U30
Iberian meso- to thermo-Mediterranean hardwood alluvial forests (Fraxinus angustifolia subsp. angustifolia, Ulmus minor) in combination with willow and poplar alluvial forests (Populus alba, Salix atrocinerea, Salix x rubens, Rubia tinctorum, partly Tamarix gallica)
Description
a) Hardwood alluvial forests of summer-green broad-leaved trees (Fraxinus angustifolia, Ulmus minor) with a summer-green shrub layer on episodically and shortly flooded alluvial plain soils and a species-rich herb layer consisting of hemicryptophytes and geophytes, of which many are photophilous.
b) poplar softwood alluvial forests and willow scrub at the regularly flooded river banks.
U30a: Hardwood alluvial forest
U30b: Softwood alluvial forest
Tree Layer
U30a: Fraxinus angustifolia subsp. Angustifolia (Ash), Ulmus minor (Elm), (Fraxinus excelsior only in the north and isolated in mountains) (Ash);
U30b: Populus alba (White Poplar), Salix atrocinerea (Crack Willow), Alnus glutinosa (along small rivers) (Common Alder)
Shrub Layer
U30a: Sambucus nigra (Elder), Crataegus monogyna (Hawthorn), Frangula alnus (Alder Buckthorn), Rosa sempervirens (English Elm Bush), Rosa canina (English Elm Bush);Alder, Willow and Downy Willow saplings
U30b: Salix atrocinerea (Crack Willow), Salix salviifolia (White Willow Bush), Tamarix gallica (Tamarisk), Tamarix africana (Tamarisk)
Alder, Willow and Downy Willow saplings
Lianas
Tamus communis (ivy-variant trees), Lonicera periclymenum subsp. hispanica (English Elm Bush), Vitis vinifera subsp. sylvestris (Fruiting Bramble), Hedera helix (ivy-variant trees), Bryonia dioica, Rubia tinctorum
Herb Layer
Brachypodium sylvaticum (lush_grass), Arum italicum (sweet_woodruff), Iris foetidissima (greater_wood_rush), Ranunculus ficaria (wild_parsley), Lithospermum purpurocaeruleum (greater_wood_rush), Vinca difformis (sweet_woodruff), Acanthus mollis
Lefnui River, in western Gondor
