iNaturalist:
Sugar maple spotting slows as Canada's fall color fades
iNaturalist:
Red oak spotting slows down as fall colors fade
iNaturalist:
This fuzzy forest moss is suddenly everywhere in Canada
iNaturalist:
Milkweed sightings stay high across Canada as autumn sets in
iNaturalist:
Invasive buckthorn sightings surge across Canada this week
iNaturalist:
Pokeweed sightings dip slightly as fall observation seaso...
iNaturalist:
This weedy wetland plant is everywhere on iNaturalist this week
iNaturalist:
Eastern redcedar is having a moment on iNaturalist this week
iNaturalist:
Sugar maple spotting slows as Canada's fall color fades
iNaturalist:
Red oak spotting slows down as fall colors fade
iNaturalist:
This fuzzy forest moss is suddenly everywhere in Canada
iNaturalist:
Milkweed sightings stay high across Canada as autumn sets in
Trending: yellow trout lily (Erythronium americanum) — 431 observations this week
iNaturalist · 2026-05-16
Yellow trout lily is surging in citizen-science observations this week, with 431 research-grade sightings logged on iNaturalist — a strong signal that this native spring ephemeral is currently blooming across eastern North America.
1
431 research-grade observations of yellow trout lily were recorded on iNaturalist in a single week, placing it among the most-observed plant species on the platform.
2
The surge in sightings confirms the species is at or near peak bloom, consistent with its narrow spring ephemeral window before forest canopy closes.
3
Citizen-science data from iNaturalist allows near-real-time phenology tracking, enabling gardeners and naturalists to pinpoint bloom timing without relying on historical averages.
