sonnia hill:
Abutilon fruticosum - habit
sonnia hill:
Acalypha monostachya
sonnia hill:
Acleisanthes longiflora
sonnia hill:
Acleisanthes longiflora
sonnia hill:
Agave lechuguilla
sonnia hill:
Agave lechuguilla
sonnia hill:
Allionia incarnata
sonnia hill:
Amsonia longiflora
sonnia hill:
Amsonia longiflora
sonnia hill:
Argemone chisosensis
sonnia hill:
Argemone chisosensis
sonnia hill:
Argemone chisosensis
sonnia hill:
Ariocarpus fissuratus var. fissuratus
sonnia hill:
Astragalus mollissimus
sonnia hill:
Astragalus mollissimus
sonnia hill:
Astragalus mollissimus - flower and fruit (legume)
sonnia hill:
Astragalus nuttallianus var. austrinus - fruit (legume)
sonnia hill:
Astragalus nuttallianus var. austrinus - habit
sonnia hill:
Atriplex acanthocarpa - staminate plant
sonnia hill:
Atriplex canescens - staminate plant
sonnia hill:
Bahia absinthifolia
sonnia hill:
Bahia absinthifolia
sonnia hill:
Baileya multiradiata
sonnia hill:
Baileya multiradiata, Lupinus havardii
sonnia hill:
Alloberberis trifoliolata (syn: Berberis trifoliolata, Mahonia trifoliolata)
sonnia hill:
Berlandiera lyrata var. purpurea (disc florets purple)
sonnia hill:
Big Bend National Park
sonnia hill:
Vachellia farnesiana (syn: Acacia farnesiana)
sonnia hill:
Big Bend National Park vista
sonnia hill:
Buddleja marrubiifolia