Earth Day wildflower walk

(1/4) Fermilab ecologist Wally Levernier led a wildflower walk for Earth Day on April 22. Bloodroot carpets the landscape. nature, plant, flower, bloodroot, woods Photo: Marguerite Tonjes

(1/4) Fermilab ecologist Wally Levernier led a wildflower walk for Earth Day on April 22. Bloodroot carpets the landscape. Photo: Marguerite Tonjes

(2/4) These are Dutchman's breeches. nature, plant, flower, Dutchman's breeches Photo: Marguerite Tonjes

(2/4) These are Dutchman’s breeches. Photo: Marguerite Tonjes

(3/4) It's a workday field trip to know our surroundings better. nature, people, woods Photo: Marguerite Tonjes

(3/4) It’s a workday field trip to know our surroundings better. Photo: Marguerite Tonjes

(4/4) These are called spring beauties. nature, plant, flower, spring beauty Photo: Marguerite Tonjes

(4/4) These are called spring beauties. Photo: Marguerite Tonjes