Bird nest fungi 3_PMax UDR 01 copyCyathus striatus. Found in the mulch at the USGS Native Bee Lab. Photo by Dorcas… https://www.rawpixel.com/image/9655086/photo-image-background-shadows-heartFree Image from public domain licenseOsmia pumila, f, face, Charles Co. MD. Original public domain image from Flickr https://www.rawpixel.com/image/8756797/photo-image-instagram-public-domain-beesFree Image from public domain licenseOsmia pumila, f, right side, Charles Co. MD. Original public domain image from Flickr https://www.rawpixel.com/image/8756799/photo-image-instagram-public-domain-beesFree Image from public domain license