Invasive Weed Species Identification Book

Palo Corona Regional Park

Monterey Peninsula Regional Park District

Table of Contents

Weed Species Identified in Palo Corona

Common Name Scientific Name Page crofton weed Ageratina adenophora 3 plume acacia Albizia lophantha 4 black mustard Brassica nigra 5 Italian thistle Carduus pycnocephalus 6 hottentot-fig Carpobrotus edulis 7 tocalote Centaurea melitensis 8 bull thistle Cirsium vulgare 9 poison hemlock Conium maculatum 10 jubata grass Cortaderia jubata 11 silverleaf cotoneaster Cotoneaster pannosa 12 cape ivy Delairea odorata 13 foxglove Digitalis purpurea 14 pride of Madeira Echium candicans 15 erect veldtgrass Ehrharta erecta 16 blue gum Eucalyptus globulus 17 fennel Foeniculum vulgare 18 French broom Genista monspessulana 19 English ivy Hedera helix 20 yellowflag iris Iris pseudacorus 21 Bermuda buttercup Oxalis pes-caprae 22 kikuyu grass Pennisetum clandestinum 23 harding grass Phalaris aquatica 24 wild radish Raphanus sativus 25 Himalayan blackberry Rubus armeniacus 26 cutleaf fireweed Senecio glomeratus 27 milk thistle Silybum marianum 28 common mullein Verbascum thapsus 29 periwinkle Vinca major 30

Early Detection Weed Species Known from the Vicinity

Common Name Scientific Name Page Russian knapweed Acroptilon repens 31 barb goatgrass Aegilops triuncialis 32 fertile capeweed Arctotheca calendula 33 sterile capeweed Arctotheca prostrata 33 giant reed Arundo donax 34 perennial false-brome Brachypodium sylvaticum 35 woolly distaff thistle Carthamus lanatus 36 purple starthistle Centaurea calcitrapa 37 diffuse knapweed Centaurea diffusa 38 spotted knapweed Centaurea maculosa 39 yellow starthistle Centaurea solstitialis 40 rush skeletonweed Chondrilla juncea 41 artichoke thistle Cynara cardunculus 42 Scotch broom Cytisus scoparius 43 common and Fuller's Dipsacus fullonum & D. teasel sativus 44 stinkwort Dittrichia graveolens 45 purple veldtgrass Ehrharta calycina 46 medusahead Elymus caput-medusae 47 common St. John's wort Hypericum perforatum 48 perennial pepperweed Lepidium latifolium 49 Spanish broom Spartium junceum 50 gorse Ulex europaeus 51

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