Table S1. US and Australian Weed Risk Assessment scores for Smith et al. 2015. The US-WRA scores are broken into their components of
Establishment/Spread and Impact (see Figure 1 in Smith et al. 2015 for composite risk scores).
US- WRA
Designation
Agronomic
invasives
Agronomic
crops
Bioenergy
crops
Scientific name
Cannabis sativa
Cynodon dactylon
Dactylis glomerata
Elymus repens
Imperata cylindrica
Pennisetum clandestinum
Phalaris aquatica
Pueraria montana
Schedonerus arundinaceus
Sorghum halepense
Avena sativa
Brassica napus
Glycine max
Gossypium hirsutum
Hordeum vulgare
Linum usitatissinum
Medicago sativa
Nicotiana tabacum
Oryza sativa
Saccharum officinarum
Secale cereale
Solanum tuberosum
Triticum aestivum
Zea mays
Arundo donax
Camelina sativa
Miscanthus sacchariflorus
Miscanthus sinensis
Miscanthus × giganteus (sterile)
Common name
marijuana
bermudagrass
orchardgrass
quackgrass
cogongrass
kikuyugrass
Harding grass
kudzu
tall fescue
johnsongrass
oats
canola
Soybean
cotton
barley
flax
alfalfa
tobacco
rice
sugarcane
rye
potato
wheat
corn
giant reed
camelina
Amur silvergrass
maiden grass
giant miscanthus
Establishment
/spread
11
14
12
15
13
18
11
13
11
29
9
11
-5
-1
12
0
13
0
13
4
16
5
9
-6
Impact
1.3
2.7
1.7
2.6
4.4
2.0
1.6
3.6
2.8
3.4
1.1
2.5
1.0
1.1
2.9
2.5
2.4
1.2
2.8
1.1
2.8
2.3
2.0
2.2
9
8
6
14
0
3.1
2.6
2.3
2.9
1.1
A-WRA
Result
Evaluate further
High Risk
High Risk
High Risk
High Risk
High Risk
Evaluate further
High Risk
High Risk
High Risk
Evaluate further
High Risk
Low Risk
Low Risk
High Risk
Evaluate further
High Risk
Low Risk
High Risk
Evaluate further
High Risk
Evaluate further
Evaluate further
Low Risk
High Risk
Evaluate further
Evaluate further
High Risk
Low Risk
Secondary
Screening
High Risk
n/a
n/a
n/a
n/a
n/a
High Risk
n/a
n/a
n/a
Evaluate further
n/a
n/a
n/a
n/a
Evaluate further
n/a
n/a
n/a
Evaluate further
n/a
Evaluate further
Evaluate further
n/a
n/a
Evaluate further
High Risk
n/a
n/a
Score
11
17
13
17
25
22
22
21
17
34
10
13
-5
-2
15
7
23
3
16
4
19
12
19
-1
10
17
19
28
3
Result
Reject
Reject
Reject
Reject
Reject
Reject
Reject
Reject
Reject
Reject
Reject
Reject
Accept
Accept
Reject
Reject
Reject
Evaluate further
Reject
Evaluate further
Reject
Reject
Reject
Accept
Reject
Reject
Reject
Reject
Evaluate further
Miscanthus × giganteus (fertile)
Panicum virgatum
Sorghum bicolor
Pennisetum purpureum
Phalaris arundinaceae
Saccharum spontaneum
Thlaspi arvense
Eucalyptus globulus
Jatropha curcas
Paulownia tomentosa
Robinia pseudoacacia
Triadica sebifera
giant miscanthus
switchgrass
energy sorghum
elephant grass
reed canarygrass
sugarcane
field pennycress
Tasmanian blue gum
Barbados nut
princesstree
black locust
Chinese tallow
6
9
22
7
12
16
13
11
10
8
11
10
1.1
1.6
3.9
3.0
2.6
2.8
2.7
3.2
1.6
2.4
2.3
2.7
Evaluate further
Evaluate further
High Risk
Evaluate further
High Risk
High Risk
High Risk
High Risk
Evaluate further
Evaluate further
High Risk
High Risk
Evaluate further
Evaluate further
n/a
High Risk
n/a
n/a
n/a
n/a
High Risk
High Risk
n/a
n/a
10
14
26
21
17
24
17
20
22
12
17
15
Reject
Reject
Reject
Reject
Reject
Reject
Reject
Reject
Reject
Reject
Reject
Reject