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Table III

Mean percent cover (± standard error [SEM]) of plant species in the beech forests for which the percent cover exceeded 2%.

Plant species Cover % Frequency
(mean ± SEM)
Trees

Betula celtiberica L. 3.3 ± 3.3 2
Castanea sativa Miller 3.6 ± 3.6 1
Fagus sylvatica L. 94.9 ± 12.3 7
Quercus robur L. 7.0 ± 3.9 4

Shrubs

Corylus avellana L. 2.1 ± 1.9 3
Crataegus monogyna Jacq. 2.3 ± 1.2 5
Ilex aquifolium L. 2.3 ± 1.2 4
Rubus sp. 3.9 ± 1.9 4
Vaccinium myrtillus L.* 1.4 ± 0.5 4

Ferns

Pteridium aquilinum (L.) Kuhn 2.6 ± 1.5 4

Herbs

Geranium robertianum L.* 0.6 ± 0.2 4
Oxalis acetosella L.* 0.8 ± 0.3 4
Poaceae 17.6 ± 10.1 7
Veronica officinalis L.* 0.2 ± 0.1 4
*

Indicates a species that was included because of its high frequency.