By Bob Cooke Now that abundant ferns are greening gardens, forests and roadsides in Bolton and similar environments, it’s a surprise to learn that all the world’s ferns once almost disappeared, robbed of sunlight by bigger, fast-growing, shade-making flowering plants. In fact, fossil evidence has shown that far back in evolutionary history, the ferns were … Continue reading How Ferns Survived Near-Extinction… July 11, 2014