Zanthoxylum americanum , Prickly Ash, Howard County, MD, Helen Lowe Metzman

close up of image

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.


Image Dimensions: 4538 x 3894

Date Taken: