Table 18.2 Alien plant species recorded in different types of natural and semi-natural plant
communities/Natura 2000 habitats
Invasive species
Plant community (Natura 2000
habitat type)
Qualitative Index
Amaranthus
blitoides
Artemisietum maritimae (1530*)
AD + À1, F 50 %
Amaranthus
blitum subsp.
emarginatus
Eleocharidetum acicularis (3130)
AD +, F 100 %
Ambrosia
artemisiifolia
1: Hordeo murini-Cynodontetum
(1530*);
1:AD + À1; 2:AD +
2: Juncetum maritimi (1410)
Amorpha
fruticosa
1: Atripliceto hastatae – Cakiletum
euxinae (1210);
1: AD +; 2: AD + -4; 3: AD + -3; 4:
AD +; 5: AD +; 6: AD +; 7: AD +,
F 10 %;
2: Salicetum albae (91E0*);
3: Rubo caesii – Salicetum cinereae;
4: Salicetum triandrae;
5: Calamagrostio epigejiHippophae ¨tum rhamnoidis
(2160);
6: Argusio-Petasitetum spuriae
(2130*);
7: Elymetum gigantei (2110)
Azolla filiculoides Lemno-Hydrocharitetum morsusranae (3150), Lemno-Salvinietum
natantis (3150) and LemnoAzolletum carolinianae (3150)
coverage of water surface up to 85 %
Conyza
canadensis
1: Elymetum gigantei (2110);
1:AD + À1, F 60 %; 2:AD +; 3:
AD + .
2: Convolvuletum persici (1210);
3: Plantaginetum coronopi (2110);
4: Argusio-Petasitetum spuriae
(2130*)
Elaeagnus
angustifolia
1: Elymetum gigantei (2110);
1: AD +; 2: AD +; 3: AD + À4; 4: AD
+;
2: Plataginetum coronopi (2110);
3: Juncetum maritimi (1410);
4: Calamagrostio epigeiHippophae ¨tum rhamnoides
(2160)
Elodea nuttallii
Ceratophylletum demersii (3150)
AD + À2
Euphorbia
maculata
1: Plantaginetum coronopi (2110);
1: AD + À2; 2: AD +;
2: Trifolio fragifero-Cynodontetum
(1530*)
Lindernia dubia Dichostylido michellianaeGnaphalietum uliginosi (3130);
AD +
Symphyotrichium
ciliatum
1: Argusietum sibiricae (1210);
1: AD +; 2: AD +;
2: Acorelletum pannonici (1310);
(continued)
270
M. Doroftei and P. Anastasiu