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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ASPIDIACEAE<br />
0<br />
6<br />
5<br />
0<br />
27.4<br />
DRYOPTERIS<br />
REMOTA<br />
UTM GRID<br />
Kkenstres<br />
mass<br />
9<br />
9<br />
CHANNEL GLANDS<br />
PLOT TED ON 0<br />
WV<br />
41'<br />
soo<br />
100<br />
0<br />
8<br />
2<br />
1 2<br />
27.4 Dryopteris remota (A.Br.) Druce<br />
1 2<br />
An apogamous species probably originating from the hybrid<br />
between D.expansa and D.pseudomas could be expected where<br />
these species grow together. It is, however, rare. Plants brought<br />
into cultivation as Lastrea 'boydii' from Loch Lomond appear<br />
to be this species but it has not been seen in the wild this century.<br />
<strong>The</strong> two Irish specimens are even more perplexing as D.expansa<br />
is so far not recorded from Ireland; both records (Glen Flesk ,<br />
v.c. H2 and Dalystown, v.c. H15) need refinding (see<br />
3 4<br />
9<br />
8<br />
N1<br />
0<br />
4505;<br />
Zs<br />
N2<br />
7<br />
4<br />
5 6<br />
A.C.Jermy & S.Walker, in C.A.Stace (ed.). loc.cit.: 115). It is<br />
known however, that in Europe D.remota occurs in the absence<br />
of either of the above species and probably does not now arise<br />
de novo from hybridisation.<br />
<strong>The</strong> hybrid D.austriaca x pseudo mas recorded as D. x woynarii<br />
Rothm. from Lochinver, v.c. 108, in A.C.Jermy & S.Walker, in<br />
C.A.Stace (ed.) loc. cit.: 115; 1975, is now considered to be<br />
doubtfully of that parentage and more likely D. x ambrosiae.<br />
87