Table 6 Characterization of the investigated plant material (feral oilseed rape; OSR) and its sampling sites.

B. napus

# 70

1-8

15

Lower Austria, Lassee

railway embankment

Feral

# 71

1-8

25

Burgenland, Podersdorf

along a wet river bank

Populations

# 74

1-8

30

Lower Austria, St. Pölten

verge of a motorway

# 80

1-8

20

City of Vienna

excavated soil in front of a new building

# 84

1-8

25

Vienna, Danube Island

excavated soil

#118

1-8

30

Lower Austria, Pfaffstätten

traffic island

#128

1-8

several 100s

Burgenland, Rohr im Burgenland

approximately five year old fallow

#154

1-8

30

Lower Austria, Hexenbühel

loess embankment

B. napus

#111

1

small

Upper Austria, Enns

road verge in front of a petrol station

Single

Feral Plants

#130

1

30

Burgenland, Rohr im Burgenland

maize field (volunteer)

#132

1

single plant

Burgenland, Rohr im Burgenland

field margin, 10 m next to an OSR field

#148

1

big

Styria, near Großlobming

bean field (volunteer)

#149

1

single plant

Styria, Großlobming

road verge

#150

1

very big

Styria, Großlobming

ripe OSR field, second blossoming

#153

1

<50

Lower Austria, Hexenbühel

fallow

#156

1

5

Upper Austria

road embankment

#159

1

15

Vienna, Danube Island

sidewalk verge

#166

1

several

Upper Austria, near

Schärding

strawberry field

#167

1

5

Upper Austria, near

Stuben

road verge adjacent to

a maize field

#169

1

several

Upper Austria, near

Eggerding

field (volunteer)

#170

1

5

Upper Austria, near

Forchtenau

road verge