Perennial sowthistle

C Curly-top gumweed Grindelia squarrosa G Gundelia tournefortii Gundelia tournefortii G Gutierrezia dracunculoides Gutierrezia dracunculoides G Gutierrezia microcephala Gutierrezia microcephala B Broom snakeweed Gutierrezia sarothrae G Gutierrezia texana Gutierrezia texana G Gregg's false broomweed Haploesthes greggii H Hazardia detonsa Hazardia detonsa C Crete weed Hedypnois rhagadioloides S Sneezeweed Helenium B Bitter sneezeweed Helenium amarum C Common sneezeweed Helenium autumnale B Bigelow's sneezeweed Helenium bigelovii P Purple-headed sneezeweed Helenium flexuosum T Texas blueweed Helianthus ciliaris R Rosinweed sunflower Helianthus silphioides S Silvery everlasting Helichrysum argyrophyllum H Hayfield tarweed Hemizonia congesta C Camphorweed Heterotheca subaxillaris H Hawkweed Hieracium A Alpine hawkweed Hieracium alpinum C Clasping-leaf hawkweed Hieracium amplexicaule D Dark hawkweed Hieracium atratum B Bifid hawkweed Hieracium bifidum H Hieracium bupleuroides Hieracium bupleuroides G Gronov's hawkweed Hieracium gronovii H Hieracium humile Hieracium humile H Hieracium intybaceum Hieracium intybaceum K Koehler's Hawkweed Hieracium koehleri L Lachenal's hawkweed Hieracium lachenalii S Smooth hawkweed Hieracium laevigatum S Spotted hawkweed Hieracium maculatum W Wall hawkweed Hieracium murorum K King devil Hieracium praealtum P Prenanthes hawkweed Hieracium prenanthoides S Savoy hawkweed Hieracium sabaudum W Woolly hawkweed Hieracium tomentosum N Narrowleaf hawkweed Hieracium umbellatum R Rattlesnake weed Hieracium venosum S Shaggy hawkweed Hieracium villosum H Holocarpha heermannii Holocarpha heermannii H Holocarpha virgata Holocarpha virgata H Hymenoxys hoopesii Hymenoxys hoopesii B Bitter rubberweed Hymenoxys odorata C Catsear Hypochaeris radicata I Isocoma coronopifolia Isocoma coronopifolia D Drummond's goldenweed Isocoma drummondii J Jimmyweed Isocoma pluriflora B Burroweed Isocoma tenuisecta I Isocoma veneta Isocoma veneta I Iva angustifolia Iva angustifolia S Sumpweed Iva annua P Poverty weed Iva axillaris R Rough sumpweed Iva ciliata M Marsh elder Iva xanthiifolia K Krigia cespitosa Krigia cespitosa I Indian lettuce Lactuca indica C Coulter's horseweed Laennecia coulteri O Oxeye daisy Leucanthemum vulgare S Skeletonweed Lygodesmia juncea