HERBARIUM
OF
YALE UNIVERSITY

Yale University Herbarium

YU.017351

PTERIDOPHYTA BRITANNICA

EX HERBARIO MUSEI BRITANNICI

Dryopteris carthusiana (Villar)H.P. Fuchs

Vice-county 27, EAST NORFOLK: Horsey parish, 27 km NE of Norwich.

Grid Reference: 63(TG)/472234

Altitude: 3 m

In open shallow hollows behind coastal sand dunes with *Hydrocotyle, Juncus effusus, Carex nigra, Deschampsia flexuosa* and *Rubus fruticosus*, in highly humified and well-drained peat with a little wind-blown sand.

Forming tussocks 50-60 cm across, of 40 or more crowns. Rhizome ascending; lamina segments convex (exposure effect?), yellow-green.

18 July 1969

Coll. & det.: A.C. JERMY

No. 6658