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Description: | Equisetum belongs to group of plants that reproduce using spores, called the Sphenopsids, They had stems with joints and long leaves that grew from the stem at these joints. The group was most common in the Carboniferous period (about 300 million years ago), but they were also quite common in the Jurassic period. Some species still survive today (the 'horsetail' plant, often cursed as a weed by gardeners). The specimen shows four joints of a stem that has been replaced by sandstone. | License: | http://www.imagine.org.uk/about/copyright/ | Rights holder: | Tyne & Wear Museums | Subjects: | fossils natural world | Source: | Tyne and Wear Imagine | Identifier: | http://www.imagine.org.uk/details/index.... | Go to resource |
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