Fossil <I>Woodwardia virginica</I> Foliage From the Middle Miocene Yakima Canyon
Kathleen B. Pigg Arizona State University Department of Plant Biology Tempe Arizona 85287-1601 USA
BSA Plant Images Online - Fossil Woodwardia virginica Foliage From the Middle Miocene Yakima Canyon
Fossil Woodwardia virginica foliage from the middle Miocene Yakima Canyon flora of central Washington State, USA. Vegetative and fertile features of this fossil are remarkably similar to those of the modern "Virginia chain fern" of the Atlantic coastal region, USA.