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Scarica il numero in pdf - Biblioteca digitale - Provincia di Cremona

Scarica il numero in pdf - Biblioteca digitale - Provincia di Cremona

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Bromus hordeaceus . . . . . . . + . . . . . . . . . . . . .<br />

Veronica arvensis . . . . . . . + . . . . . . . . + 1 . . .<br />

Abut<strong>il</strong>on theophrasti . . . . . . . . . . 1 + . . . . . . . . .<br />

Sorghum halepense . . . . . . . . . . 1 + . . . . . . . . .<br />

Solanum nigrum . . . . . . . . . . . 1 . . . . . . . . .<br />

Amaranthus lividus . . . . . . . . . . . 1 . . . . . . . . .<br />

Valerianella locusta . . . . . . . . . . . . + . . . . . . . .<br />

Lamium purpureum . . . . . . . . . . . . + . . + . . . . .<br />

Stellaria me<strong>di</strong>a . . . . . . . . . . . . + . . . + + . . +<br />

Oxalis fontana . . . . . . . . . . . . . + . . . . . . .<br />

Cirsium arvense . . . . . . . . . . . . . . + 2 . 2 . . .<br />

Papaver dubium . . . . . . . . . . . . . . . . . + . . .<br />

Polygonum persicaria . . . . . . . . . . . . . . . . . . . + .<br />

Vicia hirsuta . . . . . . . . . . . . . . . . . . . + .<br />

Artemisietea<br />

Erigeron annuus . . . . . + + + + . . . + . . . . . . . .<br />

Lactuca serriola . . . . . + 1 . 1 . . . . + . . + . . . .<br />

Equisetum arvense . . . . . . . + . . . . . . . . . . 1 . .<br />

Phytolacca americana . . . . . . . . . 1 . . . . . . . . . . .<br />

S<strong>il</strong>ene alba . . . . . . . . . . . . . . + . . . . . .<br />

Me<strong>di</strong>cago lupul<strong>in</strong>a . . . . . . . . . . . . . . . . + . . . .<br />

Agropyron repens . . . . . . . . . . . . . . . . 1 1 . . .<br />

Ambrosia artemisiifolia . . . . . . . . . . . . . . . . 1 + + . .<br />

Galio-Urticetea<br />

Myosoton aquaticum . . . . . . + . . . . . . . . . . . . . .<br />

Calystegia sepium . . . . . . . . . + . . . . . . . . . . .<br />

Galium apar<strong>in</strong>e . . . . . . . . . . . . 2 1 + 1 . . . . .<br />

Urtica <strong>di</strong>oica . . . . . . . . . . . . . + + . . . . . .<br />

Artemisia verlotorum . . . . . . . . . . . . . + + . 1 1 . . .<br />

Humulus scandens . . . . . . . . . . . . . . . . 1 1 . . .<br />

Compagne<br />

Poa trivialis . . . . . 1 + 1 + . . . + + + 1 1 1 . . 1<br />

Rumex obtusifolius . . . . . + . + . . . . 1 . + . . . . . .<br />

Coltivate<br />

Oryza sativa 2 3 2 3 3 . . . 1 . . . . . . . . . . . .<br />

Zea mays . . . . . . . . . 4 4 2 . . . . . . . . .<br />

Populus x canadensis (A) . . . . . . . . . . . . 4 3 4 4 . . . . .<br />

Triticum aestivum . . . . . . . . . . . . . . . . 4 3 . . .<br />

Hordeum hesastychium . . . . . . . . . . . . . . . . . . 5 5 .<br />

Lolium multiflorum . . . . . . . . . . . . . . . . . . . . 5<br />

“Specie spora<strong>di</strong>che: r<strong>il</strong>. 92 (Lemna m<strong>in</strong>uta +); r<strong>il</strong>. 98 (Lemna m<strong>in</strong>uta 1; Najas m<strong>in</strong>or 1); r<strong>il</strong>. 100 (Lemna m<strong>in</strong>or 1; Lemna m<strong>in</strong>uta +; Najas m<strong>in</strong>or +); r<strong>il</strong>. 101 (Paspalum paspaloides +); r<strong>il</strong>. 95<br />

(Equisetum palustre 1); r<strong>il</strong>. 7 (Arenaria serpyllifolia +; Lolium perenne +; Poa annua 1; Polygonum arenastrum +); r<strong>il</strong>. 8 (Plantago major +; Rorippa austriaca 1); r<strong>il</strong>. 9 (Arrhenatherum elatius<br />

+; Plantago major +; Poa annua 1; Polygonum arenastrum +); r<strong>il</strong>. 12 (Hypochoeris ra<strong>di</strong>cata +; Lolium perenne +; Taraxacum offic<strong>in</strong>ale +); r<strong>il</strong>. 96 (Cynodon dactylon 1); r<strong>il</strong>. 97 (Cynodon dactylon<br />

2); r<strong>il</strong>. 22 (Poa annua +; Sambucus nigra (E) +); r<strong>il</strong>. 25 (Potent<strong>il</strong>la reptans +); r<strong>il</strong>. 35 (Rumex crispus +); r<strong>il</strong>. 36 (Poa annua +; Polygonum arenastrum +; Potent<strong>il</strong>la reptans +; Rumex crispus<br />

+); r<strong>il</strong>. 37 (Polygonum arenastrum +); r<strong>il</strong>. 38 (Lotus corniculatus +; Polygonum arenastrum +); r<strong>il</strong>. 33 (Alopecurus pratensis +; Ranunculus repens 1)”<br />

Tab. 3: r<strong>il</strong>ievi relativi alle cenosi <strong>in</strong>festanti i campi.<br />

29

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