Yellowtop … Usually a Sign of Fall

Yellowtop (Flaveria linearis) flowers are a sign of Fall, though not a sure sign. ¬†Tara McTaggart texted that her yellowtop bloomed in the Spring. Pollinating insects, including butterflies, love to nectar on this wonderful wildflower, pictured above along the east…

Hairy (Yellow) Leafcup – A Sure Sign of Fall

Another sure sign of the advent of Fall at the Oslo Riverfront Conservation Area are the sunny yellow flowers of the tall, perennial plant, hairy leafcup (Smallanthus uvedelia) at the park entrance.¬† This plant dies back to the ground each…