Critically-endangered prehistoric plant species found at RSPB Saltholme | Darlington and Stockton Times
The pool in which the rare plant, bearded stonewort, was found. Picture: Martin Hammond A CRITICALLY-endangered plant species that dates back to prehistoric times has been found at the RSPB Saltholme nature reserve. The 'bearded stonewort' algae, which dates back 460 million years, is believed to be related to the ancestors of all land plants. It has been found in dragonfly pools at RSPB Saltholme nature reserve that were dug in 2019. This work will have disturbed spores that may have been dormant in the soil for decades. It is also possible that a piece of stonewort travelled to Sa...