182. Yellow hymenoppapus. Hymenoppapus flavescens
184. Rayless thelesperma. Thelesperma megapotamicum
185. Slimleaf hymenoppapus. Hymenoppapus tenuifolius
186. Stemless hymenoxys. Hymenoxys acaulis

shingle-like bracts

187. Marsh-fleabane. Pluchea odorata
188. Ironweed. Vernonia baldwinii
189. False boneset. Kuhnia eupatorioides var. corymbulosa
190. Blazing star. Liatris punctata

191. Curlycup gumweed. Grindelia squarrosa var. nuda

leaf-like bracts

192. Devils beggarticks. Bidens frondosa
193. Beggarticks. Bidens comosa
194. Beggarticks. Bidens vulgata

spine-tipped bracts

195. Yellow-spined thistle. Cirsium ochrocentrum
196. Wavyleaf thistle. Cirsium undulatum
197. Bull thistle. Cirsium vulgare