Pteridophytes 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

Scots pine forest extending up to natural tree line, with bracken (Pteridium aquilinum) in foreground, Rothiemurchus, Cairngorms NP, Scotland, UK, September 2011

Great horsetail (Equisetum telmateia) close-up of stem, Poloniny National Park, Western Carpathians, Eastern Slovakia, Europe, June 2009. WWE BOOK. WWE INDOOR EXHIBITION

Bracken (Pteridium aquilinum) amongst Bluebells (Hyacinthoides non-scripta / Endymion non-scriptum) Hallerbos Belgium, April 2009

Female whinchat (Saxicola rubetra) perched on bracken frond, Denbighshire, Wales, UK, June

Recently burnt heathland, showing new Bracken growth (Pteridium aquilinum), Caesars Camp, Fleet, Hampshire, England, UK, May

Giant horsetail (Equisetum telmateia), Catcott Lows SWT reserve, Somerset Levels, England, UK, April. 2020VISION Book Plate

Male Fern (Dryopteris filix-mas) backlit among bluebell carpet. West Woods, near Marlborough, Wiltshire, UK, May

Bracken (Pteridium aquilinum) fresh leaves unfurling in spring, Beinn Eighe NNR, Highlands, NW Scotland, UK, May

Frond pattern of tree ferns (Cyathea arborea) in lowland tropical rainforest at 420 metres, Loma Quita Espuela Scientific Reserve, Dominican Republic

Unravelling Fern fronds (Unknown species). Near Nepenthes Field Camp, mid-altitude montane forest. Centre of Maliau Basin, Sabahs Lost World, Borneo

Autumnal bracken {Pteridium aquilinum} backlit, Exmoor National Park, Somerset, UK. October

Ferns, Moricsala Strict Nature Reserve, Moricsala Island, Lake Usma, Latvia, June 2009

Harts tongue fern (Asplenium scolopendrium) San Marino, May 2009

Halerbach / Haupeschbach flowing between large moss covered rocks with Male ferns (Dryopteris filix mas) growing, Beaufort, Mullerthal, Luxembourg, May 2009

Ferns in a valley, Pollino National Park, Basilicata, Italy, May 2009

Harts tongue fern (Asplenium scolopendrium) growing between rocks, Burren National Park, County Clare, Ireland, June 2009

Black maidenhair fern (Adiantum capillus veneris) with water falling past, near Kravice falls, Trebizat River, Bosnia and Herzegovina, May 2009

Close-up of Fern frond with spiders webs on it, Dlouhy Dul, Ceske Svycarsko / Bohemian Switzerland National Park, Czech Republic, September 2008

Fern frond, Dlouhy Dul, Ceske Svycarsko / Bohemian Switzerland National Park, Czech Republic, September 2008

RF- Backlit Fern (Philotum) growing among bluebells (Endymion nonscriptus). Lanhydrock, Cornwall, UK. May

Sporangia and spores of the male fern
Light micrograph of the sporangia (spore sacs) and spores of the male fern", Dryopteris filix-mas. The sporangia of Dryopteris are borne on the undersides of the leaf fronds in brown kidney

Picture No. 11074025
Marsh Clubmoss with fertile fronds on wet peat Studland, Dorset, UK

Hard Fern (Pellaea calomelanos) fronds, Royal Natal N. P. Drakensberg Mountains, KwaZulu-Natal, South Africa, November
Hard Fern (Pellaea calomelanos) fronds, Royal Natal N.P. Drakensberg Mountains, KwaZulu-Natal, South Africa, November

Hard Fern (Blechnum spicant) with fertile fronds, East Lyn River Valley, Exmoor N. P. Devon, England, October
Hard Fern (Blechnum spicant) with fertile fronds, East Lyn River Valley, Exmoor N.P. Devon, England, October

Rigid Buckler Fern (Dryopteris submontana) fronds, growing in limestone crevice, Maritime Alps, France, September

Hay-scented Buckler Fern (Dryopteris aemula) fronds, growing in woodland, East Lyn River Valley, Exmoor N. P
Hay-scented Buckler Fern (Dryopteris aemula) fronds, growing in woodland, East Lyn River Valley, Exmoor N.P. Devon, England, October

Intermediate Polypody (Polypodium interjectum) close-up of fertile frond, East Lyn River Valley, Exmoor N. P
Intermediate Polypody (Polypodium interjectum) close-up of fertile frond, East Lyn River Valley, Exmoor N.P. Devon, England, October

Bracken (Pteridium aquilinum) close-up of frond, changing to autumn colour, Kent, England, October

Forked Spleenwort (Asplenium septentrionale) leaves, growing on acid rock, Spanish Pyrenees, Spain, June

Southern Polypody (Polypodium australe) fronds, growing on bank, Picos de Europa, Cantabrian Mountains, Spain, March

Blue Ground-cedar (Lycopodium tristachyum) growing in woodland, Adirondack Mountains, New York State, U. S. A. October
Blue Ground-cedar (Lycopodium tristachyum) growing in woodland, Adirondack Mountains, New York State, U.S.A. October

Wood Horsetail (Equisetum sylvaticum) fertile frond, Powys, Wales, June

Field Horsetail (Equisetum arvense) two fresh shoots, Blashford Lakes Nature Reserve, Avon Valley, New Forest N. P
Field Horsetail (Equisetum arvense) two fresh shoots, Blashford Lakes Nature Reserve, Avon Valley, New Forest N.P. Hampshire, England, March

Ostrich Fern (Matteuccia struthiopteris) fronds, in autumn colour, growing beside stream in forest habitat, Muonio, Lapland, Finland, September

Southern Maidenhair Fern (Adiantum capillus-veneris) growing at native site on wet tufa, Anstey Cove, Torbay, Devon, England, July

Bracken (Pteridium aquilinum) mass growing on quartzite ridge and hill habitat, Stiperstones, Shropshire, England, August

Western Sword Fern (Polystichum munitum) fronds, growing in forest, Van Damme State Park, North California, U. S. A
Western Sword Fern (Polystichum munitum) fronds, growing in forest, Van Damme State Park, North California, U.S.A. February

Tunbridge Filmy Fern (Hymenophyllum tunbrigense) translucent fronds, Wakehurst Place, Sussex, England, February

Botany, Pteridophytes, Lycopods, Leaves and spores of the species of Lycopodium clavatum and Selaginella, illustration
Botany - Pteridophytes - Lycopods - Leaves and spores of the species of Lycopodium clavatum and Selaginella. Illustration

Fern (Salvinia sp. ) leaf hairs
Fern (Salvinia sp.) leaf hairs. Close-up of hair-like structures on the surface of a leaf from a floating fern (Salvinia sp.)

Keeled skimmer dragonfly. Female keeled skimmer (Orthetrum coerulescens) at rest on a bracken (Pteridium sp.) frond. Keeled skimmers are native to Europe

Ophioglossum vulgatum fern
Southern adders tongue (Ophioglossum vulgatum) fern. Photographed in Somerset, UK, in May

Polypody (Polypodium vulgare), artwork C016 / 3436
Common polypody (Polypodium vulgare), artwork

Bracken (Pteridium aquilinum), artwork C016 / 3425
Bracken (Pteridium aquilinum), artwork

Soft shield fern (Polystichum setiferum) C016 / 3402
Soft shield fern (Polystichum setiferum), artwork

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

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Pteridophytes, the ancient wonders of the plant kingdom, never cease to amaze us with their unique features and captivating beauty. From the microscopic view of common horsetail spores under a scanning electron microscope (SEM) to the delicate spores of field horsetail, these plants hold secrets waiting to be discovered. In a Scots pine forest that stretches up to the natural tree line, bracken (Pteridium aquilinum) gracefully spreads its fronds, adding a touch of elegance to nature's canvas. The great horsetail (Equisetum telmateia), found in Poloniny National Park within Western Carpathians, reveals its intricate stem structure when observed up close. Nature's harmony unfolds as a female whinchat perches on a bracken frond in Denbighshire, Wales. Meanwhile, recently burnt heathland showcases new growth of Bracken (Pteridium aquilinum) at Caesars Camp - an inspiring testament to resilience and regeneration. Giant horsetails stand tall in Catcott Lows SWT reserve within Somerset Levels. Their presence commands attention as they remind us of prehistoric times when dinosaurs roamed this Earth. The male fern (Dryopteris filix-mas), backlit among bluebell carpets in West Woods near Marlborough, creates an enchanting scene straight out of a fairy tale. And as spring arrives at Beinn Eighe NNR in Highlands, fresh leaves unfurl from bracken plants - signaling renewal and vitality. Venturing into lowland tropical rainforests at 420 meters above sea level unveils the mesmerizing frond pattern of tree ferns (Cyathea arborea). Each leaflet intricately weaves together like nature's own masterpiece. Finally, unravelling fern fronds captivate our imagination near Nepenthes Field Camp, their species unknown but their allure undeniable.