Mt. Graham Spurred Gentian

Palmer, E. 839, US National Herbarium Sheet 1363309 Barcode 00893889

moist volcanic soils of road bank seep

shaded understory above creek banks

shaded understory above creek bank

seeps in steep face of roadcut in volcanic rhyolitis tuff. Elev. 6018'

among seeps in steep face of roadcut in volcanic rhyolitis tuff. Elev. 6018' Note broader than normanal spathulate cauline leaves

moist soils of road bank seep, volcanic substrate

on coarse volcanic gravels and alluvial sands below rhyolitic tuff cliffs forming narrow canyon bottom drained by small perennial creek.

on coarse volcanic gravels and alluvial sands below rhyolitic tuff cliffs forming narrow canyon bottom drained by small perennial creek.

on coarse volcanic gravels and alluvial sands below rhyolitic tuff cliffs forming narrow canyon bottom drained by small perennial creek.

on coarse volcanic gravels and alluvial sands below rhyolitic tuff cliffs forming narrow canyon bottom drained by small perennial creek.