16. Pseudognaphalium biolettii Anderberg ex G. L. Nesom, Sida. 20: 149. 2002.
Gnaphalium bicolor Bioletti, Erythea 1: 16. 1893, not (Lindley) Schultz-Bipontinus 1845
Perennials (fragrant), 20–70(–120) cm; taprooted. Stems (sometimes lignescent near bases) proximally glabrescent, distally persistently tomentose, at least in the region of the heads, not glandular. Leaf blades (not crowded, internodes mostly 5+ mm), oblong-oblanceolate to oblanceolate (the distal lanceolate), 1.5–5(–8) cm × 4–10(–15) mm, bases auriculate-clasping, not decurrent, margins flat or slightly revolute, often undulate, faces bicolor (at least basal and proximal cauline), abaxial white-tomentose, adaxial bright green and ± densely glandular. Heads in corymbiform arrays. Involucres turbinate-campanulate, 5–5.5(–6) mm. Phyllaries in 4–5 series, white or sometimes slightly pinkish (opaque, shiny), ovate to oblong-ovate or oblong (often longitudinally wrinkled or grooved), glabrous. Pistillate florets 41–73. Bisexual florets 5–13. Cypselae ridged, smooth.
Flowering Apr–Jun(–Oct). Rocky slopes, roadsides, sandy plains with Larrea, coastal strand, matorral, and chaparral; 5–600(–1200) m; Calif.; Mexico (Baja California, Baja California Sur).