]> GH barcode-01590253 United States of America Texas west fork of Rio Frio 15 miles north of Leakey (Prade Ranch 2.5 miles above mouth of the Short Prong) Petrophytum caespitosum (Nuttall) Rydberg (Nuttall) Rydberg 2020-05-18 05:34:11 R. McVaugh