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

Both collections document plants newly cultivated in Europe. Like many of the mounted specimens of George Clifford's herbarium sheets, prepared in the 1730s, these two appear to be growing out of ...

The key information to note on a herbarium sheet is when and where it was collected ... If you're trying to press a bulkier plant, add extra paper and card to ensure that every part of the plant and ...

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