KEY TO NEW ENGLAND PTERIDOPHYTES

to navigation page

Pteridophytes are vascular plants that reproduce by spores.

They have no flowers or seeds, and are generally larger than mosses.

 

 

Plants aquatic; leaves linear, in clumps; spores in swollen leaf bases†††††††††††††††††††††††††††† - IsoŽtes

 

 

Stems jointed, fluted, usually hollow; small leaves form sheath at nodes;

spores in terminal strobilus ††††††††††††††††††††††††††††††††††††††††††††††††††††††††††† †††††††††††††††††† - Horsetails

 

 

Leaves small; spores of two sizes, on terminal strobilus with flattened sides*†††††††† - Selaginellas

 

 

Small needle-like leaves; spores at leaf axil†††††††††††††††††††††††††††††††††††††† ††††††††† †††††††† †††††††- Club-mosses

 

 

Leaves expanded, with forking veins; spores on leaf††††††††††††††††††††††† †††††††††††††††††† - Ferns

 

 

 

 

back to Fern Page

 

 

 

Don Lubin†††††† mailto:donlubin@comcast.net†††††† 617-254-8464†††††† http://nefern.info/†††††† 4'05