| Rating | Plant Name | Thumbnail |
| 641 | Guadalupe leastdaisy
Chaetopappa hersheyi | No Images Yet |
642  | Silky Aster
Aster sericeus |  |
| 643 | Ivyleaf thoroughwort
Chromolaena ivifolia | No Images Yet |
| 644 | Cottony goldenaster
Chrysopsis gossypina | No Images Yet |
| 645 | Lynn Haven goldenaster
Chrysopsis lanuginosa | No Images Yet |
| 646 | Rose Thistle
Cirsium andersonii | No Images Yet |
| 647 | Clustered Thistle
Cirsium brevistylum | No Images Yet |
| 648 | Prairie Thistle
Cirsium canescens | No Images Yet |
649  | Carolina Thistle, Purple Thistle, Soft Thistle
Cirsium carolinianum |  |
| 650 | Whitespine Thistle
Cirsium clokeyi | No Images Yet |
| 651 | Peregrine Thistle
Cirsium cymosum | No Images Yet |
| 652 | Dwarf Thistle
Cirsium drummondii | No Images Yet |
| 653 | Cobweb Thistle, Cobwebby Thistle, Red Thistle, Venus Thistle
Cirsium occidentale | No Images Yet |
| 654 | Snowy Thistle
Cirsium pastoris | No Images Yet |
| 655 | Steen Mountain Thistle
Cirsium peckii | No Images Yet |
| 656 | Pitcher's Thistle, Sand Dune Thistle
Cirsium pitcheri |  |
| 657 | Pasture Thistle
Cirsium pumilum | No Images Yet |
| 658 | Alameda County Thistle
Cirsium quercetorum | No Images Yet |
| 659 | White Aster, Upland White Aster, Sneezewort Aster
Aster ptarmicoides |  |
| 660 | Mt. Tamalpais Thistle
Cirsium amblylepis | No Images Yet |
| 661 | Barneby's Thistle
Cirsium barnebyi | No Images Yet |
| 662 | Fish Lake Thistle
Cirsium clavatum | No Images Yet |
| 663 | Rosette Thistle
Cirsium congdonii | No Images Yet |
| 664 | Slough Thistle
Cirsium crassicaule | No Images Yet |
| 665 | Douglas Thistle
Cirsium douglasii | No Images Yet |
| 666 | Queen Thistle
Cirsium chellyense | No Images Yet |
| 667 | Edible Thistle
Cirsium edule |  |
| 668 | Scabious Knapweed, Greater Knapweed, Greater Centaury
Centaurea alpestris | No Images Yet |
| 669 | Painted Daisy, Tricolor Chrysanthemum
Ismelia carinata |  |
| 670 | A'Kub, Tumbleweed
Gundelia tournefortii | No Images Yet |
| 671 | Few-leaf Sunflower, Naked Stem Sunflower, Western Sunflower
Helianthus occidentalis |  |
| 672 | Dwarf horseweed
Conyza ramosissima | No Images Yet |
| 673 | Larkspur-leaf Tickseed
Coreopsis delphiniifolia | No Images Yet |
| 674 | Wild Lettuce
Lactuca virosa |  |
| 675 | Largeflower Hawksbeard
Crepis occidentalis | No Images Yet |
| 676 | Slender Hawksbeard
Crepis atribarba |  |
| 677 | Curly Endive, Escarole, Salad Endive
Cichorium endivia |  |
| 678 | Green Lavender Cotton
Santolina rosmarinifolia |  |
| 679 | Everlasting Daisy, Paper Daisy, Strawflower
Rhodanthe chlorocephala subsp. rosea |  |
| 680 | Carruth's Sagewort
Artemisia carruthii | No Images Yet |
