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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30 OPHIOGLOSSACEAE 0 6 5 0 9.3 OPHIOGLOSSUM LUSITANICUM 0 100 I Kilometres Mks 9 CHANNEL GLANDS PLOT TED ON 0 Wv UTM GRID 9 1 100 t;Z:r 9.3 Ophioglossum lusitanicum L. 0 1 2 3 4 9 9 8 2 fl fifi 6 A Mediterranean and south Atlantic species which reaches its northernmost station in Britain (Isles of Scilly). As the plant is evident between November and February only, dying down completely during the rest of the year, it may have been overlooked in S.W. Ireland. 8 Ni 0 7 5 HX HW 1 2 3 4 5 6 N2 4 6 0 5 4 2 1 0

OSMUNDACEAE 0 6 0 10.1 OSMUNDA REGALIS Royal Fern moo s G-IANNEL GLANDS ow 04 0000o *00 9 PLOTTED ON 0 wv UTM GRID Kilometres .6* 100 - 9 8 0 2 so S. S. 1 d8 100 1 2 3 4 Meets 0 9 0 :: r 0 .. .. : .... .. .0 0 ... ...... .... 0 8 0 *8° 0 01 0 g .0 i. _ 10 055 0 °,4, " 0 g S ‘-' I. 4110 0041100 411 414* 0 00 ii0 oe 0. 0 8 0 0 08. 0 0 00 0 0 O *co 0 000000 0 SOO 000 00 00 0411 0 0 .00 0 .0 0. 1 8 4 o o 9 8 N1 0 7 5 0 : :WS 1 2 3 4 5 6 10.1 Osmunda regalis L. A sub-Atlantic species reaching the northern limit of its natural distribution in Zetland (v.c. 112). It is a species often removed from the wild and introduced into gardens, from which spores spread naturally, thus its native occurrence in some parts of Britain is difficult to assess. Its distribution shows that it prefers a high rainfall. It is a feature of western bogs which receive considerable base cations from salt-laden winds. Further inland it is characteristic of valley mires. N2 4 6 0 6 5 4 1 0 31 3 2

30 OPHIOGLOSSACEAE<br />

0<br />

6<br />

5<br />

0<br />

9.3<br />

OPHIOGLOSSUM<br />

LUSITANICUM<br />

0 100<br />

I<br />

Kilometres<br />

Mks<br />

9<br />

CHANNEL GLANDS<br />

PLOT TED ON 0 Wv<br />

UTM GRID<br />

9<br />

1<br />

100<br />

t;Z:r<br />

9.3 Ophioglossum lusitanicum L.<br />

0 1 2 3 4<br />

9 9<br />

8<br />

2<br />

fl fifi 6<br />

A Mediterranean and south Atlantic species which reaches its<br />

northernmost station in Britain (<strong>Isles</strong> of Scilly). As the plant is<br />

evident between November and February only, dying down<br />

completely during the rest of the year, it may have been overlooked<br />

in S.W. Ireland.<br />

8<br />

Ni<br />

0<br />

7 5<br />

HX<br />

HW<br />

1 2 3 4 5 6<br />

N2<br />

4 6<br />

0<br />

5<br />

4<br />

2<br />

1<br />

0

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