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11 Cards in this Set
- Front
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Order: Lycopodiales Family: Lycopodiaceae (Club moss) |
Terrestrial or epiphytic. 5-20 cm tall with dichotomously branching stems. Leaves are microphylls, densely covering stem. No ligule present. Homosporous spores |
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Order: Lycopodiales Family: Selaginellaceae (Spike moss) |
Mostly terrestrial. Herbaceous, perennial plants under 2 cm tall. Stems dichotomously branch. Leaves are microphylls and often 4-ranked on the branches. Dimorphic (anisophyllous) leaves. Ligule is present. Heterosporous spores. |
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Order: Isoetales Family: Isoetaceae (Quillwort) |
Aquatic or semi-aquatic. Underground corm. Leaves are hollow and quill-like with a ligule. Heterosporous. |
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Order: Equisetales Family: Equisetaceae (Horsetail) |
Terrestrial to aquatic. Perennials. Stems to 8 m in height, usually under 1 m. Nodes swollen and joint-like. Stem grooved externally with air canals internally. Leaves whorled and fused into sheaths. Terminal strobilus with homosporous spores, containing elators. |
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Order: Psilotales Family: Psilotaceae (Whisk fern) |
Terrestrial, often epiphytic. Roots absent, anchored by subterranean stems. Stems erect and dichotomously branched. Scale-like leaves spirally arranged. Tri-lobed sporangia sessile on stem. Homosporous spores. |
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Order: Ophioglassales Family: Ophioglassaceae (Adder’s-tongue fern) |
Terrestrial. Stems unbranched, mostly underground. One photosynthetic leaf, pinnately compound. Multiple spore-bearing stalks (sporophores). Homosporous spores. |
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Order: Osmundales Family: Osmundaceae (Royal fern) |
Terrestrial. Stems branched, and covered by persistent leaves. Leaves 0.5-2 m long, 1x-3x pinnately compound. Sporangia in loose clusters on fertile portions of leaf. Homosporous. |
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Order: Salviniales Family: Marsileaceae (Water-clover) |
Plants aquatic, with floating leaves or rooted into mud. Leaves are long-petioled with the blade divided into 2 or 4 leaflets. Heterosporous. |
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Order: Cyatheales Family: Cyatheaceae (Scaly tree fern) |
Stems usually a single, erect trunk. 20 m tall. Leaves scaly and pinnately or bipinnately compound. Homosporous. |
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Order: Polypodiales Family: Pteridaceae (Maidenhair fern) |
Terrestrial or epiphytic. Petiole with persistent scales at base. Leaf blades are simple and 1-6 pinnate. Reflexed leaf margin. Homosporous. |
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Order: Polypodiales Family: Aspleniaceae (Spleenwort) |
Terrestrial, epiphytic, or growing on rocks. Leaf blades simple, 4 pinnate. Sori elongated, and restricted to one side of the leaf vein. |
