Habit image. Strong, M. T. 5393. South Quay Sandhill Preserve. Off of South Quay Road (SR189) at end of Wyanoke Trail (SR747). Sand road SSE of yellow gate towards Union Camp holding pond, GGI Gardens Project 2016.
Description: English: Common Ragweed (Ambrosia artemisiifolia) blooming in the Seldom Seen Greenway, Pittsburgh. Date: 15 August 2021, 14:30:10. Source: Own work. Author: Cbaile19.
Description: Ambrosia artemisiifolia. Date: 1982. Source: Windfield Photographic Collection, POB 340 Stn. B London Ontario Canada N6A 4W1. Author: Wayne Ray. Permission (Reusing this file): Own PD.
Description: English: Common Ragweed (Ambrosia artemisiifolia) blooming in the Seldom Seen Greenway, Pittsburgh. Date: 15 August 2021, 14:31:20. Source: Own work. Author: Cbaile19.
Description: English: Common Ragweed (Ambrosia artemisiifolia) blooming in the Seldom Seen Greenway, Pittsburgh. Date: 15 August 2021, 14:29:17. Source: Own work. Author: Cbaile19.