- Plant: Biznaga de Karwinski (Mammillaria karwinskiana)
- Uploaded by kararenee
- Info: Entire plant / 2016 / Atlanta, GA / License: Creative Commons (cc-3.0) ()
- Caption: My Mammillaria karwinskiana 2 years after the first photo was taken! It's much larger now, and has grown about 1.5'' in diameter.
