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frond underside showing sori (the singular form is sorus)--each of these sori contains a group of sp...
frond--the fronds are very large in this species
Thelypteris palustris List of Pteridophyta Preview of Pteridophyta Plants
habit
T helypteris noveboracensis New York fern Photograph(s) by USFWS BES Characteristics Height: 1-2.5' ...
B illedet må anvendes til ikke kommercielle formål i uredigeret tilstand. Ved køb fjernes logoet fra...
...to form the fronds. Each secondary set of "frondlets" has its own mini-fiddlehead!
Thelypteris palustris marsh fern Photograph(s) by UWI RWF Characteristics Height: 2-3' Flowers: Frui...
Photo © Carl Farmer 16 Sep 2001 Broadford, Skye Frequent in woods and on shady stream banks. Pinnae ...
In the valley Psilotum Huperzia phlegmaria (Lycopodium phlegmaria) Vittaria spp. Cyathea nigricans (...
...the fiddlehead simply needs to unravel and expand...
Fern Thelypteris palustris
fiddlehead--this is how fronds start! The whole frond is present in the fiddlehead...
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B illedet må anvendes til ikke kommercielle formål i uredigeret tilstand. Ved køb fjernes logoet fra...
New York Fern creates a lush groundcover that just makes you want to go and lay down in it! Utterly ...
22.09.2005, Suwalszczyzna copyright © by Maciej Romański
This map is a visual representation of the county distribution of each taxon in the Southeastern Uni...
New York Fern creates a lush groundcover that just makes you want to go and lay down in it! Utterly ...
This map is a visual representation of the county distribution of each taxon in the Southeastern Uni...
Thelypteris or river fern is native to central Texas and increasingly used as an ornamental.
Thelypteris simulata
New York Fern creates a lush groundcover that just makes you want to go and lay down in it! Utterly ...
This map is a visual representation of the county distribution of each taxon in the Southeastern Uni...
Copyright by : George D. Gann Other data on Thelypteris interrupta available from
Underside of a fertile leaflet, showing the kidney-shaped sori (spore-bearing dots). Note that the l...
© Graham Day
Marsh fern growing in a cranberry bog. Only sterile fronds are present.
This map is a visual representation of the county distribution of each taxon in the Southeastern Uni...
This map is a visual representation of the county distribution of each taxon in the Southeastern Uni...