Fissidens taxifolius
“yew-leaved fork moss”

Fissdens taxifolius photo by Bob Klips

Fissidens taxifolius in a wooded ravine in Cuyahoga County, Ohio.

Fissidens taxifolius photo by Bob Klips

Fissidens taxifolius in a wooded ravine at Batelle Darby Metro Park, Franklin County, Ohio. November 9, 2014.

Fissidens taxifolius photo by Bob Klips

Fissidens taxifolius sporophytes.
Batelle Darby Metro Park. November 9, 2014.

Fissidens taxifolius photo by Bob Klips

Fissidens taxifolius at Buzzardroost Rock, Adsams County, Ohio. October 4, 2014.

Fissidens taxifolius leaf tip.

Fissidens taxifolius leaf tip.

How to recognize Fissidens taxifolius The fork mosses (genus Fissidens) are among the most distinctive of all bryophytes. Fissidens leaves, instead of being arranged in the typical tight spiral fashion, are strictly two-ranked. Moreover, the base of each leaf is split lengthwise, and forms two flap-like extensions that clasp the base of the leaf above it. This configuration, as it is reminiscent of the manner in which an equestrian’s legs clasp the horse being ridden, is termed “equitant.” The species taxifolius is fairly robust, and its leaves end in a prominent projecting tip, the extension of the midrib (costa). The leaf margin is crenulate and sometimes toothed toward the leaf tip, and the leaf cells are strongly mammillose and bulging.

Where to find Fissidens taxifolius: Yew-leaved fork moss is an especially common and widespread moss, found on bare soil in wooded areas.

Fissidens-taxifolius-simplemap

 

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