Yellowtop (Flaveria linearis) flowers each fall behind the beach dunes at Sebastian Inlet State Park. It is shown below in 2013 growing between the roadway and a swath of sea oxeye daisy (Borrichia frutescens).
Yellowtop generally flowers in the late summer/early fall. Though a member of the daisy family, Asteraceae, yellowtop mostly lacks petals or has just a few …
Its flowers are held in a flat-topped cluster (corymb) …
Its opposite leaves are linear, hence the species name linearis. Its genus name, Flaveria, means yellow or golden.
Sometimes its stems are very reddish in color …
Pollinators of all types and sizes flock to it tiny flowers …
Its fruits are a dry achene …
Look for yellowtop in disturbed/ruderal areas and along the edges of mangrove forests, marshes, and sand dunes as at Sebastian Inlet State Park …
Enjoy the Oslo Riverfront Conservation Area 