Trending: yellow trout lily (Erythronium americanum) — 1312 observations this week
iNaturalist Community
Phenology
Yellow trout lily is a bellwether of spring in eastern forests — if you walk in a woodland park right now, you may be able to spot its mottled leaves and nodding yellow flowers before they disappear for the rest of the year.
Yellow trout lily is a small wildflower that carpets forest floors each spring for just a few weeks before going dormant until the following year. Right now it's at peak bloom, and over a thousand nature lovers recorded sightings this week alone. It's one of those 'blink and you'll miss it' plants that rewards anyone who takes a walk in the woods this time of year.
Key Findings
1,312 research-grade observations were submitted to iNaturalist in a single week, making yellow trout lily one of the most-observed plant species during this period.
The surge in observations aligns with the species' brief spring bloom window, typically lasting only a few weeks in April, highlighting its status as a classic spring ephemeral.
The volume of citizen science records provides valuable phenology data, helping track whether bloom timing is shifting earlier or later due to climate change.
chevron_right Technical Summary
Yellow trout lily, a native spring wildflower, is blooming across eastern North America right now, generating over 1,300 citizen science observations in a single week — a sign that spring ephemerals are peaking and that people are actively watching.
Abstract Preview
yellow trout lily is among the most observed plant species this week with 1312 research-grade observations.
open_in_new Read full abstractAbstract copyright held by the original publisher.
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Erythronium americanum, the trout lily, yellow trout lily, fawn lily, yellow adder's-tongue, or yellow dogtooth violet, is a species of perennial, colony forming, spring ephemeral flower native to North America and dwelling in woodland habitats. Within its range it is a very common and widespread...