Thelypteris simulata
Massachusetts Fern
size
cut
decid.
garden
ID tips
Spherical glands on underside of frond (need lens)
Rachis and upper stipe green
Lower pinnae narrow towards rachis
Thelypteris hairs edge of pinules; veins don't fork
where Endemic, northeastern N America
edges of swamps, wet sphagnum bogs
ME
NH
Comment
First reported in 1894 from population near Ponkapoag Pond, MA