Non-native Plant

Origanum

Origanum

perennial

subshrub

Non-native Plant

Origanum

Origanum heracleoticum

perennial

forb

Non-native Plant

False Seaonion

Ornithogalum caudatum

perennial

forb

Non-native Plant

Cat’s-whiskers

Orthosiphon aristatus

perennial

forb

Non-native Plant

Egyptian Broomrape

Orobanche aegyptiaca

perennial

forb

Non-native Plant

St. Thomas Lidpod

Operculina turpethum var. ventricosa

perennial

vine

Non-native Plant

Old World Adderstongue

Ophioglossum pendulum pendulum

perennial

forb

Non-native Plant

Old World Adderstongue

Ophioglossum pendulum falcatum

perennial

forb

Non-native Plant

Lilyturf

Ophiopogon jaburan

perennial

forb

Non-native Plant

Ophiopogon

Ophiopogon

perennial

forb

Non-native Plant

Sainfoin

Onobrychis viciifolia

perennial

forb

Non-native Plant

Bull Cottonthistle

Onopordum tauricum

biennial

forb

Non-native Plant

Spiny Restharrow

Ononis spinosa

perennial

subshrub

Non-native Plant

Common Restharrow

Ononis repens

perennial

forb

Non-native Plant

Sainfoin

Onobrychis

perennial

forb

Non-native Plant

Illyrian Cottonthistle

Onopordum illyricum

biennial

forb

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