Pertityle aglossa
Black Gap Wildlife Refuge, TX
Spjut & Marin15081B, Nov 2002

Pertityle emoryi
Coxcomb Mts., Mojave Desert, CA
Spjut 15835, Mar 2005

Pertityle megalocephala
NV: Mineral Co., Walker Lake
October 2006

Walker Lake
June 2007

Pertityle stansburyi

Utah—Great Basin Desert-Bonneville Basin Region. Millard Co., Confusion Range, north side of Hwy 50, ~92 miles west of Delta; 39º04'42.7", 113º43.08.9", 1716 m.  Limestone-sandstone outcrops in pinyon-juniper zone. Aromatic rounded shrub, common on limestone.  Richard Spjut & Paul Burchstead 16365. 22 June 2008