Vascular Plants of Montana
Asteraceae
Asteraceae
Generated from PNW Herbaria database
November 28, 2020.
137 genus names
770 species/infraspecies names
(names highlighted in brown could not be resolved to an accepted name)
Index to Genera:
A: Achillea, Adenocaulon, Ageratina, Agoseris, Almutaster, Ambrosia, Anaphalis, Antennaria, Anthemis, Aplopappus, Arctium, Arnica, Artemisia, Askellia, Aster, Astranthium
C: Canadanthus, Carduus, Carthamus, Centaurea, Centipeda, Chaenactis, Chondrilla, Chrysopsis, Chrysothamnus, Cichorium, Cirsium, Cnicus, Conyza, Coreopsis, Cota, Crepis, Cyclachaena
E: Echinacea, Echinops, Ericameria, Ericrameria, Erigeron, Eriophyllum, Eucephalus, Eurybia, Euthamia, Eutrochium
F: Filago
H: Haplopappus, Helenium, Helianthella, Helianthus, Heliomeris, Hemizonella, Herrickia, Heterotheca, Hieracium, Hulsea, Hymenopappus, Hymenoxys, Hypochaeris
J: Jacobaea
P: Packera, Petasites, Picradeniopsis, Platyschkuhria, Pleiacanthus, Podospermum, Pseudognaphalium, Psilocarphus, Psilostrophe, Pyrrocoma
S: Saussurea, Scabrethia, Scorzonera, Senecio, Solidago, Sonchus, Stenotus, Stephanomeria, Symphyotrichum
T: Tanacetum, Taraxacum, Tephroseris, Tetradymia, Tetraneuris, Thelesperma, Tonestus, Townsendia, Tragopogon, Triniteurybia, Tripleurospermum, Troximon
V: Verbesina
W: Wyethia
Achillea filipendulina (MONT, MONTU; 3; 2007-2010)
Achillea millefolium (ID, IDS, LEA, MONT, MONTU, OSC, PLU, RM, SRP, UAAH, UBC, USFS, WCW, WTU, WWB; 930; 1885-2015)
Achillea nobilis (ID, MONT, MONTU, SRP; 18; 1902-2005)
Achillea ptarmica (MONT, MONTU; 4; 1937-2016)
Adenocaulon bicolor (ID, MONT, MONTU, OSC, RM, WTU; 60; 1892-2008)
Ageratina occidentalis (ID, MONT, MONTU, WTU; 11; 1936-2010)
Agoseris ×agrestis (ID, MONT, MONTU, SRP, WTU; 25; 1921-2008)
Agoseris aurantiaca (BOIS, ID, IDS, MONT, MONTU, OSC, PLU, RM, SRP, USFS, WTU; 288; 1886-2014)
var. aurantiaca (BOIS, MONT, MONTU, RM, SRP, USFS, WTU; 109; 1894-2014)
var. carnea (ID, MONT, MONTU, OSC, RM, USFS; 35; 1897-2008)
var. purpurea (IDS, WTU; 4; 1947-1949)
Agoseris ×elata (WTU; 1; 1945)
Agoseris glauca (BOIS, ID, IDS, LEA, MONT, MONTU, NY, OSC, RM, SRP, UBC, USFS, WTU; 661; 1882-2014)
var. dasycephala (ID, IDS, MONT, MONTU, NY, OSC, RM, SRP, USFS, WTU; 418; 1891-2014)
var. glauca (ID, MONT, MONTU, NY, OSC, RM, USFS, WTU; 111; 1882-2014)
Agoseris grandiflora (MONT, MONTU; 9; 1952-1982)
Agoseris heterophylla (MONT, MONTU, RM; 24; 1900-2015)
var. heterophylla (RM; 1; 1902)
Agoseris monticola (WTU; 1; 1927)
Agoseris parviflora (ID, MONT, MONTU, OSC, RM, UBC, USFS, WTU; 61; 1889-2011)
Agoseris retrorsa (MONTU; 2; 1972)
Almutaster pauciflorus (MONTU, RM; 5; 1988-2015)
Ambrosia acanthicarpa (MONT, MONTU, RM; 7; 1891-2000)
Ambrosia artemisiifolia (MONT, MONTU, RM, SRP, USFS; 50; 1885-2018)
Ambrosia psilostachya (LEA, MONT, MONTU, RM, SRP, USFS, WTU; 61; 1885-2010)
Ambrosia tomentosa (MONT, MONTU, RM; 12; 1928-2003)
Ambrosia trifida (MONT, MONTU, RM; 42; 1886-2011)
Anaphalis angustifolia (NY; 1; 1900)
Anaphalis margaritacea (ID, IDS, LEA, MONT, MONTU, PLU, RM, SRP, UBC, USFS, WCW, WTU, WWB; 309; 1886-2014)
Anaphalis subalpina (MONT, WTU; 5; 1921-1947)
Anaphalis subalpinum (WTU; 1; 1941)
Antennaria alpina (LEA, MONTU, PLU; 32; 1897-2011)
Antennaria anaphaloides (BOIS, ID, IDS, LEA, MONT, MONTU, NY, RM, SRP, UBC, USFS, WTU; 252; 1885-2014)
Antennaria arcuata (ID; 1; 1977)
Antennaria argentea (USFS; 2; 1913-1968)
Antennaria aromatica (ID, MONT, MONTU, NY, RM, USFS, WTU; 83; 1902-2011)
Antennaria aromatica × Antennaria umbrinella (RM; 1; 1991)
Antennaria corymbosa (ID, IDS, MONT, MONTU, RM, SRP, USFS, WTU; 95; 1897-2019)
Antennaria corymbosa × Antennaria racemosa (RM; 1; 1988)
Antennaria dimorpha (ID, IDS, MONT, MONTU, RM, SRP, USFS, WTU; 89; 1886-2014)
Antennaria dioica (ID; 1; 1883)
Antennaria ×foliacea (NY; 2; 1896)
Antennaria howellii (ID, MONT, MONTU, RM, SRP, UBC, USFS, WTU, WWB; 100; 1894-2018)
ssp. howellii (ID, MONT, RM, USFS, WTU; 26; 1938-2018)
ssp. neodioica (ID, MONTU, RM, SRP, UBC, USFS, WTU, WWB; 44; 1916-2011)
Antennaria lanata (ID, MONT, MONTU, RM, SRP, USFS, WTU; 163; 1897-2016)
Antennaria luzuloides (BOIS, ID, IDS, LEA, MONT, MONTU, NY, RM, UBC, USFS, WTU, WWB; 141; 1894-2016)
ssp. aberrans (NY; 2; 1895)
ssp. luzuloides (MONT, NY, RM, UBC; 8; 1897-1995)
Antennaria media (MONT, MONTU, RM, SRP, USFS, WTU; 128; 1894-2014)
ssp. media (MONTU; 19; 1953-1993)
Antennaria meodioica (LEA; 1; 1955)
Antennaria microphylla (EWU, ID, IDS, LEA, MONT, MONTU, NY, OSC, RM, SRP, UBC, USFS, WCW, WTU, WWB; 893; 1882-2014)
Antennaria monocephala (ID, MONT, MONTU, RM, WTU; 22; 1964-2013)
Antennaria neglecta (ID, IDS, MONT, MONTU, RM, SRP, UAAH, WTU; 78; 1894-2018)
Antennaria parvifolia (ID, IDS, MONT, MONTU, NY, RM, SRP, USFS, WTU; 374; 1885-2014)
Antennaria pulcherrima (ID, LEA, MONT, MONTU, RM, USFS; 45; 1887-2018)
Antennaria racemosa (ID, IDS, LEA, MONT, MONTU, OSC, RM, SRP, USFS, WCW, WTU; 367; 1886-2018)
Antennaria racemosa × Antennaria umbrinella (RM; 1; 1988)
Antennaria umbrinella (ID, LEA, MONT, MONTU, NY, OSC, RM, SRP, USFS, WTU, WWB; 305; 1896-2018)
Anthemis arvensis (MONTU; 1; 1908)
Anthemis cotula (MONT, MONTU, RM, USFS, WTU; 21; 1898-2004)
Aplopappus acaulis (WTU; 8; 1888-1950)
var. glabratus (WTU; 4; 1888-1930)
Aplopappus argillacea (WTU; 1; 1948)
Aplopappus spinulosus (WTU; 1; 1892)
Aplopappus suffruticosus (WTU; 1; 1902)
Aplopappus uniflorus (MONT; 1; 1892)
Arctium lappa (MONT, MONTU, RM; 12; 1900-2009)
Arctium minus (MONT, MONTU, RM, SRP, USFS, WCW, WTU; 41; 1933-2010)
Arnica alpina (MONTU, WTU; 6; 1972-2005)
Arnica angustifolia (MONT, MONTU, OSC, RM, WTU; 40; 1932-2015)
ssp. tomentosa (MONT, OSC, RM, WTU; 12; 1932-2009)
Arnica celsa (WTU; 1; 1942)
Arnica chamissonis (HPSU, ID, MONT, MONTU, OSC, PSM, RM, SRP, USFS, WTU; 125; 1887-2013)
Arnica columbiana (RM; 1; 1894)
Arnica cordifolia (ID, IDS, LEA, MONT, MONTU, OSC, RM, SRP, UBC, USFS, WCW, WTU; 501; 1884-2018)
Arnica flodmanii (NY; 2; 1896)
Arnica fulgens (ID, LEA, MONT, MONTU, NY, RM, SRP, UBC, USFS, WTU; 236; 1883-2011)
Arnica gracilis (HPSU, ID, MONT, MONTU, NY, OSC, RM, UBC, WTU; 97; 1894-2014)
Arnica grandifolia (NY; 3; 1895-1896)
Arnica granulifera (NY; 1; 1896)
Arnica lanceolata (ID, MONT, MONTU, RM, USFS, WTU; 55; 1888-2015)
ssp. prima (ID, MONT, MONTU, RM, USFS, WTU; 55; 1888-2015)
Arnica latifolia (ID, IDS, LEA, MONT, MONTU, OSC, RM, SOC, SRP, UBC, USFS, WTU; 371; 1886-2014)
Arnica longifolia (ID, IDS, LEA, MONT, MONTU, OSC, RM, SRP, USFS, WTU; 109; 1891-2018)
Arnica maguirei (RM; 2; 1932)
Arnica mollis (ID, IDS, LEA, MONT, MONTU, OSC, RM, UBC, USFS, WTU, WWB; 159; 1886-2015)
Arnica ocreata (NY; 1; 1897)
Arnica ovata (BOIS, MONT, MONTU, RM, USFS, WTU; 60; 1910-2014)
Arnica parryi (IDS, MONT, MONTU, RM, SRP, USFS, WTU; 56; 1886-2014)
Arnica platyphylla (NY; 1; 1894)
Arnica pumila (MONT; 1; 1992)
Arnica rydbergii (ID, IDS, MONT, MONTU, NY, OSC, RM, USFS, WS, WTU; 153; 1896-2015)
Arnica sororia (ID, IDS, MONT, MONTU, OSC, RM, SRP, USFS, WTU; 265; 1886-2014)
Arnica trina (RM; 2; 1932)
Arnica ventorum (SRP, WTU; 2; 1928)
Artemisia abrotanum (MONTU; 5; 1936-1982)
Artemisia absinthium (ID, MONT, MONTU, OSC, RM, SRP, UBC, USFS, WTU; 79; 1897-2008)
Artemisia alpigenus (MONT; 1; 1908)
ssp. haydenii (MONT; 1; 1908)
Artemisia annua (ID, MONT; 3; 1936-1956)
Artemisia arbuscula (ID, MONT, MONTU, RM, USFS, WTU; 59; 1930-2015)
ssp. arbuscula (MONTU, RM, USFS, WTU; 23; 1932-2013)
ssp. longiloba (MONTU, RM; 18; 1956-2015)
Artemisia biennis (MONT, MONTU, RM, USFS, WTU; 58; 1886-2013)
Artemisia campestris (ID, MONT, MONTU, OSC, RM, SRP, UBC, USFS, WTU; 163; 1890-2019)
var. borealis (ID, MONTU, OSC, RM, UBC, WTU; 24; 1903-2019)
var. canadensis (ID, MONT, WTU; 7; 1899-1956)
var. caudata (MONTU, RM, USFS; 10; 1903-2011)
var. scouleriana (MONT, MONTU, RM, SRP, USFS; 75; 1903-2011)
Artemisia cana (HPSU, ID, MONT, MONTU, OSC, RM, SRP, UBC, USFS, WTU; 257; 1885-2013)
ssp. cana (ID, MONT, MONTU, OSC, RM, SRP, USFS, WTU; 145; 1885-2010)
ssp. viscidula (ID, MONT, MONTU, OSC, RM, USFS; 32; 1927-2013)
Artemisia capitata (ID, MONT, MONTU, RM, USFS; 35; 1888-2008)
Artemisia dracunculus (BOIS, ID, IDE, MONT, MONTU, OSC, RM, UBC, USFS, WTU; 147; 1885-2013)
Artemisia floccosa (NY; 2; 1895)
Artemisia flodmanii (NY; 2; 1896)
Artemisia frigida (CIC, EWU, ID, LEA, MONT, MONTU, OSC, RM, SRP, UBC, USFS; 318; 1885-2020)
Artemisia graveolens (NY; 2; 1896)
Artemisia longifolia (MONT, MONTU, RM, SRP; 47; 1937-2018)
Artemisia ludoviciana (BOIS, EWU, ID, IDS, LEA, MONT, MONTU, NY, OSC, RM, SRP, UBC, USFS, WTU; 597; 1823-2018)
ssp. candicans (BOIS, MONT, MONTU, NY, RM, USFS, WTU; 61; 1896-2018)
ssp. incompta (ID, MONT, MONTU, OSC, RM, USFS, WTU; 126; 1887-2018)
ssp. lindleyana (ID, LEA, MONTU; 10; 1956-2017)
ssp. ludoviciana (ID, MONT, MONTU, OSC, RM, SRP, UBC, USFS, WTU; 200; 1823-2013)
ssp. mexicana (MONTU; 1; ?)
var. altiloba (MONT; 1; 1979)
Artemisia michauxiana (BBLM, ID, IDS, LEA, MONT, MONTU, OSC, RM, SRP, UBC, USFS, WTU; 147; 1887-2014)
Artemisia nova (ID, MONT, MONTU, RM, SRP, USFS, WTU; 37; 1947-2016)
Artemisia nuttallii (MONT, MONTU, RM; 16; 1960-2002)
Artemisia pedatifida (ID, MONT, MONTU, RM, WTU; 26; 1893-2009)
Artemisia scopulorum (ID, MONT, MONTU, OSC, RM, UBC, USFS, WTU; 75; 1897-2008)
Artemisia spiciformis (MONTU; 4; 1972-1982)
Artemisia spinescens (ID, MONT, MONTU, RM; 11; 1952-2008)
Artemisia tenuis (NY; 2; 1897)
var. integerrima (NY; 1; 1897)
Artemisia tilesii (MONT, MONTU, RM, UBC; 7; 1921-2004)
Artemisia tridentata (CIC, ID, LEA, MONT, MONTU, OSC, RM, SRP, UBC, USFS, WTU, WWB; 488; 1881-2014)
ssp. tridentata (ID, MONT, MONTU, OSC, RM, WTU; 36; 1921-2014)
ssp. vaseyana (ID, MONT, MONTU, RM, USFS, WTU; 222; 1905-2013)
ssp. wyomingensis (CIC, MONT, MONTU, RM, USFS, WTU; 116; 1888-2014)
Artemisia tripartita (BBLM-OWY, ID, MONT, MONTU, OSC, RM, SRP, UBC, USFS; 73; 1899-2011)
ssp. tripartita (MONTU; 34; 1908-2010)
var. tripartita (RM; 1; 1991)
Artemisia vulgaris (MONT, OSC; 3; 1976-2006)
Askellia elegans (ID, MONT, MONTU, RM, USFS, WTU; 32; 1886-2008)
Askellia pygmaea (ID, IDS, MONT, MONTU, RM, WTU; 33; 1894-2008)
Aster adsurgens (MONT; 26; 1897-1989)
Aster alpinus (MONT; 2; 1921)
Aster ascendens × Aster foliaceus (WTU; 1; 1946)
Aster brevibracteatus (MONTU; 1; 1923)
Aster chilensis × Aster subspicatus (WTU; 1; 1976)
Aster ciliomarginatus (MONT, MONTU, NY; 3; 1897-1922)
Aster foliaceous (MONT; 1; 1977)
var. foliaceous (MONT; 1; 1977)
Aster foliaceus (WTU; 3; 1933-1948)
ssp. apricus (WTU; 1; 1948)
ssp. parryi (WTU; 2; 1933-1948)
Aster foliaceus × Aster hendersonii (WTU; 2; 1945-1946)
Aster foliaceus × Aster laevis (WTU; 9; 1921)
Aster hesperius (MONT; 2; 1952)
var. hesperius (MONT; 2; 1952)
Aster laevis × Aster occidentalis var. intermedius (WTU; 1; 1921)
Aster oregonus (MONT; 14; 1884-1933)
Aster roseolus (NY; 1; 1895)
Aster scribneri (NY; 1; 1883)
Aster subracemosus (NY; 1; 1890)
Aster umbachii (NY; 1; 1901)
Astranthium integrifolium (MONT; 1; 1892)
Balsamorhiza floccosa (MONT, MONTU, NY; 3; 1897)
Balsamorhiza hispidula (MONTU; 1; 1997)
Balsamorhiza hookeri (MONT, MONTU; 5; 1886-2016)
var. incana (MONT; 2; 1886-1937)
Balsamorhiza incana (ID, MONT, MONTU, RM, SRP, USFS, WTU; 87; 1892-2011)
Balsamorhiza macrophylla (MONT, MONTU, RM, USFS; 7; 1928-1992)
Balsamorhiza sagittata (ID, IDS, LEA, MONT, MONTU, NY, OSC, RM, SRP, UAAH, USFS, WCW, WTU; 305; 1881-2011)
Balsamorhiza ×tomentosa (RM; 6; 2008-2009)
Bellis perennis (MONTU; 3; 1985-2009)
Bidens aurea (MONTU; 1; 2008)
Bidens beckii (ID, MONTU, WTU; 10; 1937-1998)
Bidens cernua (ID, IDS, MONT, MONTU, OSC, RM, USFS, WTU; 93; 1886-2015)
Bidens frondosa (MONT, MONTU, RM; 11; 1978-1999)
Bidens tripartita (ID, MONT, MONTU, RM; 13; 1956-2010)
Bidens vulgata (MONT, MONTU, RM; 18; 1886-2018)
Bigelovia douglasii (MONT; 1; 1888)
Brickellia eupatorioides (ID, IDS, MONT, MONTU, OSC, RM, USFS, WTU; 67; 1883-2012)
var. corymbulosa (MONT, MONTU, OSC, RM, USFS, WTU; 17; 1949-2010)
var. eupatorioides (ID, USFS, WTU; 4; 1900-1937)
Brickellia grandiflora (ID, MONT, MONTU, RM, UBC, USFS, WTU; 54; 1880-2008)
Brickellia oblongifolia (ID, MONT, MONTU, OSC, RM, UBC, WTU; 11; 1888-2006)
Canadanthus modestus (CIC, ID, MONT, MONTU, OSC, RM, UBC, USFS, WTU; 124; 1884-2014)
Carduus acanthoides (MONT, MONTU, NY, RM; 7; 1977-2014)
Carduus butleri (NY; 1; 1908)
Carduus drummondii (MONT; 1; 1911)
Carduus kelseyi (NY; 1; 1891)
Carduus nutans (ID, MONT, MONTU, NY, OSC, RM, UBC, USFS, WTU, WWB; 78; 1921-2014)
Carduus ochrocentrus (MONT; 1; 1936)
Carduus polyphyllus (NY; 1; 1897)
Carduus tweedyi (NY; 1; 1887)
Carthamus tinctorius (MONT, MONTU, RM; 10; 1979-2006)
Centaurea benedicta (OSC; 1; 1934)
Centaurea biebersteinii (MONTU; 50; 1937-1986)
Centaurea cyanus (MONT, MONTU, NY, RM; 11; 1937-1974)
Centaurea diffusa (ID, MONT, MONTU, NY, RM, UBC, USFS; 33; 1951-2010)
Centaurea ×gerstlaueri (ID, MONT, MONTU, OSC; 10; 1932-2001)
Centaurea jacea (MONT, MONTU, SRP; 7; 1988-2014)
Centaurea jacea × Centaurea nigra (SRP; 1; 1989)
Centaurea macrocephala (MONT, MONTU; 4; 2004-2011)
Centaurea maculata (MONT; 1; 1957)
Centaurea nigra (MONT, MONTU; 11; 1977-2009)
Centaurea scabiosa (MONT, MONTU; 3; 1999-2004)
Centaurea solstitialis (MONT, MONTU; 7; 1958-2013)
Centaurea stoebe (CIC, ID, IDE, IDS, LEA, MONT, MONTU, NY, OSC, RM, SRP, USFS, WCW, WTU, WWB; 188; 1916-2018)
ssp. australis (CIC, ID, IDS, LEA, MONT, MONTU, NY, OSC, RM, SRP, USFS, WCW, WTU, WWB; 187; 1916-2018)
Centaurea triumfettii (MONTU; 2; 1996-1998)
Centipeda minima (MONT; 1; 1904)
Chaenactis douglasii (CIC, EWU, ID, LEA, MONT, MONTU, OSC, RM, UBC, USFS, WTU; 294; 1897-2017)
var. alpina (ID, MONT, MONTU, OSC, RM, UBC, USFS, WTU; 68; 1897-2017)
var. douglasii (CIC, ID, MONT, MONTU, OSC, RM, UBC, USFS, WTU; 145; 1897-2014)
Chondrilla juncea (MONT, MONTU; 8; 1997-2019)
Chrysopsis nauseosus (MONT; 3; 1936-1994)
Chrysopsis villosa (HPSU; 1; 1950)
var. filosa (HPSU; 1; 1950)
Chrysothamnus nauseosa (RM; 1; 1997)
var. graveolens (RM; 1; 1997)
Chrysothamnus puberulus (MONTU; 3; 1923-1941)
Chrysothamnus pumilus (MONT; 5; 1898-1939)
Chrysothamnus viscidiflorus (BOIS, ID, IDS, MONT, MONTU, OSC, RM, SRP, UBC, USFS, WTU; 152; 1886-2018)
ssp. lanceolatus (MONT, MONTU, OSC, RM, USFS, WTU; 69; 1887-2013)
ssp. puberulus (MONT, MONTU; 3; 1932-1942)
ssp. viscidiflorus (ID, MONT, MONTU, OSC, RM, SRP, UBC, WTU; 59; 1886-2014)
Cichorium intybus (ID, MONT, MONTU, RM, USFS, WTU; 45; 1900-2014)
Cirsium arvense (ID, MONT, MONTU, NY, RM, USFS, WTU; 212; 1895-2011)
Cirsium brevifolium (MONT; 1; 1979)
Cirsium brevistylum (MONT, MONTU; 9; 1894-1987)
Cirsium canescens (MONTU, OSC, RM; 8; 1916-2011)
Cirsium cymosum (ID, MONT, MONTU, NY, RM; 13; 1897-2011)
var. canovirens (ID, MONT, MONTU, NY, RM; 13; 1897-2011)
Cirsium drummondii (USFS; 1; 1913)
Cirsium eatonii (IDS, MONT, MONTU, OSC, RM, USFS, WTU; 82; 1908-2014)
var. eatonii (RM, USFS; 7; 1921-2002)
var. murdockii (MONTU, OSC, RM, USFS, WTU; 47; 1948-2014)
Cirsium edule (RM; 1; 1903)
Cirsium flodmanii (ID, MONT, MONTU, NY, OSC, RM, USFS, WTU; 101; 1892-2011)
Cirsium foliosum (ID, IDS, MONT, MONTU, OSC, RM, USFS; 10; 1897-2008)
Cirsium hookerianum (ID, LEA, MONT, MONTU, RM, USFS, WTU; 100; 1897-2010)
Cirsium hookerianum × Cirsium longistylum (MONT; 2; 1888-1960)
Cirsium inamoenum (CIC, MONT, MONTU, RM; 37; 1976-2020)
var. davisii (RM; 7; 1976-1999)
var. inamoenum (MONT, MONTU; 21; 1979-2008)
Cirsium longistylum (ID, MONT, MONTU, RM; 28; 1956-2009)
Cirsium neomexicanum (MONTU; 1; 1988)
Cirsium nutans (MONT; 1; 1952)
Cirsium pulcherrimum (MONTU; 12; 1936-2009)
Cirsium scabrum (SRP; 1; 2014)
Cirsium scariosum (ID, MONT, MONTU, OSC, RM, SRP, USFS, WTU; 84; 1887-2014)
Cirsium undulatum (ID, MONT, MONTU, NY, RM, SRP, UAAH, USFS, WTU; 189; 1901-2011)
Cirsium vulgare (ID, MONT, MONTU, RM, USFS, WCW, WTU; 96; 1900-2014)
Cnicus arvensis (MONT; 1; ?)
Cnicus undulatus (MONT; 5; 1897)
Conyza canadensis (ID, LEA, MONT, MONTU, RM, USFS, WTU; 160; 1885-2014)
Coreopsis tinctoria (ID, MONT, MONTU, OSC, RM, SRP, WTU; 56; 1880-2019)
Cota tinctoria (MONT, MONTU, UBC, USFS; 12; 1948-2016)
Crepis acuminata (ID, IDS, MONT, MONTU, OSC, RM, SRP, UBC, USFS, WTU; 173; 1887-2017)
var. acuminata (MONT; 1; 1995)
Crepis atribarba (ID, IDS, MONT, MONTU, OSC, RM, UBC, USFS, WTU; 114; 1885-2019)
Crepis barbigera (ID, OSC, SRP, WTU; 4; 1921)
Crepis capillaris (MONTU; 1; 2018)
Crepis gracilis (WTU; 2; 1938)
Crepis intermedia (ID, MONT, MONTU, RM, SRP, USFS, WTU; 72; 1897-2014)
Crepis modocensis (ID, MONT, MONTU, OSC, RM, USFS, WTU; 109; 1888-2011)
var. modocensis (ID, MONT, RM, USFS; 52; 1888-2011)
Crepis nicaeensis (MONTU, OSC; 2; 2012)
Crepis occidentalis (ID, MONT, MONTU, OSC, RM, SRP, UBC, USFS, WTU; 161; 1885-2011)
Crepis perplexans (MONT; 1; 1945)
ssp. perplexans (MONT; 1; 1945)
Crepis platyphylla (MONT; 1; 1945)
ssp. platyphylla (MONT; 1; 1945)
Crepis runcinata (ID, IDS, MONT, MONTU, NY, OSC, RM, SRP, UBC, USFS, WCW, WTU; 167; 1887-2015)
ssp. runcinata (IDS, MONT, MONTU, RM, WCW, WTU; 83; 1887-2015)
var. alpicola (NY; 3; 1896)
var. runcinata (MONT, RM, USFS, WTU; 55; 1901-2011)
Crepis setosa (MONTU; 1; 1994)
Crepis tectorum (ID, MONT, MONTU, RM, SRP, WTU; 27; 1991-2019)
Crepis tomentulosa (WCW; 1; 1970)
Cyclachaena xanthiifolia (ID, MONT, MONTU, RM, USFS, WTU, WWB; 84; 1885-2011)
Diaperia prolifera (MONT, MONTU, RM, WTU; 7; 1935-2017)
Dieteria bigelovii (MONT; 1; 1944)
Dieteria canescens (BOIS, ID, MONT, MONTU, OSC, RM, SRP, UBC, USFS, WTU; 248; 1885-2018)
var. canescens (MONTU, OSC, RM, SRP, USFS, WTU; 89; 1892-2013)
var. leucanthemifolia (MONTU; 1; 1923)
Dimerosporium collinsii (NY; 1; 1916)
Dimerosporium populi (NY; 3; 1888-1889)
Dyssodia papposa (MONT, MONTU, RM, WTU; 24; 1891-2016)
Echinacea angustifolia (EWU, MONT, MONTU, RM, USFS, WTU; 96; 1890-2017)
Echinacea pallida (MONT, MONTU; 5; 1925-1984)
Echinops sphaerocephalus (MONTU; 1; 2019)
Ericameria arborescens (MONT; 1; 1897)
Ericameria discoidea (MONT, MONTU, WTU; 11; 1920-2017)
Ericameria greenei (PLU; 1; 1987)
Ericameria linearis (MONT, MONTU, USFS; 17; 1921-2014)
Ericameria nana (MONT; 1; 1952)
Ericameria nauseosa (BOIS, CIC, HPSU, ID, LEA, MONT, MONTU, OSC, RM, SRP, UBC, USFS, WCW, WTU, WWB; 279; 1885-2020)
var. graveolens (MONT, MONTU, OSC, RM, USFS; 44; 1886-2018)
var. nauseosa (MONT, MONTU, OSC, RM, USFS, WTU; 83; 1894-2013)
var. oreophila (CIC, MONT, MONTU, OSC, RM, UBC, USFS, WTU; 14; 1920-2020)
var. speciosa (BOIS, MONT, MONTU, OSC, RM, USFS, WTU, WWB; 53; 1885-2007)
Ericameria parryi (MONT, MONTU; 2; 1992-2003)
Ericameria suffruticosa (HPSU, ID, MONT, MONTU, RM, USFS, WTU; 60; 1886-2016)
Ericrameria nauseosa (MONTU; 4; 2004-2018)
var. nauseosa (MONTU; 4; 2004-2018)
Erigeron acris (CIC, ID, LEA, MONT, MONTU, OSC, RM, SRP, USFS, WTU; 70; 1882-2018)
var. kamtschaticus (MONT, MONTU, OSC, RM, SRP, USFS, WTU; 42; 1894-2018)
Erigeron allocotus (ID, MONT, MONTU, RM; 19; 1976-2009)
Erigeron annuus (ID, OSC, USFS, WTU; 4; 1890-1941)
Erigeron asperugineus (LEA, MONT, MONTU, WTU; 11; 1937-2015)
Erigeron bellidiastrum (MONT, MONTU, USFS; 3; 1958-1999)
Erigeron caespitosus (HPSU, ID, IDS, LEA, MONT, MONTU, OSC, RM, SOC, SRP, UBC, USFS, WTU; 427; 1883-2016)
Erigeron compositus (BOIS, CIC, COLO, ID, IDS, LEA, MONT, MONTU, OSC, RM, SRP, UBC, USFS, WCW, WTU; 587; 1881-2018)
ssp. pectinipetiolatus (MONT; 1; 1954)
ssp. penicillatus (IDS; 1; 1939)
var. penicillatus (COLO; 1; 1939)
Erigeron concinnus (MONT, MONTU, OSC, RM, UBC, USFS; 11; 1913-1990)
var. concinnus (OSC, RM, USFS; 7; 1922-1990)
Erigeron corymbosus (ID, MONT, MONTU, OSC, RM, UBC, USFS, WCW, WTU; 137; 1887-2019)
Erigeron coulteri (ID, IDS, LEA, MONT, MONTU, WTU; 27; 1938-2009)
Erigeron disparipilus (MONT; 1; 1943)
Erigeron divergens (ID, MONT, MONTU, OSC, RM, SRP, UBC, USFS, WTU, WWB; 140; 1883-2018)
Erigeron eatonii (ID, MONT, MONTU, RM, WTU; 5; 1914-1998)
var. eatonii (RM, WTU; 2; 1945-1998)
var. villosus (ID, MONT; 2; 1944-1973)
Erigeron engelmannii (MONT, MONTU, RM, USFS, WCW; 11; 1921-2010)
var. gracilior (MONT; 1; 1938)
Erigeron evermannii (MONT, MONTU, WTU; 8; 1964-1974)
Erigeron eximius (WTU; 1; 1928)
Erigeron filifolius (MONT, MONTU, RM, SRP; 18; 1895-2011)
Erigeron flabellifolius (MONT, MONTU, OSC, RM, WTU; 22; 1945-2012)
Erigeron flagellaris (MONT, MONTU, RM, USFS, WTU; 13; 1980-2010)
Erigeron formosissimus (ID, OSC, RM, SRP, USFS; 11; 1937-2014)
Erigeron glabellus (ID, IDS, LEA, MONT, MONTU, NY, OSC, RM, SRP, UBC, USFS, WTU; 181; 1883-2019)
ssp. glabellus (ID, OSC, WTU; 7; 1921-1948)
var. glabellus (MONT, MONTU, NY, RM, USFS, WTU; 69; 1887-2011)
var. pubescens (MONT, MONTU, OSC, RM, USFS, WTU; 16; 1903-2011)
Erigeron glacialis (ID, IDS, MONT, MONTU, OSC, RM, SRP, USFS, WTU; 232; 1892-2014)
var. glacialis (ID, IDS, MONT, MONTU, OSC, RM, SRP, USFS, WTU; 232; 1892-2014)
Erigeron gracilis (ID, IDS, MONT, MONTU, RM, SRP, USFS, WTU; 43; 1914-2018)
Erigeron grandiflorus (ID, IDS, LEA, MONT, MONTU, OSC, RM, UBC, USFS, WCW, WTU; 281; 1897-2018)
Erigeron humilis (ID, MONT, MONTU, RM; 16; 1894-2016)
Erigeron lackschewitzii (COLO, ID, MONT, MONTU, RM; 17; 1979-2011)
Erigeron lanatus (ID, MONT, MONTU, RM, USFS; 14; 1897-2001)
Erigeron leiomerus (MONTU; 4; 1922-2015)
Erigeron linearis (ID, MONT, MONTU, RM, WTU; 15; 1947-2017)
Erigeron lonchophyllus (ID, LEA, MONT, MONTU, OSC, RM, SRP, UBC, USFS, WCW, WTU; 78; 1888-2014)
Erigeron mancus (MONT; 1; 1993)
Erigeron montanensis (MONT, WTU; 2; 1901-1937)
Erigeron multiceps (MONT; 3; 1957-1965)
Erigeron multifidus (MONT, MONTU; 2; 1905)
Erigeron nivalis (ID, MONT, MONTU, RM, USFS, WTU; 112; 1883-2019)
Erigeron ochroleucus (ID, LEA, MONT, MONTU, NY, OSC, RM, UBC, USFS, WCW, WTU; 375; 1881-2019)
ssp. pumilus (MONT; 1; 1900)
Erigeron parryi (MONT, NY, RM, USFS; 21; 1888-2003)
Erigeron peregrinus (ID, IDS, LEA, MONT, MONTU, WTU; 96; 1889-2014)
Erigeron philadelphicus (ID, MONT, MONTU, OSC, RM, WTU; 45; 1892-2008)
Erigeron pinnatisectus (MONTU; 4; 1906-1992)
Erigeron poliospermus (SRP; 1; 1935)
Erigeron pubescens (MONT; 1; 1891)
Erigeron pumilus (ID, MONT, MONTU, OSC, RM, SRP, USFS, WTU, WWB; 410; 1886-2017)
var. intermedius (ID, MONT, MONTU, OSC, RM, USFS, WTU, WWB; 79; 1891-2008)
var. pumilus (ID, MONT, MONTU, RM, USFS, WTU; 147; 1892-2011)
Erigeron radicatus (MONT, MONTU, OSC, RM, SRP, WTU; 72; 1937-2011)
Erigeron rydbergii (ID, LEA, MONT, MONTU, NY, OSC, RM, UBC, USFS, WS, WTU; 116; 1886-2017)
Erigeron salsuginosus (IDS, MONT, MONTU, OSC, WTU; 18; 1897-1976)
Erigeron speciosus (BOIS, CIC, EWU, HPSU, ID, IDS, LEA, MONT, MONTU, NY, OSC, PSM, RM, SRP, USFS, WTU, WWB; 428; 1884-2017)
Erigeron strigosus (ID, MONT, MONTU, OSC, RM, USFS, WTU; 149; 1885-2015)
var. septentrionalis (MONT, MONTU, RM, USFS; 38; 1941-2011)
var. strigosus (MONT, MONTU, OSC, RM, USFS, WTU; 33; 1885-2010)
Erigeron subtrinervis (ID, LEA, MONT, MONTU, RM, SRP, USFS, WCW, WTU; 43; 1897-2014)
Erigeron tener (ID, MONTU; 3; 1977-1997)
Erigeron trifidus (MONTU; 2; 1938)
Erigeron tweedyi (ID, LEA, MONT, MONTU, NY, OSC, RM, USFS, WTU; 43; 1887-2015)
Erigeron uniflorus (WTU; 2; 1903)
Erigeron ursinus (BOIS, ID, LEA, MONT, MONTU, OSC, RM, USFS, WTU; 122; 1888-2018)
Erigeron vetensis (MONTU; 1; 1921)
Eriophyllum lanatum (ID, MONT, MONTU, OSC, RM, SRP, USFS, WTU, WWB; 125; 1905-2016)
var. integrifolium (ID, MONT, MONTU, OSC, RM, SRP, USFS, WTU, WWB; 81; 1905-2014)
var. lanatum (MONTU, USFS, WTU; 17; 1921-2014)
Eucephalus elegans (ID, LEA, MONT, MONTU, OSC, RM, SRP, UBC, USFS, WTU; 51; 1897-2018)
Eucephalus engelmannii (CIC, ID, MONT, MONTU, OSC, RM, USFS, WTU; 103; 1887-2018)
Eurybia compacta (MONT; 1; 1995)
Eurybia conspicua (CIC, ID, MONT, MONTU, OSC, RM, USFS, WTU; 181; 1886-2014)
Eurybia integrifolia (CIC, EWU, ID, LEA, MONT, MONTU, NY, OSC, PLU, RM, SRP, USFS, WTU, WWB; 151; 1883-2017)
Eurybia merita (ID, MONT, MONTU, RM, USFS, WTU; 69; 1887-2013)
Eurybia radula (MONT; 1; 1924)
Eurybia radulina (MONT, WTU; 2; 1900)
Eurybia sibirica (LEA, MONTU, SRP, WTU; 35; 1900-2011)
Euthamia gymnospermoides (OSC; 1; 1976)
Euthamia occidentalis (ID, MONT, MONTU, RM, WTU; 53; 1885-2018)
Eutrochium maculatum (MONT, MONTU, RM, USFS; 9; 1911-1998)
var. bruneri (RM; 2; 1983-1996)
Filago arvensis (EWU, MONT, MONTU, OSC, RM, SRP, USFS, WTU; 165; 1942-2018)
Gaillardia aristata (HPSU, ID, IDS, MONT, MONTU, NY, OSC, PLU, RM, SRP, UBC, USFS, WS, WTU, WWB; 572; 1881-2014)
Gaillardia pinnatifida (SRP; 1; 2000)
Galinsoga parviflora (MONTU; 1; 2000)
Galinsoga quadriradiata (MONT, MONTU; 5; 1901-2009)
Gamochaeta purpurea (MONT; 1; 1914)
Geraea viscida (MONT; 1; 1953)
Gnaphalium palustre (ID, MONT, MONTU, OSC, RM, SRP, USFS, WTU; 95; 1880-2011)
Gnaphalium uliginosum (MONT, MONTU; 9; 1938-1993)
Gnaphalium williamsii (NY, RM; 2; 1894-1903)
Grindelia hirsutula (ID, MONT, MONTU, RM, USFS, WTU; 110; 1885-2010)
Grindelia howellii (ID, MONT, MONTU, USFS, WTU; 78; 1966-2018)
Grindelia squarrosa (HPSU, ID, LEA, MONT, MONTU, RM, UAAH, USFS, WCW, WTU, WWB; 233; 1887-2013)
Gutierrezia arizonica (MONT; 1; 1930)
Gutierrezia euthamiae (WTU; 1; 1898)
Gutierrezia sarothrae (CIC, ID, IDS, MONT, MONTU, OSC, RM, SRP, UBC, USFS, WCW, WTU; 254; 1885-2020)
Haplopappus integrifolius (ID, SRP; 2; 1948)
ssp. integrifolius (ID, SRP; 2; 1948)
Helenium autumnale (MONT, MONTU, OSC, RM, UBC, USFS, WTU; 69; 1885-2010)
Helianthella quinquenervis (MONT, MONTU, OSC, RM, SRP, USFS, WTU; 54; 1899-2010)
Helianthella uniflora (HPSU, ID, MONT, MONTU, OSC, RM, SRP, UBC, USFS, WCW, WTU; 157; 1886-2014)
var. douglasii (MONT, MONTU, OSC, WTU; 13; 1921-1993)
var. uniflora (MONT, MONTU; 6; 1979)
Helianthella uniflorus (LEA; 1; 1968)
Helianthus annuus (ID, IDS, MONT, MONTU, NY, OSC, RM, UAAH, USFS, WTU; 216; 1885-2018)
Helianthus giganteus (MONTU, RM, USFS, WTU; 5; 1916-1989)
Helianthus ×laetiflorus (MONT; 8; 1885-1952)
Helianthus maximiliani (MONT, MONTU, RM, USFS, WTU; 47; 1889-2013)
Helianthus nuttallii (ID, MONT, MONTU, OSC, RM, USFS, WTU; 112; 1885-2018)
ssp. nuttallii (RM, USFS, WTU; 17; 1942-2011)
ssp. rydbergii (RM; 1; 2011)
Helianthus pauciflorus (EWU, ID, MONT, MONTU, RM, USFS, WTU; 70; 1886-2018)
ssp. pauciflorus (MONT, MONTU; 12; 1898-2005)
ssp. subrhomboideus (ID, MONT, MONTU, RM, USFS, WTU; 54; 1886-2011)
Helianthus petiolaris (ID, MONT, MONTU, RM, UBC, USFS, WTU; 96; 1881-2011)
ssp. petiolaris (MONTU, WTU; 2; 1948-2010)
Helianthus tuberosus (MONT; 2; 1943-1958)
Heliomeris multiflora (ID, MONT, MONTU, RM; 12; 1897-2014)
var. multiflora (MONT, MONTU, RM; 7; 1897-2002)
Hemizonella minima (ID, MONT, MONTU; 24; 1971-2019)
Herrickia glauca (ID, MONTU, RM, USFS; 13; 1980-2008)
var. glauca (RM, USFS; 2; 1980)
Heterotheca fulcrata (IDS, USFS; 4; 1914-2007)
var. fulcrata (IDS; 2; 1937)
Heterotheca hirsuta (ID; 3; 1935-1948)
Heterotheca hispida (ID; 17; 1912-1980)
Heterotheca pumila (MONTU; 1; 1977)
Heterotheca villosa (CIC, EWU, HPSU, ID, LEA, MONT, MONTU, NY, OSC, PSM, RM, RR, SRP, UAAH, USFS, WCW, WTU, WWB; 602; 1881-2020)
var. ballardii (OSC; 1; 1950)
var. depressa (ID, WTU; 2; 1941-1945)
var. foliosa (MONTU, NY, OSC, RM, USFS, WTU; 58; 1885-2010)
var. minor (CIC, HPSU, MONT, MONTU, NY, OSC, WTU; 116; 1888-2020)
var. nana (MONT, OSC, RM, RR; 26; 1920-2009)
var. villosa (MONTU, OSC, RM, USFS, WTU; 247; 1897-2015)
Heterotheca viscida (MONT; 1; 1966)
Hieracium albiflorum (ID, IDS, LEA, MONT, MONTU, OSC, RM, SRP, UBC, USFS, WCW, WTU; 242; 1888-2018)
Hieracium aurantiacum (ID, MONT, MONTU, RM, WTU; 45; 1963-2018)
Hieracium caespitosum (ID, IDE, MONT, MONTU, RM, WTU; 28; 1992-2018)
Hieracium ×floribundum (ID, IDE; 3; 2004)
Hieracium griseum (MONTU, NY; 2; 1897-1920)
Hieracium nudicaule (ID; 1; 2011)
Hieracium piloselloides (IDE, MONT, MONTU; 16; 1988-2005)
Hieracium scouleri (EWU, ID, MONT, MONTU, OSC, RM, SRP, USFS, WTU; 240; 1886-2018)
var. cynoglossoides (ID, WTU; 7; 1903-1948)
Hieracium triste (ID, IDS, MONT, MONTU, RM, USFS, WTU; 174; 1886-2009)
Hieracium umbellatum (ID, LEA, MONT, MONTU, OSC, RM, USFS, WTU; 128; 1886-2014)
Hulsea algida (ID, IDS, LEA, MONT, MONTU, NY, OSC, RM, SRP, USFS, WTU; 119; 1886-2017)
Hymenopappus acaulis (MONT; 1; 1963)
Hymenopappus filifolius (ID, LEA, MONT, MONTU, RM, USFS, WS, WTU; 202; 1888-2015)
var. cinereus (MONT; 3; 1972-1994)
var. filifolius (RM, USFS; 6; 1921-1984)
var. idahoensis (MONTU; 1; 1985)
var. luteus (ID, MONTU, RM; 15; 1976-2009)
var. polycephalus (ID, MONT, MONTU, RM, USFS, WS; 153; 1888-2014)
Hymenopappus tenuifolius (RM, USFS; 2; 2009)
Hymenoxys grandiflora (ID, MONT, MONTU, RM, SRP, USFS, WTU; 50; 1897-2014)
Hymenoxys richardsonii (ID, IDS, MONT, MONTU, RM, UBC, USFS, WTU; 157; 1888-2014)
var. richardsonii (MONT, MONTU, RM, UBC; 81; 1898-2011)
Hypochaeris radicata (MONT, MONTU; 11; 1981-2015)
Ionactis alpina (ID, LEA, MONT, MONTU, OSC, RM, SRP, UBC, USFS, WTU; 100; 1888-2018)
Ionactis stenomeres (ID, IDS, LEA, MONT, MONTU, OSC, RM, SRP, USFS, WTU; 52; 1887-2016)
Iva axillaris (HPSU, ID, IDE, IDS, LEA, MONT, MONTU, RM, USFS, WTU; 196; 1885-2013)
Jacobaea vulgaris (MONT, MONTU; 8; 1995-2014)
Lactuca biennis (MONT, MONTU, RM, USFS, WTU; 31; 1886-2014)
Lactuca canadensis (MONT, USFS; 5; 2009)
Lactuca ludoviciana (MONT, MONTU, RM, USFS; 8; 1890-2011)
Lactuca multifida (MONT, NY; 2; 1895)
Lactuca serriola (MONT, MONTU, RM, USFS, WTU, WWB; 190; 1887-2011)
Lactuca tatarica (ID, MONT, MONTU, RM, USFS, WTU; 225; 1881-2014)
ssp. pulchella (ID, MONT, MONTU, RM, USFS, WTU; 225; 1881-2014)
Lagophylla ramosissima (MONTU, USFS; 6; 1968-2018)
Lapsana communis (ID, MONT, MONTU; 12; 1983-2018)
Leucanthemum vulgare (CIC, ID, MONT, MONTU, OSC, RM, USFS, WTU; 106; 1883-2011)
Liatris ligulistylis (ID, MONT, MONTU, RM; 9; 1936-2008)
Liatris punctata (ID, IDS, MONT, MONTU, OSC, RM, SRP, UAAH, UBC, USFS, WCW, WTU, WWB; 271; 1881-2014)
var. punctata (ID, RM, SRP, USFS, WTU; 60; 1937-2011)
Liatris squarrosa (WTU; 1; 1937)
Lorandersonia linifolia (MONT, MONTU, RM; 8; 1932-2015)
Lygodesmia grandiflora (ID, OSC, SRP, WCW; 4; 1950-1970)
Lygodesmia juncea (ID, MONT, MONTU, REED, RM, UAAH, UBC, USFS, WTU; 174; 1881-2011)
Machaeranthera tanacetifolia (ID, MONT, MONTU, OSC, PSM, RM, SRP, USFS, WTU; 59; 1890-2019)
Macronema grindelifolium (NY; 1; 1897)
Madia exigua (ID, MONT, MONTU, RM, USFS, WTU; 41; 1900-2018)
Madia glomerata (ID, MONT, MONTU, RM, USFS, WTU; 102; 1886-2011)
Madia gracilis (MONT; 1; 1901)
Madia sativa (ID, MONT, MONTU; 3; 1899-1991)
Malacothrix sonchoides (MONTU; 1; 2009)
Malacothrix torreyi (MONT, MONTU; 2; 1976-1991)
Matricaria discoidea (ID, MONT, MONTU, RM, SRP, USFS, WTU; 166; 1888-2009)
Microseris nutans (ID, MONT, MONTU, OSC, PLU, RM, USFS, WTU; 219; 1887-2018)
Mycelis muralis (MONTU; 2; 2011-2014)
Nabalus alatus (MONT, WTU; 2; 1897-1936)
Nabalus sagittatus (HPSU, ID, MONT, MONTU, OSC, RM, SRP, USFS, WTU; 75; 1892-2013)
Nestotus stenophyllus (MONTU; 1; 2002)
Nothocalais alpestris (ID, SRP, WTU; 4; 2008)
Nothocalais cuspidata (MONT, MONTU, RM, USFS, WTU; 70; 1886-2011)
Nothocalais nigrescens (ID, MONT, MONTU, OSC, RM, USFS, WTU; 80; 1886-2009)
Nothocalais troximoides (MONT, MONTU, OSC, RM, USFS; 36; 1906-2009)
Onopordum acanthium (MONT, MONTU, RM; 16; 1953-2017)
Oonopsis multicaulis (MONT, MONTU, OSC, RM; 15; 1941-2014)
Oreastrum haydenii (MONT; 1; 1897)
Oreostemma alpigenum (ID, MONT, MONTU, OSC, RM, SRP, USFS, WTU; 121; 1887-2019)
var. alpigenum (OSC; 1; 1945)
var. andersonii (MONT; 1; 1903)
var. haydenii (ID, MONT, MONTU, RM, SRP, USFS, WTU; 88; 1891-2014)
Packera aurea (ID, MONTU; 2; 1921-1928)
Packera cana (BOIS, HPSU, ID, IDS, LEA, MONT, MONTU, OSC, RM, SRP, UBC, USFS, WTU; 832; 1886-2019)
Packera contermina (MONT, RM, USFS, WTU; 16; 1895-2009)
Packera crocata (MONTU, RM, USFS; 3; 1911-2007)
Packera cymbalaria (ID, MONT, MONTU, WTU, WWB; 34; 1903-2018)
Packera debilis (MONT, MONTU, WTU; 20; 1895-1995)
Packera dimorphophylla (MONT, MONTU, RM, WTU; 18; 1976-2009)
var. dimorphophylla (MONT, MONTU, RM; 6; 1976-2002)
var. paysonii (MONTU, RM, WTU; 10; 1976-2009)
Packera fendleri (MONT; 1; 1930)
Packera hyperborealis (MONTU; 1; 1981)
Packera indecora (ID, MONT, MONTU, RM, UBC, USFS, WTU; 58; 1905-2014)
Packera paupercula (ID, MONT, MONTU, OSC, RM, SRP, USFS, WTU; 76; 1894-2014)
Packera plattensis (MONT, MONTU, RM, USFS; 47; 1892-2011)
Packera pseudaurea (EWU, ID, LEA, MONT, MONTU, NY, OSC, PLU, PSM, RM, SRP, USFS, WTU; 252; 1881-2018)
var. flavula (MONTU; 1; 1923)
var. pseudaurea (MONT, MONTU, OSC, RM, USFS, WTU; 99; 1887-2009)
Packera streptanthifolia (ID, MONT, MONTU, RM, USFS, WTU, WWB; 189; 1892-2014)
Packera subnuda (ID, IDS, LEA, MONT, MONTU, OSC, RM, UBC, USFS, V, WTU; 203; 1887-2018)
var. subnuda (ID, IDS, MONT, MONTU, OSC, WTU; 30; 1887-1974)
Packera werneriifolia (MONT, MONTU, NY, RM, USFS, WTU; 24; 1897-2009)
Petasites dentata (NY; 1; 1893)
Petasites frigidus (BOIS, ID, MONT, MONTU, RM, USFS; 69; 1893-2011)
var. sagittatus (BOIS, ID, MONT, MONTU, RM, USFS; 68; 1893-2011)
Picradeniopsis oppositifolia (ID, MONT, MONTU, OSC, RM, USFS, WTU; 70; 1887-2014)
Platyschkuhria integrifolia (MONT, MONTU, RM; 19; 1976-2014)
Pleiacanthus spinosus (MONT, MONTU, RM, USFS; 13; 1900-2018)
Podospermum laciniatum (MONT, MONTU; 26; 1902-2015)
Pseudognaphalium californicum (MONT; 1; 1894)
Pseudognaphalium macounii (MONT, MONTU, RM, USFS; 12; 1925-2003)
Pseudognaphalium microcephalum (ID, MONT, MONTU, RM, UBC, USFS; 26; 1894-2003)
Pseudognaphalium stramineum (ID, MONT, MONTU, RM; 6; 1918-2009)
Pseudognaphalium thermale (MONTU, USFS, WTU; 4; 2007-2013)
Pseudognaphalium viscosum (MONT, MONTU, WTU; 16; 1938-2004)
Psilocarphus brevissimus (MONT, MONTU, RM, WTU; 17; 1891-2011)
var. brevissimus (MONTU, RM, WTU; 4; 1948-2011)
Psilocarphus elatior (MONTU; 1; 1999)
Psilocarphus tenellus (MONT, MONTU; 4; 2009-2013)
Psilostrophe tagetina (WCW; 1; 1970)
Pyrrocoma carthamoides (MONT, MONTU, RM, WTU; 35; 1892-2014)
var. carthamoides (MONT, MONTU, RM, WTU; 19; 1892-2009)
var. subsquarrosa (MONTU, RM; 10; 1990-1995)
Pyrrocoma clementis (USFS; 1; 1926)
Pyrrocoma integrifolia (BOIS, ID, MONT, MONTU, NY, OSC, RM, SRP, UBC, USFS, WTU; 145; 1886-2018)
var. pumila (NY; 2; 1895)
Pyrrocoma lanceolata (BOIS, ID, MONT, MONTU, RM, WTU; 28; 1899-2010)
var. lanceolata (ID, MONTU, RM, WTU; 7; 1899-2010)
Pyrrocoma plantaginea (NY; 1; 1897)
Pyrrocoma uniflora (ID, IDS, MONT, MONTU, RM, SRP, USFS, WCW, WTU; 56; 1888-2019)
var. uniflora (ID, IDS, MONTU, RM, USFS, WTU; 23; 1910-2014)
Rainiera stricta (ID; 1; 1931)
Ratibida columnifera (EWU, ID, IDS, LEA, MONT, MONTU, OSC, RM, SRP, UAAH, UBC, USFS, WTU; 355; 1883-2017)
Rhaponticum repens (ID, MONT, MONTU, NY, RM; 45; 1934-2010)
Rudbeckia hirta (MONT, MONTU, RM, WTU; 8; 1897-2010)
Rudbeckia laciniata (CIC, ID, MONT, MONTU, OSC, RM, UBC, USFS, WCW, WTU; 70; 1889-2009)
var. ampla (MONT, MONTU, OSC, RM, USFS, WTU; 31; 1898-2009)
Rudbeckia occidentalis (ID, MONT, MONTU, RM, USFS, WTU; 73; 1892-2014)
Saussurea americana (ID, LEA, MONT, MONTU, RM, USFS, WTU; 46; 1924-2008)
Saussurea nuda (ID, MONT, MONTU, RM, WTU; 24; 1973-2012)
Saussurea weberi (RM, WTU; 2; 1973-1976)
Scabrethia scabra (ID, MONT, MONTU, RM; 16; 1967-2009)
ssp. scabra (ID, MONTU, RM; 9; 1975-2009)
Scorzonera hispanica (MONT; 2; 1984)
Senecio amplectens (ID, MONTU, OSC, PLU, RM, UBC, WTU; 9; 1914-1993)
var. holmii (ID, OSC, RM, UBC, WTU; 6; 1955-1979)
Senecio arachnoideus (NY; 2; 1891)
Senecio bigelovii (MONT; 1; 2011)
var. hallii (MONT; 1; 2011)
Senecio cannabifolius (MONT; 1; 1936)
Senecio crassulus (ID, MONT, MONTU, RM, SRP, USFS, WTU; 105; 1887-2016)
Senecio dimorphylla (LEA; 1; 1983)
Senecio elmeri (MONTU; 1; 2009)
Senecio eremophilus (ID, MONT, MONTU, RM, SRP; 11; 1894-2011)
var. eremophilus (MONT, MONTU, RM; 6; 1894-2011)
Senecio fremontii (ID, LEA, MONT, MONTU, OSC, RM, UBC, USFS, WTU; 144; 1888-2008)
var. fremontii (MONTU, RM, USFS, WTU; 48; 1897-2008)
var. occidentalis (MONT; 2; 1888-1901)
Senecio hydrophiloides (ID, MONT, MONTU, NY, OSC, RM, SRP, UBC, WTU; 57; 1892-2014)
Senecio hydrophilus (MONT, MONTU, RM, SRP, USFS, WTU; 25; 1899-2018)
Senecio integerrimus (ID, IDS, LEA, MONT, MONTU, NY, OSC, PLU, RM, SRP, USFS, WCW, WTU; 523; 1883-2017)
var. exaltatus (ID, MONT, MONTU, OSC, RM, SRP, USFS, WTU; 302; 1885-2014)
var. integerrimus (MONTU, RM, USFS, WCW, WTU; 60; 1901-2017)
var. ochroleucus (MONT, MONTU; 4; 1922-1973)
var. scribneri (ID, MONT, MONTU, NY, RM; 47; 1883-2014)
Senecio lugens (ID, LEA, MONT, MONTU, NY, OSC, RM, UBC, USFS, WTU; 74; 1896-2014)
Senecio macrocephalis (WTU; 1; 1948)
Senecio macrocephalus (ID; 1; 1948)
Senecio megacephalus (EWU, ID, IDS, LEA, MONT, MONTU, RM, UBC, USFS, WTU; 94; 1892-2017)
Senecio pauperculus (ID, MONTU, NY; 3; 1895-1921)
f. discoideus (NY; 1; 1895)
var. pauperculus (ID, MONTU; 2; 1921)
Senecio rapifolius (RM; 1; 1934)
Senecio serra (ID, MONT, MONTU, OSC, RM, UBC, USFS, WTU; 147; 1885-2014)
var. admirabilis (USFS; 2; 2008)
var. serra (MONT, MONTU, RM, USFS; 36; 1885-2014)
Senecio sphaerocephalus (ID, MONT, MONTU, NY, OSC, RM, SRP, USFS, WTU; 75; 1896-2014)
Senecio spribillei (COLO; 1; 2001)
Senecio triangularis (BBLM, EWU, ID, LEA, MONT, MONTU, NY, OSC, PLU, RM, SRP, UBC, USFS, WS, WTU, WWB; 325; 1882-2017)
var. triangularis (MONT, MONTU; 5; 1979-1993)
Senecio variifolius (MONT; 1; 1934)
Senecio vulgaris (ID, MONT, MONTU, RM, USFS; 30; 1889-1999)
Solidago altissima (ID, MONT, MONTU, OSC, RM, SRP, UBC, USFS, WTU; 29; 1898-2014)
ssp. altissima (RM; 2; 1898-1903)
ssp. gilvocanescens (ID, MONT, MONTU, OSC, RM, SRP, UBC, USFS, WTU; 26; 1905-2014)
Solidago ×bartramiana (ID; 1; 1940)
Solidago canadensis (ID, LEA, MONT, MONTU, OSC, RM, SRP, USFS, WTU; 83; 1883-2013)
var. procera (WTU; 1; 1883)
Solidago drummondii (MONT; 1; 1968)
Solidago elongata (ID, IDS, MONT, MONTU, WTU; 32; 1894-1960)
Solidago gigantea (ID, MONT, MONTU, OSC, RM, USFS, WTU; 143; 1883-2019)
Solidago glutinosa (WTU; 2; 1942-1955)
var. glutinosa (WTU; 2; 1942-1955)
Solidago lepida (CIC, ID, MONT, MONTU, OSC, RM, USFS, WTU; 138; 1894-2014)
var. lepida (MONTU, RM; 11; 1992-2011)
var. salebrosa (CIC, ID, MONT, MONTU, OSC, RM, USFS, WTU; 125; 1894-2014)
Solidago missouriensis (EWU, ID, IDS, LEA, MONT, MONTU, NY, OSC, PLU, RM, SRP, UBC, USFS, WCW, WTU; 543; 1884-2017)
Solidago mollis (ID, MONT, MONTU, OSC, RM, SRP, USFS, WTU; 107; 1885-2013)
Solidago multiradiata (EWU, ID, IDS, LEA, MONT, MONTU, OSC, PLU, RM, SRP, UBC, USFS, WTU, WWB; 383; 1881-2017)
Solidago multradiata (MONTU; 1; 2014)
var. scopulorum (MONTU; 1; 2014)
Solidago nana (CIC, ID, MONT, MONTU, NY, OSC, RM, UBC, USFS, WTU; 41; 1888-2020)
Solidago nemoralis (ID, MONT, MONTU, OSC, RM, USFS, WCW, WTU; 43; 1903-2011)
ssp. decemflora (MONT, MONTU, OSC, RM, USFS, WTU; 28; 1903-2011)
Solidago ptarmicoides (LEA, MONT, MONTU, RM, USFS; 12; 1979-2019)
Solidago rigida (ID, LEA, MONT, MONTU, OSC, RM, UBC, USFS, WTU; 142; 1886-2013)
ssp. glabrata (WTU; 1; 1936)
ssp. humilis (ID, MONT, MONTU, OSC, RM, UBC, USFS, WTU; 64; 1903-2013)
Solidago rugosa (MONT; 2; 1953-1967)
var. aspera (MONT; 1; 1967)
Solidago simplex (MONT, MONTU, RM, USFS, WCW, WTU; 40; 1891-2011)
ssp. simplex (MONTU; 1; 1993)
var. nana (WCW; 1; 1935)
var. simplex (MONT, MONTU, RM, USFS, WTU; 27; 1891-2011)
Solidago spathulata (MONT, MONTU, WTU; 4; 1972-1985)
Solidago speciosa (RM; 1; 1921)
Solidago uliginosa (MONTU; 1; ?)
Solidago velutina (MONT, MONTU, RM, USFS; 5; 1921-1991)
ssp. sparsiflora (MONT, MONTU, RM, USFS; 5; 1921-1991)
Sonchus arvensis (ID, LEA, MONT, MONTU, RM, USFS, WTU, WWB; 130; 1904-2014)
ssp. arvensis (MONTU; 2; 1937-1967)
ssp. uliginosus (ID, MONT, MONTU, RM, USFS, WWB; 93; 1904-2014)
var. uliginosus (MONTU; 17; 1904-1990)
Sonchus asper (ID, MONT, MONTU, RM, WTU; 35; 1887-1997)
Sonchus oleraceus (CIC, MONT, MONTU, RM, USFS; 19; 1904-2008)
Stenotus acaulis (HPSU, ID, LEA, MONT, MONTU, OSC, RM, UBC, USFS, WTU; 210; 1882-2018)
Stenotus armerioides (ID, MONT, MONTU, RM, USFS, WTU; 83; 1890-2011)
var. armerioides (ID, MONT, MONTU, RM, USFS; 63; 1890-2011)
Stenotus languinosus (ID; 1; 2008)
var. andersonii (ID; 1; 2008)
Stenotus lanuginosus (LEA, MONT, MONTU, NY, OSC, RM, USFS, WTU; 74; 1886-2014)
var. andersonii (MONT, MONTU, NY, OSC, RM, USFS, WTU; 47; 1886-2008)
var. lanuginosus (OSC; 1; 1945)
Stenotus latifolium (WTU; 1; 1938)
Stenotus latifolius (MONTU; 1; 1921)
Stephanomeria runcinata (ID, MONT, MONTU, OSC, RM, UBC, USFS, WTU; 72; 1890-2014)
Stephanomeria tenuifolia (ID, MONT, MONTU, OSC, RM, UBC, USFS, WTU; 58; 1849-2012)
Symphyotrichum ascendens (CIC, ID, MONT, MONTU, OSC, RM, UBC, USFS, WTU; 304; 1831-2018)
Symphyotrichum boreale (ID, MONT, MONTU, NY, OSC, RM, UBC, USFS, WTU; 43; 1896-2014)
Symphyotrichum bracteolatum (ID, MONT, MONTU, OSC, RM, UBC, USFS, WTU; 126; 1885-2016)
Symphyotrichum campestre (BOIS, CIC, ID, MONT, MONTU, OSC, RM, UBC, USFS, WTU; 76; 1886-2018)
Symphyotrichum chilense (MONT, MONTU; 6; 1922-2006)
Symphyotrichum ciliatum (HPSU, MONT, MONTU, RM, WTU; 42; 1885-2012)
Symphyotrichum ciliolatum (MONT, MONTU, OSC, RM, UBC, USFS, WTU; 44; 1884-2013)
Symphyotrichum drummondii (ID, MONTU; 5; 1980-2014)
Symphyotrichum ericoides (ID, IDE, LEA, MONT, MONTU, OSC, RM, UBC, USFS, WTU, WWB; 125; 1883-2016)
var. ericoides (ID, MONTU, RM, USFS, WTU; 13; 1921-2001)
var. pansum (ID, IDE, LEA, MONT, MONTU, OSC, RM, USFS, WTU, WWB; 62; 1883-2013)
Symphyotrichum falcatum (ID, MONT, MONTU, OSC, RM, SRP, UBC, USFS, WTU; 275; 1885-2014)
Symphyotrichum foliaceum (BOIS, CIC, ID, IDS, LEA, MONT, MONTU, OSC, PLU, RM, SRP, UBC, USFS, WCW, WTU, WWB; 399; 1892-2020)
var. cusickii (MONTU; 1; 1983)
var. parryi (MONTU, RM, USFS, WTU; 42; 1908-2013)
Symphyotrichum laeve (EWU, ID, MONT, MONTU, OSC, RM, SRP, UBC, USFS, WTU; 236; 1885-2018)
var. concinnum (MONT; 1; 1988)
var. geyeri (ID, MONT, MONTU, OSC, RM, SRP, UBC, USFS, WTU; 61; 1885-2013)
var. laeve (MONTU, RM; 40; 1886-2008)
Symphyotrichum lanceolatum (CIC, HPSU, ID, MONT, MONTU, OSC, RM, USFS, WTU; 111; 1887-2018)
var. hesperium (CIC, HPSU, ID, MONT, MONTU, OSC, RM, USFS, WTU; 105; 1887-2018)
Symphyotrichum lateriflorum (MONT; 1; 1912)
var. horizontale (MONT; 1; 1912)
Symphyotrichum molle (MONTU, RM, USFS; 4; 2001-2008)
Symphyotrichum novi-belgii (RM; 1; 1927)
Symphyotrichum oblongifolium (ID, MONT, MONTU, OSC, RM, USFS; 36; 1897-2019)
Symphyotrichum ontarionis (MONTU; 1; 2011)
Symphyotrichum patens (IDE; 1; 1964)
var. patens (IDE; 1; 1964)
Symphyotrichum racemosum (MONT; 1; 1997)
Symphyotrichum spathulatum (ID, LEA, MONT, MONTU, OSC, RM, UBC, USFS, WTU; 136; 1893-2013)
Symphyotrichum subspicatum (ID, MONT, MONTU, NY, RM, UBC, USFS, WTU; 32; 1897-2014)
Symphyotrichum subulatum (MONT; 1; 2000)
Symphyotrichum tenuifolium (MONT; 1; 1886)
var. aphyllum (MONT; 1; 1886)
Tanacetum balsamita (MONT, MONTU; 7; 1937-2001)
Tanacetum coccineum (MONTU, WTU; 2; 2014)
Tanacetum parthenium (ID, MONT, MONTU; 11; 1969-2009)
Tanacetum vulgare (ID, MONT, MONTU, OSC, RM, USFS, WTU; 70; 1931-2007)
Taraxacum ammophilum (MONT; 1; 1911)
Taraxacum ceratophorum (ID, MONT, MONTU, RM, USFS, WTU; 68; 1902-2008)
Taraxacum erythrospermum (ID, MONT, MONTU, RM, USFS, WTU; 173; 1892-2011)
Taraxacum kok-saghyz (MONT; 1; 1942)
Taraxacum latilobum (MONT, MONTU; 2; 1892)
Taraxacum officinale (ID, MONT, MONTU, RM, UBC, USFS, WCW, WTU; 189; 1888-2011)
Taraxacum scopulorum (ID, MONT, MONTU, RM, USFS, WTU; 40; 1945-2008)
Tephroseris integrifolia (MONTU; 1; 1936)
Tephroseris lindstroemii (ID, MONT, MONTU, OSC, RM, UBC, USFS, WTU; 39; 1908-2008)
Tephroseris palustris (MONT; 1; 1992)
Tetradymia canescens (CIC, HPSU, ID, MONT, MONTU, OSC, RM, SRP, UBC, USFS, WTU; 96; 1887-2013)
Tetradymia spinosa (MONT, MONTU, RM, USFS; 10; 1936-2007)
Tetraneuris acaulis (ID, IDS, LEA, MONT, MONTU, NY, RM, UBC, USFS, WTU; 270; 1881-2018)
var. acaulis (ID, IDS, MONT, MONTU, RM, UBC, USFS; 131; 1892-2018)
var. caespitosa (ID, MONTU, RM, USFS; 13; 2008-2009)
Tetraneuris herbacea (NY; 2; 1889)
Tetraneuris torreyana (ID, MONT, MONTU, RM, USFS; 26; 1973-2009)
Thelesperma megapotamicum (MONT, RM; 3; 1889-1995)
Thelesperma subnudum (ID, IDS, MONT, MONTU, RM, USFS, WTU; 52; 1890-2017)
Tonestus lyallii (ID, MONT, MONTU, RM, USFS, WTU; 104; 1908-2018)
Tonestus pygmaeus (MONTU; 1; 1895)
Townsendia condensata (MONT, MONTU, NY, WTU; 7; 1949-2014)
Townsendia exscapa (ID, MONT, MONTU, OSC, RM, WTU; 29; 1887-2011)
Townsendia florifer (MONTU, USFS; 4; 1924-1985)
Townsendia grandiflora (MONTU; 1; 1931)
Townsendia hookeri (ID, MONT, MONTU, OSC, RM, SRP, UBC, WS; 81; 1886-2011)
Townsendia incana (MONT, MONTU, RM; 15; 1976-2009)
Townsendia leptotes (RM; 1; 2009)
Townsendia montana (MONT, MONTU, RM, UBC, USFS, WS, WTU; 46; 1902-2009)
Townsendia parryi (BBLM, BOIS, CIC, ID, IDS, LEA, MONT, MONTU, OSC, RM, SRP, UBC, USFS, WS, WTU; 453; 1883-2018)
Townsendia spathulata (MONT, MONTU, RM, USFS; 23; 1984-2009)
Tragopogon dubius (MONT, MONTU, OSC, RM, UAAH, USFS, WTU; 399; 1924-2014)
Tragopogon porrifolius (MONT, MONTU, RM, USFS; 12; 1887-1951)
Tragopogon pratensis (MONT, MONTU, RM, USFS, WTU; 40; 1905-2014)
Triniteurybia aberrans (MONT, MONTU; 7; 1924-1990)
Tripleurospermum inodorum (ID, MONT, RM, WTU; 5; 1956-1986)
Tripleurospermum maritimum (ID, MONT, MONTU; 28; 1952-2000)
Troximon gracilens (MONT, WTU; 2; 1901-1928)
Troximon pubescens (MONT; 1; 1936)
Verbesina encelioides (MONT; 2; 1952)
Wyethia amplexicaulis (MONT, MONTU, OSC, RM, USFS, WTU; 28; 1897-2008)
Wyethia helianthoides (MONT, MONTU, OSC, RM, USFS, WTU; 30; 1889-2008)
Xanthisma grindelioides (MONT, MONTU, OSC, RM, UBC, USFS, WTU; 107; 1881-2014)
var. grindelioides (RM, USFS; 50; 1990-2011)
Xanthisma grindeloides (ID; 2; 1921-1954)
Xanthisma spinulosum (MONT, MONTU, OSC, RM, USFS; 59; 1888-2019)
var. spinulosum (RM, USFS; 24; 1900-2011)
Xanthium strumarium (ID, LEA, MONT, MONTU, RM, USFS, WTU; 127; 1885-2011)
Xylorhiza glabriuscula (ID, MONT, MONTU, RM; 25; 1954-2009)