Pedicularis dudleyi is a perennial herb that is native to California, and endemic (limited) to California.
California Rare Plant Rank: 1B.2 (rare, threatened, or endangered in CA and elsewhere).
State of California status: Rare.
[elkhornsloughctp.org] Habitat: Dudley’s lousewort (Pedicularis dudleyi) is found in partly shaded banks and terraces, often in rocky soil, in coastal forests dominated by coast redwood (Sequoia sempervirens), Douglas-fir (Pseudotsuga menziesii var. menziesii), and tan oak (Notholithocarpus densiflorus var. densiflorus), almost always in areas with a low density of understory plants and a thin layer of leaf litter. (link added by Mary Ann Machi)
Calflora:
Information on California plants for education, research and conservation,
with data contributed by
public and private institutions and individuals.
[web application]. 2025.The Calflora Database
[a non-profit organization].Available:
https://www.calflora.org/(Accessed: 03/30/2025).
one or more occurrences