Zanthoxylum americanum 2 , Prickly Ash, 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/Zanthoxylum%20americanum%202%20%2C%20Prickly%20Ash%2C%20Howard%20County%2C%20MD%2C%20Helen%20Lowe%20Metzman_2017-07-25-22.02.jpg?itok=QtjkarmV)
Detailed Description
Common Pricklyash. Zanthoxylum americanum. Very rare now in Maryland. Specimen and photograph 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.