The flowers of this early spring ephemeral live up to the plant's common name as one of the earliest spring bloomers, but the plant, and flowers, are so small that they often go unnoticed. Harbinger of Spring typically grows in rich soils of well-drained flood-plain forests and on mesic (somewhat moist) slopes in low-elevation forests (J. Hill/MNPS).
Harbinger of Spring is the host of Puccinia erigeniae, an autoecious rust
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