A discovery of a new fossil Equisetum species now places this genus at 150 mya, living in an environment where it still can be found today–hot springs.

A discovery of a new fossil Equisetum species now places this genus at 150 mya, living in an environment where it still can be found today -- hot springs.

Field Horsetail (Equisetum arvense) is a cosmopolitan fern widespread throughout the Northern Hemisphere, found in moist sites along roadsides and riverbanks as well as in fields, marshes, pastures, ...

The weed is notoriously difficult to eradicate and has become an increasingly common issue on housing developments across the UK ...

Over 100 million years ago, the understory of late Mesozoic forests was dominated by a diverse group of plants of the class Equisetopsida. Today, only one genus from this group, Equisetum (also ...