nl, agglomeratie leiden en bollenstreek, calamagrostis epigejos, rubus caesius, urtica dioica, holcus lanatus, cynoglossum officinale, poa pratensis, carex arenaria, solanum dulcamara, luzula campestris, glechoma hederacea, crataegus monogyna, salix repens, eupatorium cannabinum, ligustrum vulgare, moehringia trinervia, jacobaea vulgaris, agrostis capillaris, cirsium palustre, cirsium arvense, agrostis stolonifera, hippophae rhamnoides, betula pubescens, phragmites australis, festuca rubra, senecio sylvaticus, poa trivialis, lycopus europaeus, lonicera periclymenum, sambucus nigra, galium palustre, hydrocotyle vulgaris, cerastium semidecandrum, galium verum, cirsium vulgare, juncus articulatus, cardamine hirsuta, quercus robur, potentilla reptans, veronica officinalis, festuca filiformis, veronica arvensis, bryonia dioica, ranunculus repens, lythrum salicaria, eleocharis palustris, rosa blondaeana, rosa canina, salix cinerea, galium aparine, fallopia convolvulus