Lahontan beardtongue, Penstemon palmeri var. macranthus, Nevada, Pershing County, Humboldt Range, Humboldt Canyon, Humboldt City, Humboldt River watershed, elevation 1663 m (5455 ft).

This northwestern Nevada endemic variety is threatened by hybridization due to widespread use of var. palmeri (Palmer penstemon) in seed mixes outside its native range, which is in southern and eastern Nevada and farther south and east.

From 35mm Ektachrome Elite-100 color transparency film exposed with a Tamron 28-70 mm zoom-macro lens on an Olympus OM-4T body. Scanned at 4000 dpi with a Nikon Coolscan 5000, and restored using Corel Paintshop Pro X4.