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thedegreeofestablishmentofthespecies.Thusagrestophyteshavebeendi-
videdintoagrestoepoecophytes(established)andagrestoephemerophytes(not
established),andergasiophyteshavebeendividedintoergasioepoecophytes(es-
tablished)andergasioephemerophytes(notestablished).Accordingtothisap-
proach,
ephemerophytes
discussed
hereunder
would
correspond
to
agrestoephemerophytes.
Itcanbenoticedthatthedifferencesbetweenparticularclassificationsresult
aboveallfromdifferentorderofthedivisioncriteriausedandfromdifferent
importanceassignedtothembyparticularauthors.However,ineachcase
ephemerophyteshavebeenplacedamongthespecieswhicharenotperma-
nentlyestablishedorhavebeenbroughtoccasionally.
Presently,accordingtotheclassificationofsynanthropicplantsadoptedin
Poland(TRZCIŃSKA-TACIK1979;KORNAŚ,MEDWECKA-KORNAŚ2002)ephemero-
phytesandergasiophytes(speciesescapingfromcultivation)constitutethejoint
groupofnotestablishedspecies(diaphytes).
2—Occurrence...