| asclepias purpurascens | | Canada: Ontario, Essex County, Titcombe Hydro Line, Stand 6032, Central N.E. section of prairie S. of power line entry to prairie at Titcombe Rd. Sandwhich West Twp. | | 1316021390 |
| asclepias purpurascens | | Canada: Ontario, Essex Co, Windsor, UTM 278813 (map 40J/6), immediately W of Hwy 18, S of Broadway St, N of Sprucewood Rd. | | 1316026006 |
| asclepias purpurascens | | canada: ontario, essex county, titcombe hydro line, stand 6032, central n.e. section of prairie s. of power line entry to prairie at titcombe rd. sandwhich west twp. | | 1331393371 |
| asclepias purpurascens | | Canada: Ontario, Essex County, Windsor, Ojibway Park | | 1316024114 |