Interrupted fern |
Osmunda claytoniana |
Osmunda |
Osmundaceae (Royal fern) |
Osmundales |
Pteridophyta |
Basal; Opposite (leaflets) |
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Lanceolate; Lanceolate (leaflets) |
>12"; >1" (leaflets) |
Pinnate (2Cut); Parted (leaflets) |
Entire |
Acute; Rounded (lobe) |
Acute; Truncate (leaflets) |
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Forked |
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fertile leaves (fern) |
Brown |
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Along stem |
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Spore (moss, clubmoss, fern) |
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Green |
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Fern |
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Erect; Assurgent (ascending at an angle) |
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Forest |
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Royal fern |
Osmunda regalis |
Osmunda |
Osmundaceae (Royal fern) |
Osmundales |
Pteridophyta |
Basal; Alternate (leaflets) |
Petiole short (<1/2 leaf length) (leaflets) |
Lanceolate;Oblong (leaflets) |
>12" |
Pinnate (2Cut); Whole (leaflets) |
Entire |
Rounded (leaflets) |
Rounded (leaflets) |
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fertile leaves (fern) |
Brown |
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Terminal |
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Spore (moss, clubmoss, fern) |
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Green |
Summer |
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Fern |
>1' |
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Wetland; Riparian |
ME - Lake Rockabema |