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BobOsborn: Asplenium ruta-muraria (Wall Rue) - 1 - plant
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BobOsborn: Asplenium ruta-muraria (Wall Rue) - 2a - single frond upper surface
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BobOsborn: Asplenium ruta-muraria (Wall Rue) - 2b - single frond underside
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BobOsborn: Asplenium ruta-muraria (Wall Rue) - 3 - macro of sori with spores
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BobOsborn: Asplenium trichomanes (Maidenhair Spleenwort)
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BobOsborn: Athyrium filix-femina (Lady Fern) - 2 - frond
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BobOsborn: Ceterach officinarum (Rustyback Fern) - 1 - plant
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BobOsborn: Ceterach officinarum (Rustyback Fern) - 2a - frond upper surface
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BobOsborn: Ceterach officinarum (Rustyback Fern) - 2b - frond under surface
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BobOsborn: Dryopteris affinis (Western Scaly Male Fern) - 1 - plants
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BobOsborn: Dryopteris affinis (Western Scaly Male Fern) - 2a - frond
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BobOsborn: Dryopteris affinis (Western Scaly Male Fern) - 2b - frond underside
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BobOsborn: Dryopteris affinis (Western Scaly Male Fern) - 3a - pinnae
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BobOsborn: Dryopteris affinis (Western Scaly Male Fern) - 3b - pinnae underside
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BobOsborn: Dryopteris filix-mas (Male Fern) - 04 - unfurling frond
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BobOsborn: Dryopteris filix-mas (Male Fern) - 1 - plant
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BobOsborn: Dryopteris filix-mas (Male Fern) - 2 - frond
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BobOsborn: Dryopteris filix-mas (Male Fern) - 3a - pinnae upper surface
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BobOsborn: Dryopteris filix-mas (Male Fern) - 3b - pinnae underside
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BobOsborn: Dryopteris filix-mas (Male Fern) - 3c - pinnae underside with sori
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BobOsborn: Ophioglossum vulgatum (Adder's-Tongue) - 01a - plants in habitat - SPOT THE ADDER'S-TONGUE
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BobOsborn: Ophioglossum vulgatum (Adder's-Tongue) - 01b - plants in habitat - ADDER'S-TONGUE SPOTTED
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BobOsborn: Ophioglossum vulgatum (Adder's-Tongue) - 03 - plants
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BobOsborn: Ophioglossum vulgatum (Adder's-Tongue) - 06 - leaf and spore-bearing stalk
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BobOsborn: Ophioglossum vulgatum (Adder's-Tongue) - 13 - macro of spore-bearing stalk
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BobOsborn: Phyllitis scolopendrium (Hart's-Tongue Fern) - 1 - plants
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BobOsborn: Phyllitis scolopendrium (Hart's-Tongue Fern) - 1b - plant
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BobOsborn: Phyllitis scolopendrium (Hart's-Tongue Fern) - 2a - underside of frond showing sori
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BobOsborn: Phyllitis scolopendrium (Hart's-Tongue Fern) - 2b - macro of ripe sori
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BobOsborn: Polypodium vulgare (Common Polypody) - 1a - plants