ASPIDIACEAE
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publication ID |
https://doi.org/10.5281/zenodo.302862 |
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persistent identifier |
https://treatment.plazi.org/id/1213417E-FFC7-FFC5-CA7D-FC4C4D75CDE7 |
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treatment provided by |
Plazi |
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scientific name |
ASPIDIACEAE |
| status |
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XIX. ASPIDIACEAE 2
Rhizomes dictyostelic, with opaque scales. Petioles with 5-7 vascular strands; rhachis grooved, interrupted to admit grooves of costae . Sori superficial; spores bilateral.
1 Indusium absent; rhizome long, slender 3. Gymnocarpium 1 Indusium present(though sometimes caducous); rhizome stout
2 Indusium peltate 1. Polystichum 2 Indusium reniform 2. Dryopteris
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