Ageratina altissima 2, White Snakeroot, Howard County, Md, Helen Lowe Metzman
![close up of image](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/Ageratina%20altissima%202%2C%20White%20Snakeroot%2C%20Howard%20County%2C%20Md%2C%20Helen%20Lowe%20Metzman_2019-03-22-19.27.09%20ZS%20PMax%20UDR.jpg?itok=evCO2a1D)
Detailed Description
White Snakeroot, Ageratina altissima. Collected and Photographed by Helen Lowe Metzman. Photography Information: Canon Mark II 5D, Zerene Stacker, Stackshot Sled, 65mm Canon MP-E 1-5X macro lens, Twin Macro Flash in Styrofoam Cooler, F5.0, ISO 100, Shutter Speed 200, USGSBIML Photoshopping Technique: Note that we now have added using the burn tool at 50% opacity set to shadows to clean up the halos that bleed into the black background from "hot" color sections of the picture.
Sources/Usage
Public Domain.