Description ²

• Leaves/stem: sterile stem; green, whorled branches that are spreading, often arching, further branched making them appear lacy, leaves; reduced to a toothed sheath that surrounds the stem, sheath slightly inflated in lower half and constricted some just below teeth
• Spores: Fertile stems; blunt-tipped, 1 to 1½ inch cone at the tip of the stem, initially pale pink to brownish and no branches, but after the spores are released stem resembles sterile stems
• Fruiting season: Mid-late spring
• Height: 10-28 inches
• Habitat: shady woods and woodland edges

Sources and Credits

1. (c) Alinja, some rights reserved (CC BY-SA), http://commons.wikimedia.org/wiki/File:Equisetum_sylvaticum_mets%C3%A4korte.jpg
2. (c) Minnesota Scientific and Natural Areas, 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)
• NatureServe Explorer 2.0
• NBN Atlas
• 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

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