Equisetum Arvense Collection

Common horsetail spore, SEM
Common horsetail spore. Coloured scanning electron micrograph (SEM) of a spore of a common horsetail (Equisetum arvense) plant

Spores of field horsetail
False colour scanning electron micrograph of spores of the field horsetail, Equisetum arvense. The horsetail is the only living type of a primitive family of plants, the Sphenopsids

Equisetum arvense, the field horsetail or common horsetail
Illustration of a Equisetum arvense, the field horsetail or common horsetail

Field Horsetail -Equisetum arvense-, Bavaria, Germany

Sterile shoot of Field Horsetail -Equisetum arvense-, Kaiserstuhl, Baden-Wurttemberg, Germany

Wildflowers. 1. Dandelion 2. Rough Sowthistle 3. Common Horsetail 3a. Barren Shoot Of The Common Horsetail 4. Hair Moss 5. A Moss 6. Bog Moss 7. A Lichen Iceland Moss 8. Fungus, Toadstool

Low angle view of Field Horsetail (Equisetum arvense), Sint-Jansberg, Plasmolen, Limburg, The Netherlands - Part of the Dutch Jungle series with which Jowan Iven won the title Nature Photographer of

USA, Washington, Seabeck. Dew drops on horsetail plant
USA, Washington State, Seabeck. Dew drops on horsetail plant. Credit as: Don Paulson / Jaynes Gallery / DanitaDelimont

Horsetail tea, organic tea

Fertile spore-bearing stem of a Field Horsetail or Common Horsetail -Equisetum arvense-, Switzerland

Field Horsetail (Equisetum arvense), illustration Biology: Botany, Plants

Horsetail - Equisetum arvense (Equisetum longius) by Leonhart Fuchs from De historia stirpium commentarii insignes
Herbal, 16th century. Leonhart Fuchs (1501-1566), De historia stirpium commentarii insignes (Notable Commentaries on the History of Plants), 1542

Horsetail spores (Equisetum arvense) SEM
Horsetail spores (Equisetum arvense) coloured scanning electron micrograph (SEM). The tendrils or elaters as they are known

Horsetail spore, SEM
Horsetail spore. Coloured scanning electron micrograph (SEM) of a spore of a horsetail (Equisetum arvense) plant. Spores (round) bear elaters (helical)

Field horsetail stems and cones
Field horsetail (Equisetum arvense) stems and cones. These are fertile stems, bearing a structure called the cone or strobilus

LM of biogenic silica in horsetail
Light micrograph of a section of the horsetail Equisetum arvensis showing internal deposits of silica (the yellow features)

Spore of field horsetail
False colour scanning electron micrograph of spores of the field horsetail, Equisetum arvense. The horsetail is the only living type of a primitive family of plants, the Sphenopsids

Common horsetail stem, light micrograph
Common horsetail stem. Light micrograph of a cross-section through the tip of the condensed stem of the common horsetail (Equisetum arvense), showing the central stem sourrounded by stem leaves

Common horsetail (Equisetum arvense)
Common horsetail plant (Equisetum arvense) with fertile cones. Photographed in spring

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Equisetum arvense, commonly known as field horsetail or common horsetail, is a fascinating plant species. Its spores, as seen under the scanning electron microscope (SEM), showcase intricate patterns and structures. These spores are responsible for the reproduction of this ancient plant. Found in various regions such as Bavaria, Germany and Washington State, USA, field horsetail thrives in diverse environments. In Germany's Kaiserstuhl region and Seabeck, Washington, dew drops delicately adorn the stems of these plants, creating a mesmerizing sight. Field horsetail has been documented throughout history by botanists like Leonhart Fuchs in his book 'De historia'. This further highlights its significance and interest among researchers and nature enthusiasts alike. In natural habitats like the Swamp trail of Tiger Mountain in Issaquah, Washington State, common horsetails can be spotted alongside other wildflowers including dandelions and rough sowthistles. The barren shoots of this plant add an intriguing element to the surrounding landscape. Not only does field horsetail contribute to the beauty of its surroundings but it also plays a vital role within ecosystems. It provides habitat for various organisms while serving as an indicator species for wetland health. The resilience and adaptability make it a remarkable botanical specimen worth exploring further. Whether observing its SEM images or encountering it firsthand on nature trails around the world; this ancient plant never fails to captivate with its unique characteristics.