Dataset: All Collections
Taxa: Penstemon humilis var. humilis (Penstemon humilis ssp. humilis, Penstemon cinereus, Penstemon decurvus, Penstemon humilis var. deserticus, Penstemon cinereus var. foliatus, Penstemon cinereus ssp. foliatus)
Search Criteria: excluding cultivated/captive occurrences