Pseudognaphalium biolettii A. A. Anderberg

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.

Gnaphalium bicolor Bioletti, Erythea 1: 16. 1893, not (Lindley) Schultz-Bipontinus 1845

Pseudognaphalium biolettii, or two-color rabbit-tobacco, is an Asteraceae-family flowering plant found in western North America. An alternative common name is two-tone everlasting. This perennial species is a food plant for the larval/caterpillar stages of the American Lady butterfly. This plant thrives in coastal sage and scrub habitats of southern California and Baja California. Two-color rabbit tobacco may have a slight fragrance of lemon. Plant size is up to a meter high. The blooming period is typically January to June.

Pseudognaphalium biolettii là một loài thực vật có hoa trong họ Cúc. Loài này được Anderb. miêu tả khoa học đầu tiên năm 1991.