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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

                        Urticaceae

                          Subfamily
                          Tribe Urticeae

                          • Urtica dioica - widely naturalized in temperate climates

                          Violaceae

                          • Viola labradorica - eastern North America
                          W/C = Wild Collected

                          Map (if present) was downloaded from Wikimedia Commons and modifed for usage here under a CC-SA license

                          data regenerated on Wed, 26 Jul 2017 00:01:55 -0400

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