© korenbosworth · CC BY-NC
iNaturalist — CC, credited & licensed per image
Pictured: Pedicularis parviflora — the species. This subspecies isn’t separately illustrated.
Scrophulariaceae family
Smallflower Lousewort (subsp. parviflora) Pedicularis parviflora subsp. parviflora subspecies
Native
Smallflower Lousewort (subsp. parviflora) is an annual wildflower native to Alaska.
Growing & care
USDA PLANTS · TRY Size & form
Sources · Size & form
USDA PLANTS — Lifespan
- Lifespan
- Annual
In the garden
Herb layer — Sits in the herb of a layered food forest or polyculture.Open guide →
derived roles
Species characteristics from USDA PLANTS (public domain) + TRY (CC BY) — general guidance, not a
guarantee for your exact site. Deer "browsing" is documented palatability, not a deer-proof claim.
Wildlife & pollinators
How pollinator value is scored →❧ Caterpillar hosts ~3 caterpillar species
Pedicularis supports ~3 caterpillar species.
Native butterfly & moth caterpillars are the base of the terrestrial food web — most songbirds rear their young almost entirely on them. As a host for native Lepidoptera this is a modest genus.
Recorded feeding on Pedicularis in North America, including:
+ 2 more species → ↑ show fewer
Keystone count (genus-level) from Warren II 2026 (CC0) · Tallamy host-use records. Named species (a documented Nearctic sample, not exhaustive) from NHM HOSTS (CC0).
Species thumbnails re-hosted from iNaturalist — Creative Commons, credited per image (hover for credit). Click any species to see it on iNaturalist. Not exhaustive; many taxa have no openly-licensed photo yet.
Related plants
More Pedicularis →
Native
Bracted Lousewort
Pedicularis bracteosa
●○○○○ 
Native
Canadian Lousewort
Pedicularis canadensis
●○○○○ 
Native
Capitate Lousewort
Pedicularis capitata
●○○○○ 
Native
Chamisso's Lousewort
Pedicularis chamissonis
●○○○○ 
Native
Coiled Lousewort
Pedicularis contorta
●○○○○ 
Native
Ducksbill Lousewort
Pedicularis ornithorhyncha
●○○○○ Same genus / family, ranked by ecological value — from the PlantKey catalog
Sources for this entry (10) Open & cited
[01] Scientific name & family — USDA PLANTS (DwCA, Zenodo 17903503)
[02] Growth habit & duration — USDA PLANTS (DwCA, Zenodo 17903503)
[03] Native status & distribution — USDA PLANTS (DwCA, Zenodo 17903503)
[04] Common name — USDA PLANTS (via GBIF)
[05] Invasive / introduced status — USDA PLANTS (DwCA, Zenodo 17903503) — native status
[06] Ecological value — Warren II 2026 (CC0) · Tallamy host-use counts
[07] Conservation rank — NatureServe Explorer (CC BY)
[08] Caterpillar host count — Warren II 2026 (Dryad, CC0) · Tallamy host-use counts
[09] Caterpillar species — NHM HOSTS (CC0)
Spot an error or have a better photo? Every field links to its source, and the whole dataset is open.
Cite this page Open data, please attribute
PlantKey’s data is open under CC BY-SA 4.0 — free to reuse and adapt, with attribution and the same licence. Photos keep their own per-image licence + credit (see Sources above).
Citation
Loading…
BibTeX
Loading…