Image and description of the Interrupted Fern. ... Interrupted fern gets its name from the brown fertile leaflets, which "interrupt" the green sterile leaflets on the larger fronds.
www.ct-botanical-society.org/ferns/osmundaclay.html www.ct-botanical-society.org/ferns/osmundaclay.html
Osmunda claytoniana - Wikipedia, the free encyclopedia
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Osmunda claytoniana ( Interrupted Fern ) is a fern native to eastern North America and eastern Asia. In eastern North America it occurs from southern Manitoba, Ontario, Quebec (up to the tree lin...
en.wikipedia.org/wiki/Osmunda_claytoniana
A PLANTS profile of Osmunda claytoniana (interrupted fern) from the USDA PLANTS database ... Osmunda claytoniana L. interrupted fern; ... Osmundaceae – Royal Fern family...
plants.usda.gov/java/profile?symbol=OSCL2
A nice grove of Interrupted Fern in the forest. It's a real treat to come across such a large patch of this living fossil. The fossil record for this species goes back 200 million years, making it the oldest known fern species still living in the world!
ontarioferns.com/main/species.php?id=4017 ontarioferns.com/main/species.php?id=4017
Complete description of the interrupted fern (Osmunda claytoniana) including plant information and identification of a Interrupted Fern. ... The Interrupted Fern is easily found in nurseries, garden stores and other plant dealers and distributors. It can be propagated by Container, Cuttings and Sprigs. It has a Slow ability...
www.gardenguides.com/plants/plant.asp?symbol=OSCL2
Osmunda claytoniana Linnaeus; interrupted fern; Family:Osmundaceae ... Osmunda claytoniana is a large fern with a conspicuously clumped growth form and fronds often approaching 1 meter in length (0.5-1.0). Mature fertile fronds are unique in our flora, with several pairs of medium to dark brown fertile pinnae inserted...
www.uwgb.edu/biodiversity/herbarium/pteridophytes/osmcl... www.uwgb.edu/biodiversity/herbarium/pteridophytes/osmcla01.htm
Cinnamon ferns grows in wet and swampy areas, whereas the interrupted fern prefers dry areas ... Cinnamon fern leaflets are pointed, wherease those of the interrupted fern are rounded...
www.bio.brandeis.edu/fieldbio/nasimg/Cinn&Intercompar.h... www.bio.brandeis.edu/fieldbio/nasimg/Cinn&Intercompar.html
Economically, the roots and rhizomes of Osmunda species are the source of a fibre (osmundine, or Osmunda fibre) used as a growing medium for orchids and other epiphytes. The interrupted fern is popular as a greenhouse plant.
www.borealforest.org/ferns/fern13.htm www.borealforest.org/ferns/fern13.htm
Fertile Fronds with 2-4 pairs of greatly reduced, sporangia-bearing pinnae that wither early, giving appearance of no middle pinnae (hence, "interrupted" fern).
www.rook.org/earl/bwca/nature/ferns/osmundaclay.html www.rook.org/earl/bwca/nature/ferns/osmundaclay.html
Interrupted Fern; Osmunda claytoniana ... In this fern the 3-4 foot tall fronds or leaves have sterile green leaflets interrupted with small, brown, fertile spore-bearing leaflets. It is a close relative of the Cinnamon Fern (Osmunda cinnamomomea). Both produce green spores that germinate ... Interrupted Fern, May 12...
www.museum.appstate.edu/kimmem/ferns/pages/interrupted.... www.museum.appstate.edu/kimmem/ferns/pages/interrupted.html