, USA
W/C
- Selaginella watsonii
- western USA
Violaceae
- Viola labradorica - eastern North America
Map (if present) was downloaded from Wikimedia Commons and modifed for usage here under a CC-SA license
data regenerated on Thu, 22 Jun 2017 00:01:52 -0400