Ferns

The history of life is often viewed as a evenly branching tree; however, in reality it is more like a tangled hedgerow. Many groups of organisms are known to have such a net-like or reticulate evolutionary history, but it is particularly common in ferns and lycophytes (also know…

Core samples from Late Jurassic (middle Oxfordian-Tithonian) and Early Cretaceous (late Berriasian-late Aptian) intervals of six oil wells in the southern coastal plain of Israel (Ashqelon-1, Talme-Yafe-4, Gevar'am-1, Helez-31, Helez-3, and Helez-2) were investigated palynologic…