Atlas Of Ferns Of The British Isles
Atlas Of Ferns Of The British Isles
Atlas Of Ferns Of The British Isles
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ATHYRIACEAE 71<br />
0<br />
6<br />
5<br />
23.2<br />
GYMNOCARPIUM<br />
ROBERTIANUM 9<br />
Limestone Fern<br />
CHANNEL ISLANDS<br />
Kilometres<br />
Mies<br />
9<br />
PLOT TED ON 0 wv<br />
UTM GRID<br />
100<br />
100<br />
8<br />
0<br />
9 0<br />
°<br />
1;Z:1<br />
2<br />
1 2 3<br />
0 0<br />
1 2 3 4 5<br />
05<br />
o<br />
.6)<br />
0<br />
9<br />
8<br />
0<br />
N1<br />
0<br />
7<br />
5<br />
23.2 Gymnocarpium robertianum<br />
(Hoffm.) Newm.<br />
So<br />
N2<br />
(<strong>The</strong>lypteris robertiana (Hoffm.) Slosson)<br />
A continental species restricted by substrate (limestone) rather<br />
than climate although obviously requiring the shelter of scree<br />
or grykes for establishment. It is a species that has become<br />
naturally established in artificial habitats in urban areas and on<br />
disused railway platforms or sidings in the east of England.<br />
<strong>The</strong>re are outliers on karst limestone in v.cs 88, 108, and H26.<br />
4<br />
6<br />
0<br />
6<br />
5<br />
4<br />
3<br />
2<br />
1
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