Denver-Boulder Metro Area: Yellow, White and Green Flowers

This guide contains yellow, white, and green flowers that can be found in the Denver-Boulder Metro Area, including Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas, and Jefferson Counties.

Marshelder ¹
Cyclachaena xanthiifolia

poverty weed ²
Iva axillaris

annual bur-sage ³
Ambrosia acanthicarpa

common ragweed ⁴
Ambrosia artemisiifolia

western ragweed ⁵
Ambrosia psilostachya

Skeletonleaf Bur Ragweed ⁶
Ambrosia tomentosa

giant ragweed ⁷
Ambrosia trifida

Edited by Colorado Parks and Wildlife, some rights reserved (CC BY-SA)

Photo Credits

1. (c) scottmo, some rights reserved (CC BY-NC), uploaded by scottmo
2. (c) Matt Lavin, some rights reserved (CC BY-SA)
3. (c) Alex Abair, some rights reserved (CC BY-NC), uploaded by Alex Abair
4. (c) Erik JÃ¸rgensen, some rights reserved (CC BY-NC-SA)
5. (c) Flickr, some rights reserved (CC BY-NC)
6. (c) lunamothkd, some rights reserved (CC BY-NC), uploaded by lunamothkd
7. (c) Nathan Taylor, some rights reserved (CC BY-NC), uploaded by Nathan Taylor

Denver-Boulder Metro Area: Yellow, White and Green Flowers

Marshelder 1 Cyclachaena xanthiifolia

poverty weed 2 Iva axillaris

annual bur-sage 3 Ambrosia acanthicarpa

common ragweed 4 Ambrosia artemisiifolia

western ragweed 5 Ambrosia psilostachya

Skeletonleaf Bur Ragweed 6 Ambrosia tomentosa

giant ragweed 7 Ambrosia trifida