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Ferns and Horsetails (Monilophytes)
Clubmosses and Quillworts (Lycophytes)
Equisetum telmateia  •  Great Horsetail
Equisetum telmateia Ehrh.; Great Horsetail
Great Horsetail, Oxford Botanic Gardens, July
Mature stem. Oxfordshire, early June. Upper part of mature plant. Oxfordshire, early June.
Lower part of mature plant. Oxfordshire, early June. Stem of immature plant with developing branches. Oxforshire, late May
Stem of developing plant showing nodes. Oxfordshire, late May Node. Oxfordshire, late May
Top branches, mature plants. Oxford Botanic Gardens, July Developing branches, immature plant. Oxfordshire, late May
Fertile stems with cones. Oxfordshire, April Fertile stems with cones. Oxfordshire, April
Fertile stems with cones; remains of previous year's sterile stems in the background. Oxfordshire, April Fertile stems with cones. Cultivated plants, Oxford Botanic Gardens, May
Cone. Oxfordshire, April Section through stem, immature plant. Oxfordshire, June
Sterile stem emerging. Oxfordshire, April Young plant. Oxfordshire, late May
Immature plant. Oxfordshire, late May Immature plant. Oxfordshire, late May
Oxfordshire, late May Oxfordshire, late May
Oxfordshire, late May Roadside, waste ground. Oxfordshire, June
Oxfordshire, July Yorkshire, late July
Yorkshire, late July Yorkshire, late July
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