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Hundreds of thousands of "antique" plants and flowers are to be studied to measure changing levels of pollution and air ...

The Dead Plant Society project will lead a search through the 250,000-strong collection in Leeds to compare modern plants and ...

Herbarium sheets are a way of preserving plants and flowers on paper and were first made in Italy in the 15th Century. If properly conserved, they can last for hundreds of years. Stored at the ...

The tradition of saving remnants of plants dates back hundreds of years through the use of herbarium sheets. Plants are said to be collected, flattened and dried between sheets of paper ...

The tradition of saving remnants of plants dates back hundreds of years through the use of herbarium sheets. Plants are said to be collected, flattened and dried between sheets of paper, a process ...