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I wanted to practice with the zoom capabilities of my iPhone 14 and a new Xenvo magnifier. I tested them out on some Texas Snakeweed/Broomweed from the neighborhood, a species which is keyed out based on fine characteristics of the achenes and pappus.
The first two (or three?) images were taken with the iPhone at max (5X) zoom. The remaining images of the flowers and achenes were taken with a Clarus 15X Macro attachment (from Xenvo) positioned over the iPhone macro lens. I have annotated a few of the latter images to show characters that are useful in a key in the Flora of North Central Texas for separating species of Gutierrezia. The plants were obtained at the location of the pin on Q Ranch Road; they were photographed under artificial light at home. (I was so intent on documenting the flowers that I forgot to obtain images of the whole plant! Anyway, it looked like all the millions of other annual broomweed plants in pastures across much of Texas.)