Perennial sowthistle

S Spikeweed Centromadia pungens S Spiny chloracantha Chloracantha spinosa S Skeleton weed Chondrilla juncea S Siam weed Chromolaena odorata A Austrian chamomile Cota austriaca C Common brassbuttons Cotula australis B Buttonweed Cotula coronopifolia F Fireweed Crassocephalum crepidioides L Little ironweed Cyanthillium cinereum T Triumfetti's cornflower Cyanus triumfettii C Clustered tarweed Deinandra fasciculata K Kellogg's tarweed Deinandra kelloggii S Stinkwort Dittrichia graveolens E Emilia sonchifolia Emilia sonchifolia F Fireweed Erechtites E Erechtites arguta Erechtites arguta E Erechtites atkinsoniae Erechtites atkinsoniae A American burnweed Erechtites hieraciifolius C Coastal fireweed Erechtites minima A American fireweed Erechtites praealta E Erechtites quadridentata Erechtites quadridentata E Erechtites valerianifolius Erechtites valerianifolius G Goldenaster Ericameria arborescens E Ericameria bloomeri Ericameria bloomeri H Hairy fleabane Erigeron bonariensis C Canadian horseweed Erigeron canadensis F Flaxleaf fleabane Erigeron floribundus E Ethulia conyzoides Ethulia conyzoides J Japanese cudweed Euchiton japonicus T Tall thoroughwort Eupatorium altissimum Y Yankeeweed Eupatorium compositifolium J Joe-Pye weed Eupatorium fistulosum E Eupatorium macrocephalum Eupatorium macrocephalum S Spotted Joe-Pye weed Eupatorium maculatum C Coastal Plain Joe-Pye Weed Eutrochium dubium J Joe Pye weed Eutrochium purpureum S Spring evax Evax verna F Facelis retusa Facelis retusa F Field cudweed Filago arvensis F Filago gallica Filago gallica C Common cudweed Filago germanica R Red-tipped cudweed Filago lutescens F Filago minima Filago minima D Dwarf cudweed Filago pygmaea B Broad-leaved cudweed Filago pyramidata Y Yellow twine (Flaveria australasica) Flaveria australasica G Gamochaeta falcata Gamochaeta falcata G Gamochaeta norvegica Gamochaeta norvegica P Pennsylvania everlasting Gamochaeta pensylvanica P Purple cudweed Gamochaeta purpurea C Cudweed Gnaphalium G Gnaphalium candidissimum Gnaphalium candidissimum G Gnaphalium chilense Gnaphalium chilense C Creeping cudweed Gnaphalium collinum M Marsh cudweed Gnaphalium palustre D Dwarf cudweed Gnaphalium supinum H Heath cudweed Gnaphalium sylvaticum M Marsh cudweed Gnaphalium uliginosum G Grindelia Grindelia G Grindelia nana Grindelia nana