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Spore Capsule Collection

The spore capsule, also known as the sporangium, is a fascinating structure found in various plants such as Ceratodon purpureus moss, ferns, clubmosses, and liverworts

Background imageSpore Capsule Collection: Ceratodon purpureus, ceratodon moss spore capsule

Ceratodon purpureus, ceratodon moss spore capsule
Scanning electron microscope (SEM) image of a ceratodon moss spore capsule (x 650 on a standard 9 cm wide print)

Background imageSpore Capsule Collection: Fern frond, light micrograph

Fern frond, light micrograph. Transverse section through the frond of a fern (Cyrtomium falcatum), showing the sporangia. At left is a central vascular bundle (meristele)

Background imageSpore Capsule Collection: Clubmoss cone, light micrograph

Clubmoss cone, light micrograph. Longitudinal section through the cone (strobilus) of the clubmoss Lycopodium clavatum. The strobilus consists of a central axis (purple)

Background imageSpore Capsule Collection: Liverwort spore capsule, light micrograph

Liverwort spore capsule, light micrograph. Longitudinal section through the thallus and sporangium of a liverwort (Jungammania sp.) The sporangium (spore capsule)

Background imageSpore Capsule Collection: Moss spore capsule, light micrograph

Moss spore capsule, light micrograph
Moss spore capsule, polarised light micrograph. Longitudinal section through a spore capsule from a fire moss (Funaria hygrometrica)

Background imageSpore Capsule Collection: Fern spore capsule, light micrograph

Fern spore capsule, light micrograph
Fern spore capsule, polarised light micrograph. Transverse section through the spororocarp (spore capsule) of the water fern pillwort (Pilularia globulifera)

Background imageSpore Capsule Collection: Liverwort spore case, light micrograph

Liverwort spore case, light micrograph
Liverwort spore case. Light micrograph of a vertical section through a spore case (sporophyte) from a liverwort (Pellia epiphylla)

Background imageSpore Capsule Collection: Liverwort spore cases, light micrograph

Liverwort spore cases, light micrograph
Liverwort spore cases. Light micrograph of a cross-section through five spore cases (sporophytes) from the liverwort Conocephalum conicum (Marchantiales)

Background imageSpore Capsule Collection: Fern spore cases, light micrograph

Fern spore cases, light micrograph
Fern spore cases. Polarised light micrograph of a frond of the maidenhair fern (Adiantum capillus- veneris), showing the sporangia (black, centre left) which contain the ferns spores


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The spore capsule, also known as the sporangium, is a fascinating structure found in various plants such as Ceratodon purpureus moss, ferns, clubmosses, and liverworts. These capsules play a crucial role in the reproductive cycle of these plants. In Ceratodon purpureus moss, the spore capsule is an essential part of its life cycle. It contains numerous spores that are released into the environment to ensure the survival and dispersal of this species. When observed under a light micrograph, one can marvel at the intricate details and unique shape of this moss spore capsule. Similarly, fern fronds possess specialized structures called sporangia that house their spore capsules. Under a light micrograph, these fern sporangia appear as tiny clusters or dots on the underside of fronds. Each sporangium holds countless microscopic spores that will eventually be dispersed to give rise to new fern individuals. Clubmoss cones also exhibit remarkable spore capsules when examined under a light micrograph. These cone-shaped structures contain numerous sporophylls which bear sporangia responsible for producing and releasing clubmoss spores into their surroundings. Liverworts are another group of plants with intriguing spore capsules. Their unique architecture can be observed through light micrographs where liverwort sporophytes display elongated stalks topped with rounded cases containing precious reproductive cells - their own version of liverwort's "sporangium. " Mosses also have distinctively shaped and structured spore capsules visible under a light microscope. These small but mighty containers hold immense potential for future growth and colonization by releasing vast quantities of minute moss spores into their surroundings.