What's That Weed? (September 2021 EcoQuest Guide)

This guide will help with identification of common weeds included in the September 2021 EcoQuest.

For this EcoQuest we’re looking at common weeds you may be seeing more of lately, thanks to the abundance of rain we’ve had this monsoon season! What we consider weeds can actually be ...more ↓

Erect spiderling 1
Boerhavia erecta
fivewing spiderling 2
Boerhavia intermedia
fringed amaranth 3
Amaranthus fimbriatus
woolly tidestromia 4
Tidestromia lanuginosa
scarlet spiderling 5
Boerhavia coccinea
Common purslane 6
Portulaca oleracea
Palmer's amaranth 7
Amaranthus palmeri
warty caltrop 8
Kallstroemia parviflora
desert horse purslane 9
Trianthema portulacastrum
puncture vine 10
Tribulus terrestris

Edited by Jeny Davis, some rights reserved (CC BY-SA)

Photo Credits

  • 1. (c) Christian Schwarz, some rights reserved (CC BY-NC), uploaded by Christian Schwarz
  • 2. (c) BJ Stacey, some rights reserved (CC BY-NC), uploaded by BJ Stacey
  • 3. (c) Patrick Alexander, some rights reserved (CC BY-NC-ND)
  • 4. (c) Damon Tighe, some rights reserved (CC BY-NC), uploaded by Damon Tighe
  • 5. (c) sea-kangaroo, some rights reserved (CC BY-NC-ND), uploaded by sea-kangaroo
  • 6. (c) Ehoarn Bidault, some rights reserved (CC BY-NC), uploaded by Ehoarn Bidault
  • 7. (c) John Beetham, some rights reserved (CC BY-NC), uploaded by John Beetham
  • 8. (c) James Bailey, some rights reserved (CC BY-NC), uploaded by James Bailey
  • 9. no rights reserved, uploaded by 葉子
  • 10. (c) Antonio W. Salas, some rights reserved (CC BY), uploaded by Antonio W. Salas