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Atlas Of Ferns Of The British Isles

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EQUISETACEAE 19<br />

0<br />

7<br />

6<br />

5<br />

0<br />

7.3x7<br />

®EQUISETUM<br />

0<br />

FLUVIATILE X<br />

CHANNEL ISLANDS<br />

PALUSTRE<br />

Kdometres<br />

pnik.<br />

9<br />

PLOT TED ON 0 wv<br />

UTM GRID<br />

100<br />

1<br />

100<br />

9<br />

8<br />

0<br />

9 0<br />

2<br />

1 2<br />

1 2<br />

7.3 x 7 Equisetum fluviatile X palustre<br />

A single population found in 1962 in Harris, v.c. 110 (see<br />

C.N.Page, Br. Fern Gaz., 9: 118-120; 1963 and J.G.Duckett &<br />

C.N.Page, in C.A.Stace (ed.) loc. cit.: 100). It is<br />

morphologically intermediate between the parents but<br />

superficially more like E.palustre than the other putative<br />

parent. It may also be confused with E. x litorale but the length<br />

3<br />

3<br />

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