Untitled - Specii Invazive

to this goup ofplants (BADEA 1963; CHTtuLA 1968; Macrophaneroph)4€; PhN - Nanophanerophlte; T -CosrEA 1998; SNrEA 1972; SprRrDoN 1970 €!c_1. Theroph),te; TH - Hemitheroph],te.Way ofintroduction: a accidental;d de_Materials and methodsliberate, da: both situation.A comprehenssive database has been done. Abundance: s: single locality; r:rdre; scThis contains all alien platrts, archaeoph]tes as well = scattered; rg: regional; la = locally abundant; c :as neophytes, registered until now in Romada. The common;se: one locality or more, but the plant hasdata were obtained from literatue, herbada sheets not been signalled for more than 50 years.and as a result ofo1,111 lield observations along many lnvasive status: c : casual (an alien plantyears. For each taxon we registered: family, life that reproduces occasionally in an aaea, butrcquiresfbrm, origin, time of immigntion, Romanian dislriburion{on histofic region). abundance, in\asive umlized (an alien plant that reproduces constantlyrepetitive introductions for its persistence); n = nar-status, type ofhabitats where the species have been and sustains populations over several life cyclesidentified, way of introduction, the impact on naturalecosystems, the economic impact, the author(s) alien plant that produces reproductive offspring, of_without direct human intervention); i = invasive (anand the year for the first mention in our country. The ten m large numbers, at co$iderable distances fiomnomenclature of species follows Flom Europaea the parental plants and over large areas).(TurrN etal. 1993; TurN etal. 1964-1980) and Flora Impact on natural €cosystems: nc un_Romaniei (SA\arLEscu 1952-1976).Known; pi - potentially invasive; i invasive.The terminology and definitions recom_ Economic impact: d - harmful; nd - notmerded by RTCHARDSoN et at. (2000) and pysEK et hamtul; pd - potentially harmful.al. (2004) were used to establish the status of alien It must be mentioned that, generally, the ap_pla s rn our count4/.preciahons of degree of nahfalization and ilvasrvcnessare subjective, as well as the appreciations onIn the final lisr ofneophltes wedidn,t includesome species mentioned as subspontaneous in the impact, depending of our perception related withpast, but unconfrmed by herbaria sheets, as well these phenomena.as some eroneously indicated species: Cdler vrl_pinoidea, Euphorbia heterophylta snbsp. grunntl-Results and discussionsJolia, Euphorbia oblongata, Galliun venatosum, Romania is situated in Southeasfcente ofLinaria ai-vensis, Ranw\culus margindtus, Totpis Europe, at the halfdistance between Atlantic Oceanbaibata, Digitaia cilliar"ir. Also, we excluded from and Ural Mountains, as well as at the halfdistancethe F,nalist Lathra,a ,lar./pslir?4. a natr\ e spec;es betw€en Equator and Nofth pole.in the West and Southwest of Euope, signalled from The main foms ofreliefare: mountains (Car_Romania in 1911 by a newspaper Instead, we includedspecies as rvlnphaea lotus, Ile, aquifotium, Carpathian Hills), plateaux (The plateau of Tran-pathian Mountains, MAcin Mountains), hills (sub_Etu this bremalis, Chionodoxa lucitiae, Scilta si silvania, Getic Plateau, The plateau of Moldova,berica, Sophora jaubertji, considering them culture The Plateau of Dobrogca) and plains (West plain,relics.Romanian Plain, The Plain of Moldavia). The hydrogaphicalnet is very rich, with large rivers as:We used following abreviations:Origi[:Af-Afrioa;Am Amedca;As Asia; Mure$, Olt, Sfuet, Prut. The frain river Danube -En Euope; Eua Eurasia; Cauc Caucasus; Anat borders the South of the cotmtly and, at the flow- Anatolia; Cs Cosmopolite; Cb Circumboreal; nto Black Sea, forms a unique Delta, declared Bio_Temp - Temperate; Trop Tropical; Ct Continen_ sphere Reseffe,tal;Med Mediterranean;Srn Submediterranean; The climate is temperate-continental, withPt Pontic; N - North; E East; S-South; W some sub-Meditenanean influences in South andWest; C Centre (cenkal).Southeast, continental influencesEast andAtlanticinfluencesthe West.Distribution iD Romania (histodc regions):T Transilvania; B Banat; Cr Crigana; MM Tte native flora of Romania counts aboutMararnureq; O Oltenia; Mu Muntenia; Mo 3900 t!-xa, species and subspecies. Romania hasMoldova; D - Dobrogea; DD - Danube Delra. also a wide ranges of habitats: coastal and halo_Life form: Ch Chamaephytae; c Ceophlte;H Hemicq?tophlte; HH - Helohydrcperateheath and scrub, natural and semi-natLrmlphytic habitats, sea dunes, freshwater habitats, temphyte;PhEp Epiphlt€; phl,i Liana; phM - grasslands, bogs, rocky habitats and caves, coniferousand deciduous forests_