-
on low ridge of mineralized gossen soil altered from tuffaceous rhyolite
-
on low ridge of mineralized gossen soil altered from tuffaceous rhyolite
-
on low ridge of mineralized gossen soil altered from tuffaceous rhyolite
-
on low ridge of mineralized gossen soil altered from tuffaceous rhyolite
-
on low ridge of mineralized gossen soil altered from tuffaceous rhyolite
-
on low ridge of mineralized gossen soil altered from tuffaceous rhyolite
-
on low ridge of mineralized gossen soil altered from tuffaceous rhyolite
-
in rhyolitic tuff gravels on steep south facing, mid-canyon slope
-
on gravelly volcanic rhyolite tuff substrate in steeply terraced lower part of canyon
-
on coarse rhyolitic tuff gravels in side canyon drainage just above the Rio Batopilas
-
on coarse rhyolitic tuff gravels in side canyon drainage just above the Rio Batopilas
-
on coarse rhyolitic tuff gravels in side canyon drainage just above the Rio Batopilas
-
mixed accumulation of volcanic gravels and fine alluvial soils of bluff just above the riverside road
-
mixed accumulation of volcanic gravels and fine alluvial soils of roadside bluff just above the Rio Urique
-
plants on exposed limestone hillside with Opuntia rufida, Sengalia crassifolia, Sericodes greggii, Agave scabra.
-
View of bracteoles. Small twinning vine with thread-like divided leaves on coarse gravelly volcanic(rhyolite) soil of large, wide, braided sheet-wash arroyo.
-
Note bee cut access to nectary in flower tube without pollination service. Small twinning vine with thread-like divided leaves on coarse gravelly volcanic(rhyolite) soil of large, wide, braided sheet-wash arroyo.
-
Flower bud. Small twinning vine with thread-like divided leaves on coarse gravelly volcanic(rhyolite) soil of large, wide, braided sheet-wash arroyo.
-
short clamoring vine growing at base of south face of roadcut in rhyolite ridge
-
short clamoring vine growing at base of morth face of roadcut in rhyolite ridge
-
short clamoring vine growing at base of south face of roadcut in rhyolite ridge
-
short clamoring vine growing at base of south face of roadcut in rhyolite ridge
