]> GH barcode-01654523 United States of America Pennsylvania Eldred Township; Penn. route 949 at Mill Creek (Union Township line). SW of the town of Sigel Arisaema triphyllum subsp. stewardsonii (Britton) Huttleston (Britton) Huttleston 2018-12-17 11:03:19 D. E. Boufford & E. W. Wood