PAGE 8
| DIPSACACEAE | ||
| Dipsacus fullonum | 1932(CA) | |
| Teasel | Dipsacus fullonum ssp. sylvestris | 1938(NY), no date(UT) |
| Scabiosa australis | 1938(NY) | |
| ASTERACEAE | ||
| Acamptopappus shockleyi | 1940(NV) | |
| Achyrachaena mollis | 1932(CA) | |
| Actinea acaulis | 1938(NV), 1942(ND) | |
| Actinea biennis | 1938(NV) | |
| Actinea canescens | 1925(AZ) | |
| Actinea cooperi | 1938(NV) | |
| Actinea linearifolia | 1937, 38(OK) | |
| Actinea scoposa | 1939(TX) | |
| Agoseris apargioides | 1930(CA) | |
| Agoseris cuspidata | 1938(OK) | |
| Agoseris glauca | 1942(ND) | |
| Agoseris grandiflora | 1933(CA) | |
| Agoseris heterophylla | 1932(CA) | |
| Agoseris plebeia | 1932(CA) | |
| Amblyopappus pusillus | 1939(CA) | |
| Anaphalis margaritacea | 1934(MI), 1937, 38, 43(AK) | |
| Aphanostephus pilosus | 1937, 39, 41(OK) | |
| Aphanostephus skirrobasis | 1939(OK,TX) | |
| Aplopappus acradenius | 1939(NV) | |
| Aplopappus bloomeri | 1938(OR), 1940(NV) | |
| Aplopappus ciliatus | 1936(OK) | |
| Aplopappus drummondii | 1937(TX) | |
| Aplopappus falcatus | 1927(WY) | |
| Aplopappus gracilis | 1941(AZ) | |
| Aplopappus heterophyllus | 1935(NM) | |
| Aplopappus lanceolatus | 1940(NV,OR), 1940, 43(MT) | |
| Aplopappus macronema | 1940(NV) | |
| Aplopappus nuttallii | 1943(MT) | |
| Aplopappus phyllocephalus | 1939(FL,TX) | |
| Aplopappus spinulosus | 1937, 41(OK), 1940(NV), 1943(MT) | |
| Aplopappus stenophyllus | 1938(NV) | |
| Aplopappus subviscosus | 1940(NV) | |
| Arnica angustifolia | 1941(AK) | |
| Arnica chamissonis | 1938, 42(AK) | |
| Arnica cordifolia | 1935(MT), 1937(CO) | |
| Arnica foliosa | 1939(NV) | |
| Arnica fulgens | 1942(ND) | |
| Arnica latifolia | 1940(AK) | |
| Arnica lessingii | 1943(AK) | |
| Arnica mollis | 1940(AK) | |
| Arnica obtusifolia | 1937(AK) | |
| Arnica sororia | 1942(MT) | |
| Arnica tomentosa | 1941(AK) | |
| Arnica unalaschensis | 1936(AK) | |
| Atrichoseris | 1940(NV) | |
| Balsamorrhiza hirsuta | 1940(NV) | |
| Balsamorrhiza sagittata | 1938(OR) | |
| Balsamorrhiza terebinthacea | 1938, 40(NV) | |
| Baeria chrysostoma | 1930(CA) | |
| Bahia dissecta | 1938(NV) | |
| Baileya multiradiata | 1938, 40(NV) | |
| Baileya perennis | 1940(NV) | |
| Baileya pleniradiata | 1938, 40(NV), 1940(NM) | |
| Bebbia juncea aspera | 1939(AZ) | |
| Berlandieria subacaulis | 1936(FL) | |
| Blepharipappus scaber | 1940(NV) | |
| Boltonia asteroides | 1926(WI), 1939(AL), 1950(MN), 1954(GA), 1957(OR) | |
| Borrichia arborescens | 1942(FL) | |
| Borrichia frutescens | 1937(TX), 1939(FL) | |
| Brickellia californica | 1935(NM) | |
| Brickellia microphylla | 1939(NV) | |
| Cacalia auriculata | 1936(AK) | |
| Cacalia suaveolens | 1928(MN) | |
| Calycoseris wrightii | 1939, 40(NV) | |
| Centromadia fitchii | 1930(CA) | |
| Centromadia pungens | 1932(CA) | |
| Chaenactis carphoclinia | 1938(NV) | |
| Chaenactis douglasii | 1927(WY), 1940(NV) | |
| Chaenactis stevioides | 1938, 39, 40(NV) | |
| Chaenolobus virgatus | 1936, 39(TX) | |
| Chaenolobus undulatus | 1928(FL) | |
| Chaetopappa asteroides | 1937, 38, 39(OK) | |
| Chaptalia tomentosa | 1927(FL) | |
| Chrysanthemum arcticum | 1936, 37, 40(AK) | |
| Chrysanthemum balsamita | 1934(MI) | |
| Chrysogonum virginianum | 1939, 41(VA) | |
| Chrysothamnus nauseosus | 1937(CO), 1939, 40(NV), 1940(MT) | |
| Chrysothamnus viscidiflorus | 1939, 40(NV), 1940(MT) | |
| Clappia suadefolia | 1939(TX) | |
| Corethrogyne filaginifolia | 1939(CA) | |
| Cotula coronopifolia | 1930(CA), 1936(WA) | |
| Crepis acuminata | 1940(ND) | |
| Crepis glauca | 1940(NV), 1943(MT) | |
| Crepis gracilis | 1937(CO) | |
| Crepis nana | 1941(AK) | |
| Crepis occidentalis | 1932(MT) | |
| Crepis runcinata | 1942(ND) | |
| Dyssodia papposa | 1941(IL) | |
| Dyssodia tagetoides | 1938(OK) | |
| Dyssodia thurberi | 1940(NV) | |
| Dyssodia wrightii | 1939(TX) | |
| Echinacea angustifolia | 1937(OK), 1941(ND) | |
| Emilia sonchifolia | 1928(FL) | |
| Encelia californica | 1939(CA) | |
| Encelia frutescens virginensis | 1940(NV) | |
| Enceliopsis argophylla | 1939(NV) | |
| Enceliopsis nudicaulis | 1940(NV) | |
| Endorina uniflora | 1980(FL) | |
| Engelmannia pinnatifida | 1937, 41(OK) | |
| Eriophyllum confertiflorum | 1933, 39(CA) | |
| Eriophyllum lanatum | 1940(NV) | |
| Eriophyllum nevinii | 1939(CA) | |
| Eriophyllum staechadifolium | 1930, 38(CA) | |
| Evax multicaulis | 1941(OK) | |
| Evax prolifera | 1941(OK) | |
| Filago californica | 1941(AZ) | |
| Flaveria campestris | 1957(NM) | |
| Flaveria chloraefolia | 1935(NM) | |
| Flaveria linearis | 1939, 48(FL) | |
| Gaillardia aristata | 1932(MT), 1942(ND) | |
| Gaillardia lanceolata | 1939(TX) | |
| Gaillardia pinnatifida | 1938, 40(NV) | |
| Gaillardia pulchella | 1937(OK) | |
| Gaillardia suavis | 1937, 42(OK) | |
| Garberia fruticosa | 1936(FL) | |
| Gnaphalium bicolor | 1930(CA) | |
| Gnaphalium chilense | 1930(CA) | |
| Gnaphalium decurrens | 1932(CA) | |
| Gnaphalium palustre | 1938(OR), 1939, 40(NV), 1943(MT) | |
| Gnaphalium ramosissimum | 1932(CA) | |
| Gnaphalium spathulatum | 1927(FL) | |
| Gnaphalium wrightii | 1941(OK) | |
| Gutierrezia dracunculoides | 1937, 38(OK), 1957(KS) | |
| Gutierrezia sarothrae | 1932(MT), 1937(CO), 1938(NV) | |
| Gutierrezia texana | 1939(TX) | |
| Helianthella uniflora | 1931(MT), 1941(WY) | |
| Heliopsis scabra | 1934(IN), 1940(MN) | |
| Hemizonia clementina | 1939(CA) | |
| Hemizonia congesta | 1932(CA) | |
| Hemizonia corymbosa | 1938(CA) | |
| Hemizonia fasciculata | 1930(CA) | |
| Heterotheca latifolia | 1958(MD) | |
| Heterotheca subaxillaris | 1937, 40(TX), 1941(MD), 1959(KS) | |
| Hymenopappus corymbosis | 1940(TX) | |
| Hymenopappus filifolius | 1938(NV), 1942(ND) | |
| Hymenopappus lugens | 1938(NV) | |
| Hymenopappus robustus | 1940(NM) | |
| Hymenopappus scabioseus | 1937, 42(OK) | |
| Hymenopappus tenuifolius | 1937(OK) | |
| Inula helenium | 1962(NY) | |
| Isocoma heterophylla | 1940(NM) | |
| Isocoma veneta | 1930(CA) | |
| Jaumea carnosa | 1939, 50(WA) | |
| Keerlia bellidifolia | 1943(TX) | |
| Kuhnia eupatorioides | 1927(IA), 1938(OK) | |
| Kuhnia glutinosa | 1939(OK) | |
| Lagophylla ramosissima | 1932(CA) | |
| Lapsana communis | 1962(NY) | |
| Layia glandulosa | 1940(NV), 1941(AZ) | |
| Layia platyglossa | 1933, 39(CA) | |
| Lygodesmia aphylla | 1928(FL) | |
| Lygodesmia juncea | 1932(MT), 1938(NE) | |
| Lygodesmia rostrata | 1938(NE) | |
| Lygodesmia spinosa | 1939(NV) | |
| Lygodesmia texana | 1941(OK) | |
| Madia elegans | 1932(CA) | |
| Madia glomerata | 1957(OR) | |
| Madia madioides | 1933(CA) | |
| Matricaria grandiflora | 1944(CD) | |
| Matricaria matricarioides | 1940(AK) | |
| Matricaria suaveolens | 1930, 32(CA) | |
| Melampodium leucanthum | 1940(NM,TX)) | |
| Melanthera hastata | 1948(GA) | |
| Micropus californicus | 1932(CA) | |
| Malacothrix clevelandii | 1941(AZ) | |
| Malacothrix fendleri | 1941(AZ) | |
| Malacothrix glabrata | 1941(AZ) | |
| Malacothrix torreyi | 1940(NV) | |
| Microseris douglasii | 1933(CA) | |
| Microseris linearifolia | 1941(AZ) | |
| Microseris nutans | 1940(OR) | |
| Microseris troximoides | 1938(NV), 1941(OR) | |
| Monoptilon bellioides | 1939(CA) | |
| Monoptilon bellidiforme | 1940(NV) | |
| Nemoseris neomexicana | 1941(AZ) | |
| Othake roseum | 1938(OK) | |
| Othake sphacelatum | 1940(NM) | |
| Othake texanum | 1937(OK) | |
| Parthenium hysterophorus | 1938(LA), 1939(TX) | |
| Parthenium incanum | 1940(NM) | |
| Parthenium integrifolium | 1930(MO), 1940(KY) | |
| Pectis linearifolia | 1948(FL) | |
| Pectis papposa | 1939(AZ) | |
| Perezia nana | 1935(NM) | |
| Perezia runcinata | 1937(TX) | |
| Petasites sp. | 1943(AK) | |
| Petasites frigidus | 1936, 40(AK) | |
| Petasites palmatus | 1940(MN) | |
| Petasites sagittatus | 1944(CD) | |
| Picris echioides | 1930(CA) | |
| Picris hieracioides | 1952(NY) | |
| Polymnia uvedalia | 1952(VA) | |
| Porophyllum gracile | 1945(CA) | |
| Psathyrotes annua | 1939(NV) | |
| Psathyrotes ramosissima | 1939(AZ) | |
| Pseudoclappia arenaria | 1939(NM) | |
| Psilocarphus oreganus | 1930(CA) | |
| Pyrrhopappus carolinianus | 1941(OK), 1946(MS), 1955, 70(FL) | |
| Pyrrhopappus grandiflorus | 1932, 37(OK) | |
| Ratibida columnifera | 1939, 66(TX), 1942(OK) | |
| Ratibida pinnata | 1941, 63(MN) | |
| Ratibida tagetes | 1939(TX) | |
| Saussurea monticola | 1940, 41(AK) | |
| Scleropsis uniflora | 1954(FL) | |
| Selloa glutinosa | 1958(TX) | |
| Serinea oppositifolia | 1939(OK) | |
| Silphium asperrimum | 1938(OK) | |
| Silphium compositum | 1939(SC) | |
| Silphium gracile | 1938(LA) | |
| Silphium integrifolium | 1930(IA) | |
| Silphium laciniatum | 1939(OK), 1941(MN) | |
| Silphium terebinthinaceum | 1934(IL) | |
| Silphium trifoliatum | 1940(KY) | |
| Silybum marianum | 1932(CA) | |
| Spilanthes americana | 1934(TN), 1952(SC) | |
| Stephanomeria tenuifolia | 1939(NV) | |
| Tagetes minuta | 1940(SC) | |
| Tanacetum huronense | 1930(Newfoundland), 1934(MI) | |
| Tanacetum vulgare | 1934(IN), 1940(MN) | |
| Tetradymia axillaris | 1939(NV) | |
| Tetradymia canescens | 1938, 39, 40(NV), 1940(CA,,MT) | |
| Tetradymia comosa tetrameres | 1940(NV) | |
| Tetradymia glabrata | 1939, 40(NV) | |
| Tetradymia inermis | 1927(WY) | |
| Tetradymia spinosa | 1932(MT) | |
| Thelesperma megapotamicum | 1941(OK) | |
| Thelesperma subnudum | 1940(NV) | |
| Thelesperma trifidum | 1937, 38(OK) | |
| Thurovia triflora | 1939(TX) | |
| Townsendia exscapa | 1938(OK) | |
| Townsendia parryi | 1932(MT), 1941(WY) | |
| Trichocoronis wrightii | 1966(TX) | |
| Trichoptilium incisum | 1939(AZ) | |
| Trilisa odoratissima | 1958(FL), 1959(GA) | |
| Trilisa paniculata | 1958(SC) | |
| Trixis radialis | 1937(TX) | |
| Wyethia amplexicaulis | 1942(WY) | |
| Wyethia angustifolia | 1930(CA) | |
| Wyethia glabra | 1932(CA) | |
| Wyethia helenioides | 1930(CA) | |
| Xanthisma texanum | 1937(OK), 1939(TX) | |
| Zinnia grandiflora | 1940(AZ) | |
| Zinnia pumila | 1940, 41(AZ) | |
| Dicoria canescens | 1939(NV), 1945(AZ) | |
| Franseria bipinnatifida | 1936(WA), 1938(CA) | |
| Franseria dumosa | 1939(AZ), 1940(NV) | |
| Franseria eriocentra | 1938(NV) | |
| Hymenoclea fasciculata | 1940(NV) | |
| Hymenoclea salsola | 1945(CA) | |
| Iva axillaris | 1929(ID), 1938(OR), 1939(NV) | |
| Iva ciliata | 1938(OK) | |
| Iva frutescens | 1929(NC), 1935, 78(MD), 1939(FL) | |
| Iva imbricata | 1932(VA), 1949(NC) | |
| Helianthus agrestis | 1948(FL) | |
| Helianthus annuus | 1936, 40(OK), 1939(TX) | |
| Helianthus argophyllus | 1939(TX) | |
| Helianthus debilis | 1950(FL) | |
| Helianthus divaricatus | 1939(KY) | |
| Helianthus grosseserratus | 1943(MT) | |
| Helianthus hirsutus | 1940(OK) | |
| Helianthus maximiliani | 1938(OK) | |
| Helianthus nuttallii | 1940(NV) | |
| Helianthus pumilis | 1934(CO) | |
| Helianthus subrhomboideus | 1940(OK) | |
| Forest sunflower | Helianthus decapetalus | 1942, 44(MD) |
| Jerusalem-artichoke | Helianthus tuberosus | 1925(MD) |
| Swamp sunflower | Helianthus giganteus | 1937(MD), 1942(ND) |
| Narrow-leaved sunflower | Helianthus angustifolius | 1938, 44(MD), 1965(DE) |
| Rudbeckia amplexicaulis | 1966(LA) | |
| Rudbeckia foridana | 1939(TX) | |
| Rudbeckia fulgida | 1925(MD) | |
| Black-eyed Susan | Rudbeckia hirta | 1934(MI), 1938(NE), 1941(MD) |
| Cutleaf coneflower | Rudbeckia laciniata | 1937(MD) |
| Rudbeckia occidentalis | 1957(ID) | |
| Common sneezeweed | Helenium autumnale | 1927(IA), 1938(MD), 1939(ID) |
| Helenium badium | 1938(OK) | |
| Helenium denticulatum | 1950(FL) | |
| Helenium microcephalum | 1939(TX) | |
| Helenium pinnatifolium | 1954(GA) | |
| Helenium puberulum | 1932(CA) | |
| Helenium tenuifolium | 1933, 51(NC), 1934(TX) | |
| Southern sneezeweed | Helenium flexuosum | 1937, 38(MD), 1939(AL) |
| Verbesina encelioides | 1939(TX), 1941(AZ) | |
| Verbesina virginica | 1937(TX), 1942(OK) | |
| Wingstem | Verbesina alternifolia | 1938(MD) |
| Yerba-de-tajo | Eclipta prostrata | 1933(VA), 1934(IA), 1937(MD), 1939(OK,AL) |
| Coreopsis atkinsoniana | 1943(MT) | |
| Coreopsis basalis | 1940(TX) | |
| Coreopsis grandiflora | 1937(OK) | |
| Coreopsis lanceolata | 1934(MI) | |
| Coreopsis leavenworthii var. lewtonii | 1955(FL) | |
| Coreopsis major | 1946(MS) | |
| Coreopsis nudata | 1938(LA), 1954(GA) | |
| Coreopsis palmata | 1941(MN) | |
| Coreopsis tinctoria | 1927(WI), 1938(OK) | |
| Coreopsis tripteris | 1940(KY) | |
| Thread-leafed tickseed | Coreopsis verticillata | 1926, 37(MD) |
| Bidens beckii | 1925(MI), 1928, 63(NY), 1930(MN), 1964(VT) | |
| Bidens cernua | 1923, 27(MN), 1929(OK,WI), 1932, 33(VA), 1938(NE), 1939, 40(NV), 1939(AL), 1957(OR) | |
| Bidens comosa | 1928(WI), 1929(IL), 1939(AL) | |
| Bidens mitis | 1927(FL) | |
| Bidens pilosa | 1927(FL) | |
| Swamp beggar-ticks | Bidens connata | 1933(VA), 1937, 45(MD) |
| Few bracted beggar-ticks | Bidens discoidea | 1929(KY), 1961(MD) |
| Common beggar-ticks | Bidens frondosa | 1929(MN), 1933(VA), 1937(MD), 1939(OK) |
| Tall beggar-ticks | Bidens vulgata | 1929(MN,IL), 1937(MD) |
| Spanish-needles | Bidens bipinnata | 1934(IN), 1937(MD) |
| Northern tickseed-sunflower | Bidens coronata | 1932(WI), ,1951, 62(MD), 1963(DE) |
| Sunflower beggar-ticks | Bidens aristosa | 1933(VA), 1934(IL), 1938, 44(MD) |
| Ozark tickseed-sunflower | Bidens polylepis | 1933(VA), 1934(IA), 1940(MD) |
| Quickweed | Galinsoga quadriradiata | 1937(MD) |
| Ambrosia aptera | 1938(OK) | |
| Common Ragweed | Ambrosia artemisiifolia | 1937(MD), 1938(NE), 1941(OK) |
| Ambrosia bidentata | 1934(IL,AR) | |
| Ambrosia psilostachys | 1938(OK), 1939(TX) | |
| Giant ragweed | Ambrosia trifida | 1934(IN), 1937(MD) |
| Xanthium pungens | 1937(MD) | |
| Xanthium spinosum | 1932(CA) | |
| Canada Cocklebur | Xanthium strumarium var. canadense | 1942(MD) |
| Corn chamomile | Anthemis arvensis | 1937, 38(MD) |
| Mayweed | Anthemis cotula | 1938(MD) |
| Anthemis tinctoria | 1930(IA) | |
| Achillea sp. | 1943(AK) | |
| Achillea borealis | 1936, 37, 40(AK) | |
| Achillea lanulosa | 1932, 40(MT), 1937(OK,CO), 1939(AK), 1940(NV) | |
| Yarrow | Achillea millefolium | 1926(MD) |
| Artemisia arbuscula | 1939, 40(NV) | |
| Artemisia arctica | 1936, 37, 40, 41, 43(AK) | |
| Artemisia biennis | 1939(NV), 1955(ND) | |
| Artemisia borealis | 1941(AK) | |
| Artemisia californica | 1939(CA) | |
| Artemisia cana | 1932, 34, 40(MT), 1937(UT), 1939(NV), 1942(ND) | |
| Artemisia canadensis | 1940(AK) | |
| Artemisia carruthii | 1939(TX) | |
| Artemisia caudata | 1938(WI), 1940(MN) | |
| Artemisia douglasiana | 1939(NV) | |
| Artemisia dracunculoides | 1940(MT), 1941(OK) | |
| Artemisia filifolia | 1940(NM) | |
| Artemisia frigida | 1931, 40(MT), 1938(NE) | |
| Artemisia globularia | 1941(AK) | |
| Artemisia gnaphalodes | 1927(WY), 1938(ND), 1940(NV,MT) | |
| Artemisia heterophylla | 1941(AK) | |
| Artemisia ludoviciana | 1927(UT), 1940(NV) | |
| Artemisia mexicana | 1925(AZ) | |
| Artemisia michauxiana | 1940(NV) | |
| Artemisia pattersoni | 1941(CO) | |
| Artemisia scopulorum | 1937(CO) | |
| Artemisia serrata | 1928(WI) | |
| Artemisia spinescens | 1938(NV) | |
| Artemisia tilesii | 1936, 37, 40(AK) | |
| Artemisia tridentata | 1927(WY), 1937(UT), 1939, 40(NV), 1940(MT), 1957(CA) | |
| Artemisia tripartita | 1932, 40(MT), 1940(WY) | |
| Mugwort | Artemisia vulgaris | 1932(CA), 1960(NY) |
| Artemisia wrightii | 1938, 40(OK) | |
| Appalachian groundsel | Senecio anonymus | 1938, 46(MD), 1954(NC) |
| Heart-leaved groundsel | Senecio aureus | 1937(MD,VA) |
| Senecio balsamitae | 1930(Newfoundland), 1934(MI) | |
| Senecio californicus | 1930(CA) | |
| Senecio canus | 1942(ND) | |
| Senecio congestus | 1923, 24(MN), 1940(AK), 1965(CD) | |
| Senecio cymbalarioides | 1942(WY) | |
| Senecio fendleri | 1934, 37(CO) | |
| Senecio frigidus | 1941(AK) | |
| Senecio glabellus | 1928, 50(FL), 1938(TX) | |
| Senecio holmii | 1941(WY) | |
| Senecio howellii | 1938(OR) | |
| Senecio hydrophilus | 1940(NV) | |
| Senecio hyperborealis | 1941(AK) | |
| Senecio integerrimus | 1938(NV) | |
| Senecio longilobus | 1940(NM) | |
| Senecio lugens | 1940, 41(AK) | |
| Senecio obovatus | 1937, 38(VA) | |
| Senecio pacificus | 1940(MT) | |
| Senecio palmatus | 1936, 43(AK) | |
| Senecio pauciflorus | 1940(AK) | |
| Senecio pauperculus | 1944(CD) | |
| Senecio plattensis | 1937, 38(OK) | |
| Senecio pseudo-arnica | 1936, 37(AK) | |
| Senecio purshianus | 1940(NV) | |
| Senecio serra | 1939(NV) | |
| Senecio spartioides | 1937(CO), 1939(NV) | |
| Senecio stygius | 1940(NV) | |
| Senecio tomentosus | 1933(VA), 1935(DE) | |
| Senecio triangularis | 1940(AK) | |
| Senecio uintahensis | 1938(NV) | |
| Senecio vulgaris | 1930(CA) | |
| Fireweed | Erechtites hieraciifolia | 1937(MD) |
| Coltsfoot | Tussilago farfara | 1938(NY), 1960(OH) |
| Chrysopsis berlandieri | 1939(OK) | |
| Chrysopsis graminifolia | 1928(FL), 1932(VA) | |
| Chrysopsis hispida | 1941(OK) | |
| Golden-aster | Chrysopsis mariana | 1926, 37(MD) |
| Chrysopsis stenophylla | 1937, 38(OK) | |
| Chrysopsis trichophylla | 1955, 58(FL) | |
| Chrysopsis villosa | 1932, 43(MT) | |
| Grindelia rubricaulis | 1939(CA) | |
| Grindelia stricta | 1950(WA) | |
| Gum-plant | Grindelia squarrosa | 1941(Patuxent Collection), 1975(ND) |
| Solidago boottii | 1938, 41(OK) | |
| Solidago elongata | 1940(OR,MT) | |
| Solidago fistulosa | 1950(NC) | |
| Solidago flexicaulis | 1938(WI) | |
| Solidago lepida | 1936, 38(AK) | |
| Solidago lindheimeriana | 1941(OK) | |
| Solidago microcephala | 1950(NC) | |
| Solidago missouriensis | 1937, 41(OK), 1940(MT) | |
| Solidago mollis | 1943(MT) | |
| Solidago multiradiata | 1936, 40, 42(AK) | |
| Solidago nana | 1940(NV) | |
| Solidago nitida | 1939(TX) | |
| Solidago occidentalis | 1940(OR) | |
| Solidago pauciflosculosa | 1958(FL) | |
| Solidago petradoria | 1940(NV) | |
| Solidago sempervirens | 1935(DE), 1935, 78(MD), 1939(FL) | |
| Solidago serotina | 1938(NE), 1940(MN), 1942(ND) | |
| Solidago spectabilis | 1939, 40(NV) | |
| Solidago tenuifolia | 1951(NC), 1965(DE,ME) | |
| Solidago trinervata | 1938(NV) | |
| Downy goldenrod | Solidago puberula | 1937, 41(MD) |
| White goldenrod | Solidago bicolor | 1937(MD) |
| Solidago speciosa var. erecta | 1941(MD) | |
| Swamp goldenrod | Solidago latissimifolia | 1942(Patuxent Collection) |
| Woodland goldenrod | Solidago caesia | 1937(MD), 1940(KY) |
| Dwarf goldenrod | Solidago nemoralis | 1937, 41(MD), 1978(CD) |
| Early goldenrod | Solidago juncea | 1937, 41, 45(MD) |
| Sweet goldenrod | Solidago odora | 1937(AL), 1941(MD) |
| Rough goldenrod | Solidago rugosa | 1926, 37, 41(MD), 1934(MI) |
| Giant goldenrod | Solidago gigantea | 1941(OK), 1944(MD) |
| Tall goldenrod | Solidago canadensis | 1934(MI), 1940(MN) |
| Solidago canadensis var. scabra | 1937(MD), 1938(NE), 1940(NV) | |
| Flat-top goldenrod | Euthamia graminifolia | 1923(WI), 1925, 37(MD), 1940(KY) |
| Aster sp. | 1937(VA) | |
| Aster abatus | 1938, 40(NV) | |
| Aster acuminatus | 1938(ME) | |
| Aster brachyactis | 1932(ND), 1938(NY) | |
| Aster adscendens | 1939, 40(NV), 1940(MT) | |
| Aster angustus | no date(UT) | |
| Aster campestris | 1940(MT) | |
| Aster canescens | 1942(MT) | |
| Aster carolinianus | 1950(FL) | |
| Aster cichoriaceus | 1937(CO) | |
| Aster commutatus | 1940(MT) | |
| Aster concolor | 1949(MD) | |
| Aster elliottii | 1958(GA) | |
| Aster ericoides | 1941(OK) | |
| Aster exilis | 1941(OK) | |
| Aster fendleri | 1938(OK) | |
| Aster foliaceus | 1938, 43(AK), 1938(OR) | |
| Aster frondosus | 1939(NV) | |
| Aster gracilis | 1951(MD) | |
| Aster haydeni | 1941(WY) | |
| Aster hirtifolius | 1940(NV), 1941(AZ) | |
| Aster junceus | 1929(MN) | |
| Aster junciformis | 1943(MT) | |
| Aster laevis | 1934(MT), 1943(MT), 1978(CD) | |
| Aster leucanthemifolius | 1938, 39, 40(NV), 1939(ID) | |
| Aster macrophyllus | 1934(MI) | |
| Aster nemoralis | 1965(CD) | |
| Aster novi-belgii | 1965(CD) | |
| Aster oblongifolius | 1938(OK) | |
| Aster pauciflorus | 1938(UT) | |
| Aster ptarmicoides | 1927(MN) | |
| Aster reticulatus | 1928(FL), 1954(SC) | |
| Aster scopulorum | 1938(OR), 1940(NV) | |
| Aster shortii | 1940(KY) | |
| Aster sibiricus | 1940, 41(AK) | |
| Aster spinosus | 1937, 39(TX) | |
| Aster subspicatus | 1942(AK) | |
| Aster subulatus | 1935(DE), 1949(MD) | |
| Aster tanacetifolius | 1940(NM) | |
| Aster tenuifolius | 1937(LA), 1949, 76, 78(MD) | |
| Aster tephrodes | 1939(NV) | |
| Aster tradescanti | 1928(WI) | |
| Bristly aster | Aster puniceus | 1934(MI), 1937, 42(MD) |
| White panicle aster | Aster lanceolatus ssp. lanceolatus | 1937, 42, 45(MD) |
| Goblet aster | Aster lateriflorus | 1940(MI), 1942(MD) |
| Aster lateriflorus var. lateriflorus | 1937, 42(MD), 1937(AR), 1939(AL) | |
| Long stalked aster | Aster dumosus | 1937, 45(MD) |
| Awl aster | Aster pilosus | 1938(OK), 1940(KY), 1942(MD) |
| Clasping heart-leaved aster | Aster undulatus | 1937(MD) |
| Clasping aster | Aster patens | 1941(OK), 1945, 46(MS) |
| Wood aster | Aster divaricatus | 1937, 44, 49(MD) |
| Erigeron acris | 1940(AK) | |
| Erigeron asperugineus | 1925(AZ), 1938(NV) | |
| Erigeron bloomeri | 1940(NV) | |
| Erigeron compositus var. multifidus | 1941(WY) | |
| Erigeron concinnus | 1938, 39, 40(NV) | |
| Erigeron conspicuus | 1932(MT) | |
| Erigeron divergens | 1941(AZ) | |
| Erigeron eatoni | 1938(UT) | |
| Erigeron flagellaris | 1925(AZ) | |
| Erigeron glabellus | 1942(ND) | |
| Erigeron glaucus | 1930, 38(CA) | |
| Erigeron hyssopifolius | 1944(CD) | |
| Erigeron linearis | 1940(NV) | |
| Erigeron linifolius | 1937(AL) | |
| Erigeron lonchophyllus | 1940(AK) | |
| Erigeron peregrinus | 1936, 37, 40(AK) | |
| Erigeron | ||
| Philadelphia fleabane | Erigeron philadelphicus | 1940(MN,KY) |
| Erigeron pinnatisectus | 1941(CO) | |
| Erigeron pulchellus | 1941(VA) | |
| Erigeron pumilus | 1942(ND) | |
| Erigeron purpuratus | 1941(AK) | |
| Erigeron quercifolius | 1970(FL) | |
| Erigeron repens | 1939(TX) | |
| Erigeron salsuginosus | 1938(UT) | |
| Erigeron simplex | 1941(WY) | |
| Rough fleabane | Erigeron strigosus | 1937, 39(OK) |
| Erigeron strigosus var. strigosus | 1934(MI), 1937(MD) | |
| Erigeron subtrinervis | 1934(SD) | |
| Erigeron vernus | 1950(FL) | |
| Annual fleabane | Erigeron annuus | 1937(MD) |
| Horseweed | Conyza canadensis var. canadensis | 1934(MI), 1937(MD), 1939(NV,OK) |
| Baccharis angustifolia | 1935(NC), 1939(FL) | |
| Baccharis dioica | 1939(FL) | |
| Baccharis emoryi | 1939(NV) | |
| Baccharis glutinosa | 1930(CA), 1939(TX) | |
| Groundsel-tree | Baccharis halimifolia | 1929, 35(NC), 1930, 35(MD), 1958(MS,FL) |
| Baccharis neglecta | 1939(TX) | |
| Baccharis pilularis | 1930, 32(CA) | |
| Baccharis salicina | 1938, 41(OK) | |
| Pluchea foetida | 1932(FL), 1939(TX), 1948(NC), 1961(MD) | |
| Pluchea petiolata | 1937(AR) | |
| Pluchea purpurescens | 1935(DE), 1938(OK), 1939(TX), 1950(NC) | |
| Pluchea sericea | 1939(NV), 1945, 50(CA) | |
| Antennaria sp. | 1927(VA) | |
| Antennaria alaskana | 1941(AK) | |
| Antennaria anaphaloides | 1937(CO) | |
| Antennaria aprica | 1942(ND) | |
| Antennaria canadensis | 1940(MN) | |
| Antennaria corymbosa | 1938(UT) | |
| Antennaria dioica | 1930(Newfoundland), 1936, 37(AK), 1938(NV) | |
| Antennaria eucosma | 1930(Newfoundland) | |
| Antennaria fallax | 1938, 39(OK) | |
| Antennaria luzuloides | 1937(WY) | |
| Antennaria microphylla | 1932(MT), 1941(ND) | |
| Antennaria monocephala | 1936, 40, 41(AK) | |
| Antennaria pallida | 1940(AK) | |
| Antennaria parvifolia | 1927(WY) | |
| Antennaria pulcherrima | 1944(CD) | |
| Antennaria rosea | 1925(AZ), 1938(NV), 1940(AK) | |
| Antennaria rosulata | 1925(AZ) | |
| Antennaria solitaria | 1968(MD) | |
| Field pussytoes | Antennaria neglecta | 1937, 38(MD) |
| Plantain pussytoes | Antennaria plantaginifolia | 1943(Patuxent Collection) |
| Howell's pussytoes | Antennaria howellii | 1937(MD) |
| Parlin's pussytoes | Antennaria parlinii | 1937(MD) |
| Eupatorium altissimum | 1928(IA), 1941(IL) | |
| Eupatorium azureum | 1938(TX) | |
| Eupatorium betonicifolium | 1939(TX) | |
| Eupatorium capillifolium | 1925(NC) | |
| Eupatorium compositifolium | 1945(MS) | |
| Eupatorium conyzoides | 1932(FL) | |
| Eupatorium dubium | 1923, 58(MD) | |
| Eupatorium fistulosum | 1925, 37, 58(MD) | |
| Eupatorium mikanioides | 1933(FL) | |
| Eupatorium occidentale | 1940(NV) | |
| Eupatorium semiserratum | 1939(TX) | |
| Eupatorium sessilifolium | 1927(WI) | |
| Eupatorium urticaefolium | 1937(WI) | |
| Joe-Pye weed | Eupatorium maculatum | 1923(MN), 1934(MI) |
| Mist-flower | Eupatorium coelestinum | 1937(MD,AR) |
| Late eupatorium | Eupatorium serotinum | 1934(IN), 1937(AR), 1938(OK), 1947(MD) |
| Boneset | Eupatorium perfoliatum | 1923(MN), 1934(MI), 1937(MD), 1939(AL) |
| White-bracted eupatorium | Eupatorium album | 1937, 41(MD) |
| Round-leaved eupatorium | Eupatorium rotundifolium | 1937, 41(MD), 1941(DE) |
| Ragged eupatorium | Eupatorium pilosum | 1937(MD) |
| Hyssop-leaved eupatorium | Eupatorium hyssopifolium | 1937, 41(MD) |
| Eupatorium hyssopifolium var. hyssopifolium | 1925, 26, 37(MD) | |
| Climbing hempweed | Mikania scandens | 1926, 37(MD), 1939(TX), 1940(KY) |
| Liatris glabrata | 1938(NE) | |
| Liatris gracilis | 1958(FL) | |
| Liatris punctata | 1938(OK) | |
| Liatris pycnostachya | 1934(IL), 1941, 63(MN) | |
| Liatris scariosa | 1927(WI), 1939(OK), 1963(MN) | |
| Liatris squarrosa | 1939(KY), 1947(VA) | |
| Blazing-star | Liatris pilosa var. pilosa | 1937(MD), 1965(DE) |
| Vernonia sp. | 1933(VA) | |
| Vernonia altissima | 1937(AR) | |
| Vernonia angustifolia | 1937(AL), 1939(SC) | |
| Vernonia baldwinii | 1937, 41(OK) | |
| Vernonia corymbosa | 1937(ND) | |
| Vernonia fasciculata | 1923(WI) | |
| New York ironweed | Vernonia noveboracensis | 1937, 44(MD) |
| Broadleaf ironweed | Vernonia glauca | 1945(MD) |
| Elephants-foot | Elephantopus carolinianus | 1937(MD) |
| Common burdock | Arctium minus | 1937(MD) |
| Cirsium altissimum | 1927(WI) | |
| Cirsium drummondii | 1940(NV) | |
| Cirsium englemannii | 1932(MT) | |
| Cirsium kamtschaticum | 1943(AK) | |
| Cirsium megacephalum | 1938(OK) | |
| Cirsium muticum | 1923(MN), 1934, 56(MI) | |
| Cirsium neomexicanum | 1941(AZ) | |
| Cirsium nidulum | 1938(NV) | |
| Cirsium occidentale | 1930, 39(CA), 1940(OR) | |
| Cirsium ochrocentrum | 1937, 41(OK) | |
| Cirsium pitcheri | 1934(MI) | |
| Cirsium undulatum | 1942(OK) | |
| Field thistle | Cirsium discolor | 1925, 26, 44(MD) |
| Bull thistle | Cirsium vulgare | 1934(MI), 1937, 45(MD) |
| Canada thistle | Cirsium arvense | 1934(MI), 1936(AK) |
| Centaurea americana | 1938(OK), 1939(TX) | |
| Cornflower | Centaurea cyanus | 1945(MD) |
| Centaurea maculosa | 1937(MD), 1962(PA) | |
| Centaurea melitensis | 1932(CA) | |
| Yellow star-thistle | Centaurea solstitialis | 1964(MD) |
| Prenanthes alata | 1938, 42(AK) | |
| Prenanthes alba | 1934, 40(MI) | |
| Prenanthes racemosa | 1933(IA) | |
| Lions foot | Prenanthes serpentaria | 1937, 38(MD) |
| Tall rattlesnake root | Prenanthes altissima | 1937(VA), 1940(KY) |
| Lactuca graminifolia | 1955(FL) | |
| Lactuca pulchella | 1932(MT) | |
| Lactuca sagittifolia | 1934(MI) | |
| Canada lettuce | Lactuca canadensis | 1934(MI), 1938(OK) |
| Woodland lettuce | Lactuca floridana | 1937(MD) |
| Tall blue lettuce | Lactuca biennis | 1945(MD) |
| Latuea serriola prickly lettuce | Lactuca serriola | 1938(MD), 1938, 41(OK), 1939(NV) |
| Sonchus arvensis var. glabrescens | 1940(MT) | |
| Prickly sow-thistle | Sonchus asper | 1932(CA) |
| Sonchus oleraceus | 1939(CA) | |
| Hieracium albiflorum | 1932(CA) | |
| Hieracium canadense | 1927(IA) | |
| Hieracium greenei | 1941(VA) | |
| Hieracium longipilum | 1938(OK) | |
| Hieracium megacephalon | 1928(FL) | |
| Hieracium pilosells | 1945(PA) | |
| Hieracium scouleri | 1938(OR) | |
| Hieracium triste | 1936(AK) | |
| Yellow King-devil | Hieracium caespitosum | 1962(MD) |
| Devils-paintbrush | Hieracium aurantiacum | 1934(MI), 1938(NY) |
| Veiny hawkweed | Hieracium venosum | 1934(MI), 1937(MD), 1938(VA) |
| Panicled hawkweed | Hieracium paniculatum | 1937, 45(MD) |
| Beaked hawkweed | Hieracium gronovii | 1937, 42(MD), 1940(KY) |
| Sticky hawkweed | Hieracium scabrum | 1934(MI), 1937(MD) |
| Krigia biflora | 1940(KY) | |
| Krigia dandelion | 1938(VA) | |
| Virginia dandelion | Krigia virginica | 1934(MI), 1937(MD) |
| Taraxacum ceratophorum | 1944(CD) | |
| Taraxacum kamtchaticum | 1939(AK) | |
| Red-seeded dandelion | Taraxacum erythrospermum | 1937(MD) |
| Common dandelion | Taraxacum officinale | 1938(MD) |
| Skeleton-weed | Chondrilla juncea | 1946(MD) |
| Chicory | Cichorium intybus | 1937(MD) |
| Hypochaeris glabra | 1933(CA) | |
| Spotted cats-ear | Hypochaeris radicata | 1942(Patuxent Collection) |
| Little hawkbit | Leontodon taraxacoides | 1942(Patuxent Collection) |
| Fistulous goats beard | Tragopogon dubius | 1932(MT) |
| Small-leaved white snakeroot | Ageratina aromatica | 1937(MD) |
| Sweet everlasting | Pseudognaphalium obtusifolium | 1937(MD), 1940(KY) |
| Appalachian flat-topped white aster | Doellingeria infirma | 1946(MS) |
| Flat-top aster | Doellingeria umbellata | 1938(MD), 1940(MN) |
| Stiff aster | Ionactis linariifolius | 1937(MD), 1958(FL) |
| Broadleaf Sericocarpus | Sericocarpus asteroides | 1933, 37(MD) |
| Narrowleaf Sericocarpus | Sericocarpus linifolius | 1937(MD), 1940(KY) |
| Purple cudweed | Gamochaeta purpurea | 1937(MD), 1939(AL) |
| Ox-eye daisy | Leucanthemum vulgare | 1926, 37(MD), 1938(VA), 1962(CD) |
| Pale indian-plantain | Arnoglossum atriplicifolium | 1937(MD) |
