Credit: Blaine Hansel | originally posted to Flickr as Leadplant | License: PD US NPS

Silver Bur Ragweed (Ambrosia chamissonis)

Credit: Wildfeuer | own photo | License: CC-BY-SA-3.0,2.5,2.0,1.0 GFDL

Japanese Thimbleweed (Anemone hupehensis)

Credit: Mike | Own work | License: CC-BY-SA-3.0,2.5,2.0,1.0 GFDL

Arizona Desert-Thorn (Lycium exsertum)

Credit: Forest & Kim Sta... | Plants of Hawaii, Image 081230-0632 from http://www.hear.org/... | License: CC-BY-SA-3.0-migrated GFDL

Lipsticktree (Bixa orellana)

Credit: Miwasatoshi | Own work | License: CC-BY-SA-3.0,2.5,2.0,1.0 GFDL

Desert Willow (Chilopsis linearis)

Credit: Feloidea | Own work | License: CC-BY-SA-3.0 GFDL

Cactus Apple (Opuntia engelmannii)

Credit: Britton, N.L., and A. Brown. 1913. Illustrated flora of the northern states and Canada. Vol. 1: 500. Courtesy of Kentucky Native Plant Society. | http://plants.usda.g... | License: PD USDA

Textile Onion (Allium textile)

Credit: Javier martin | Self made work | License: PD

Beancaper (Zygophyllum)

Credit: NaturKamera | Own work | License: CC-BY-SA-3.0

Bryony (Bryonia)

Credit: Jim Pisarowicz | http://www.nps.gov/w... | License: PD US NPS

Bottlebrush Sedge (Carex hystericina)

Credit: Miwasatoshi | Own work | License: CC-BY-SA-3.0,2.5,2.0,1.0 GFDL

Sweetbush (Bebbia juncea)

Credit: Forest & Kim Sta... | Plants of Hawaii, Image 010726-9002 from http://www.hear.org/... | License: CC-BY-3.0

Girdlepod (Mitracarpus)

Credit: Magnus Manske | Own work | License: PD Old

Black Cumin (Nigella sativa)

Credit: Forest & Kim Sta... | Plants of Hawaii, Image 040731-0024 from http://www.hear.org/... | License: CC-BY-SA-3.0-migrated GFDL

Snow-Wreath (Neviusia)

Credit: Forest & Kim Sta... | Plants of Hawaii, Image 050419-0368 from http://www.hear.org/... | License: CC-BY-3.0

White Moneywort (Alysicarpus vaginalis)

Credit: Stan Shebs | Own work | License: CC-BY-SA-2.5 CC-BY-SA-3.0-migrated GFDL

Appendage Brodiaea (Brodiaea appendiculata)

Credit: Feloidea | Own work | License: CC-BY-SA-3.0 GFDL

Petticoat Daffodil (Narcissus bulbocodium)

Credit: A. Masclef | Atlas des plantes de France. 1891 | License: PD Old PD-Art (PD-old)

Grape Hyacinth (Muscari)

Credit: J.M.Garg | Own work | License: CC-BY-SA-3.0,2.5,2.0,1.0 GFDL

Turkey Tangle Fogfruit (Phyla nodiflora)

Credit: Robert H. Mohlenbrock | http://plants.usda.g... | License: PD USDA NRCS

Oval-Leaf Sedge (Carex cephalophora)

Credit: Tracey Slotta | http://plants.usda.g... | License: CC-BY-SA-3.0-migrated GFDL

Hawai'I Birdnest Fern (Asplenium nidus)

Credit: Richard Evan Schultes | Richard Evan Schulte... | License: PD US

Cohoba Tree (Anadenanthera peregrina)

Credit: NRCS National Wetland Team, Fort Worth, TX. | Wetland flora: Field office illustrated guide to plant species. Provided by NRCS National Wetland Team, Fort Worth, TX.. | License: PD USDA NRCS

Annual Marsh Elder (Iva annua)

Credit: J.F. Gaffard Jeffdelonge at fr.wikipedia | photo by Jeffdelonge | License: CC-BY-SA-3.0-migrated GFDL

Plantain False Leopardbane (Doronicum plantagineum)