https://www.paenflowered.org/apgii/asterales/asteraceae/vernonia/vernonia-gigantea
Giant Ironweed - Flora of Pennsylvania
Giant ironweed - plants of PA
giantironweedflorapennsylvania
https://www.bluestoneperennials.com/genus/Vernonia.html
Vernonia / Ironweed | Bluestone Perennials
Plant Vernonia and beneficial pollinators will come! A great source of nectar that butterflies, bees and bumblebees can't resist. Ironweed is easy to grow and...
vernoniaironweedbluestoneperennials
https://gobotany.nativeplanttrust.org/genus/vernonia/
Genus: Vernonia (ironweed): Go Botany
genusvernoniaironweedgobotany
https://redandthepeanut.blogspot.com/2010/09/clouded-sulphur-on-ironweedon-labor-day.html?showComment=1283900467058&m=0
Red and the Peanut: Clouded Sulphur on Ironweed...on Labor Day!
Rick and I headed up to Fort Ancient today for a bit of birding, but when we arrived we found locked gates...d'oh! We forgot Fort Ancient is...
the peanutclouded sulphurlabor dayredironweed
https://phillychapbookreview.org/tag/ironweed/
Ironweed Archives - Philly Chapbook Review
ironweedarchivesphillychapbookreview
https://www.plantdelights.com/products/vernonia-violet-night-ppaf
Vernonia 'Violet Night' PPAF | Violet Night Ironweed
Vernonia 'Violet Night' PPAF aka Violet Night Ironweed is natvie to United States Hybrid, is hardy in 4a to 9b, grows to 48
vernoniavioletnightironweed