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Polystichum
1799Holly Fern
Summary
Polystichum is a genus of ferns in the family Dryopteridaceae, subfamily Dryopteridoideae, according to the Pteridophyte Phylogeny Group classification of 2016 (PPG I). The genus has about 500 species and has a cosmopolitan distribution. The highest diversity is in eastern Asia, with about 208 species in China alone; the region from Mexico to Brazil has at least 100 additional species; Africa (at least 17 species), North America (at least 18 species), and Europe (at least 5 species) have much lower diversity. Polystichum species are terrestrial or rock-dwelling ferns of warm-temperate and montane-tropical regions (a few species grow in alpine regions). They are often found in disturbed habitats such as road cuts, talus slopes, and stream banks....read more on Wikipedia.
517 Polystichum species found, including:
Polystichum acrostichoidesChristmas Fern3Polystichum aculeatumHard Shield-Fern1Polystichum anomalum2Polystichum brauniiBraun's Holly FernPolystichum chilense2Polystichum decoratum2Polystichum imbricansNarrowleaf Swordfern2Polystichum lonchitisHolly FernPolystichum microchlamysAttu Hollyfern2Polystichum montevidense3Polystichum multifidum2Polystichum munitumWestern Sword FernPolystichum neozelandicumBlack Shield Fern2Polystichum ohmurae2Polystichum ovatopaleaceum3Polystichum platyphyllumFlatleaf Hollyfern3Polystichum rhizophyllumTailed Holly Fern2Polystichum scopulinumMountain HollyfernPolystichum setiferumSoft Shield FernPolystichum triangulum2
Climate
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Natural Climate
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Natural Habitat
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Observations
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Traditional Uses
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