Erigeron floribundus | Observation | UK and Ireland | iSpot
erigeron philadelphicus - philadelphia fleabane | Plants, Perennials, Photo galleries
The Flora of Inner-city Cork - Cork Nature Network
Botanical Society of Britain & Ireland - Blue Fleabane (Erigeron acer) is a brilliant plant, found in coastal areas and elsewhere, that seems almost shy in its flowering - its ray florets