Marc Coles-Ritchie:
Ambrosia acanthicarpa (flatspine bur ragweed)
Marc Coles-Ritchie:
Aristida purpurea (purple three-awn)
Marc Coles-Ritchie:
Artemisia filifolia (sand sagebrush)
Marc Coles-Ritchie:
Artemisia filifolia (sand sagebrush)
Marc Coles-Ritchie:
Artemisia filifolia (sand sagebrush)
Marc Coles-Ritchie:
Dieteria canescens (hoary tansyaster)
Marc Coles-Ritchie:
Ericameria nauseosa (rubber rabbitbrush)
Marc Coles-Ritchie:
Ericameria nauseosa (rubber rabbitbrush)
Marc Coles-Ritchie:
Ericameria nauseosa (rubber rabbitbrush)
Marc Coles-Ritchie:
Juniperus osteosperma (Utah juniper)
Marc Coles-Ritchie:
Machaeranthera tanacetifolia (tansyleaf tansyaster)
Marc Coles-Ritchie:
Machaeranthera tanacetifolia (tansyleaf tansyaster)
Marc Coles-Ritchie:
Machaeranthera tanacetifolia (tansyleaf tansyaster)
Marc Coles-Ritchie:
Oenothera pallida (pale evening primrose)
Marc Coles-Ritchie:
Oenothera pallida (pale evening primrose)
Marc Coles-Ritchie:
Oenothera pallida (pale evening primrose)
Marc Coles-Ritchie:
Salsola tragus (Russian thistle or tumbleweed)
Marc Coles-Ritchie:
Salsola tragus (Russian thistle or tumbleweed)
Marc Coles-Ritchie:
Salsola tragus (Russian thistle or tumbleweed)
Marc Coles-Ritchie:
Sporobolus cryptandrus (sand dropseed)
Marc Coles-Ritchie:
Sporobolus cryptandrus (sand dropseed)