Summary ²

Dryopteris erythrosora, the autumn fern, Japanese wood fern, or copper shield fern, is a species of fern in the family Dryopteridaceae, native to east Asia from China and Japan south to the Philippines, growing in light woodland shade on low mountains or hills. It is semi-evergreen, with bipinnate fronds 30–70 cm (12–28 in) tall by 15–35 cm (6–14 in) broad, with 8-20 pairs of pinnae. The fronds have a coppery tint when young, but mature to dark green.

分布 ³

日本産シダ植物標準図鑑の分布図によると、本州全土。
青森県、岩手県、秋田県、長野県では局所的。

Sources and Credits

1. (c) harum.koh, some rights reserved (CC BY-SA), uploaded by harum.koh
2. Adapted by harum.koh from a work by (c) Wikipedia, some rights reserved (CC BY-SA), https://en.wikipedia.org/wiki/Dryopteris_erythrosora
3. (c) harum.koh, some rights reserved (CC BY-SA)

More Info

• iNat taxon page
• Biodiversity Heritage Library
• BOLD Systems BIN search
• eFloras.org
• Flora of North America (beta)
• Global Biodiversity Information Facility (GBIF)
• Go Botany
• HOSTS - a Database of the World's Lepidopteran Hostplants
• IPNI (with links to POWO, WFO, and BHL)
• Maryland Biodiversity Project
• NatureServe Explorer 2.0
• SEINet Symbiota portals
• Tropicos
• USDA PLANTS database
• VASCAN by Canadensys
• World Flora Online
• 日本のレッドデータ検索システム
• 植物和名−学名インデックス YList

iNat Map