Picradeniopsis 



oppositifolia 

 Ratibida columnifera 

 Senecio canus 

 Senecio intergerrimus 

 Solidago canadensis 

 Solidago missouriensis 

 Solidago mollis 

 Solidago nemoralis 

 Solidago ridiga 

 Solidago sparsiflora 

 Sonchus arvensis 

 Sonchus uliginosus 

 Stephanomeria runcinata 

 Taraxacum laevigatum* 

 Taraxacum officinale* 

 Tetradymia canescens 

 Thelesperma marginatum 

 Townsendia hookeri 

 Tragopogon dubius 

 Xanthium strumarium 



Picradeniopsis 



BORAGINACEAE 

 Cryptantha celosioides 

 Cryptantha torreyana 

 Lappula echinata 

 Lappula redowski 

 Lithospermum arvense 

 Lithospermum incisum 

 Lithospermum ruderale 



Butte candle x 



Miner's candle 



Blue stickseed 



Redowski 's stickseed x 



Yellow puccoon x 



Narrow-leaved puccoon x 



Field stoneseed x 



BRASSICACEAE 

 Arabis hirusta 

 Arabis holboellii 

 Camelina microcarpa* 

 Camelina sativa* 

 Capsella bursa-pastoris* 

 Chorispora tenella* 

 Conringia orientalis* 

 Descurainia pinnata* 

 Descurainia sophia* 

 Draba reptans 

 Erysimum asperum 

 Erysimum inconspicuum 

 Hesperis matronalis* 

 Lepidium densiflorum 

 Lepidium perfoliatum 

 Lepidium ramosissimum 

 Lesquerella alpina 

 Lesquerella ludoviciana 

 Malacomia africana* 

 Physaria didymocarpa 

 Rorippa calycina 



Rock cress 



Holboell's rockcress x 



false flax 



false flax 



Shepherd's purse x 



Blue mustard 



Hare's ear mustard x 



Tansy mustard x 



Flixweed x 



White whitlowwort 



Western wallflower 



Smallflower wallflower 



Dame ' s rocket 



Peppergrass 



Heart-leaved peppergrass x 



peppergrass 



bladderpod x 



bladderpod x 



malcolmia x 



Twinpod X 



Per si stent sepal 



yellowcress 



