Peaking in early May (week 19)
Species whose records cluster in early May in Door County, Wisconsin, measured against how much the county records in the same weeks. This ranks reports, not organisms — it says when people found something worth photographing.
Yellow trout lily Erythronium americanum of its 78 records
fall in these three weeks Plants
Squirrel corn Dicentra canadensis of its 21 records
fall in these three weeks Plants
Carolina Springbeauty Claytonia caroliniana of its 22 records
fall in these three weeks Plants
Hookedspur violet Viola adunca of its 23 records
fall in these three weeks Plants
Downy rattlesnake plantain Goodyera pubescens of its 91 records
fall in these three weeks Plants
Wood anemone Anemonoides quinquefolia of its 126 records
fall in these three weeks Plants
Largeflower bellwort Uvularia grandiflora of its 138 records
fall in these three weeks Plants
Round-lobed hepatica Hepatica americana of its 84 records
fall in these three weeks Plants
Arctic Butterbur Petasites frigidus of its 37 records
fall in these three weeks Plants
Long-spurred violet Viola rostrata of its 43 records
fall in these three weeks Plants
Siberian squill Scilla siberica of its 21 records
fall in these three weeks Plants
Sharp-lobed hepatica Hepatica acutiloba of its 188 records
fall in these three weeks Plants
Ranked by the share of a species' own record that falls in this week and the two around it, divided by the share of all county records in the same window. 146 species were considered.