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
- Wolffia columbiana
- N & S America
Araliaceae
Subfamily Hydrocotyloideae
- Hydrocotyle verticillata
- cosmopolitan
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.
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
Martyniaceae
- Proboscidea louisianica
- southwestern United States and Mexico
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 Spiraeeae
- Holodiscus discolor
- western North America
Subfamily Dryadoideae
Tribe Dryadeae
- Cercocarpus montanus var. glaber
- western North America
Saururaceae
- Anemopsis californica
- W. & C. U.S.A. to Mexico
W/C
Selaginellaceae
- Selaginella densa
- Colorado, USA
W/C
- Selaginella watsonii
- western USA
Urticaceae
Subfamily
Tribe Urticeae
- Urtica dioica
- widely naturalized in temperate climates
Violaceae
- Viola labradorica
- eastern North America
= Currently Flowering
= Image(s) Available = map available for this accession
data regenerated on Thu, 21 Sep 2017 00:02:51 -0400