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Natural Resources: Weeds

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Subject Scientific Name Images
aeginetia Aeginetia spp. 2
African mile-a-minute Mikania cordata 4
alfombrilla Drymaria arenarioides 4
alligatorweed Alternanthera philoxeroides 1
annual sowthistle Sonchus oleraceus 2
arrowhead Sagittaria sagittifolia 2
arrowleaved monochoria Monochoria hastata 5
Asiatic dayflower Commelina communis 3
barbwire Russian-thistle Salsola paulsenii 1
Benghal dayflower Commelina benghalensis 4
branched broomrape Orobanche ramosa 2
branched burreed Sparganium erectum 4
broadleaf buttonweed Spermacoce alata 4
broomrape Orobanche loricata 2
bull thistle Cirsium vulgare 1
California arrowhead Sagittaria montevidensis 1
California broomrape Orobanche californica 2
Canada thistle Cirsium arvense 4
cape tulip Homeria spp. 1
Chinese sprangletop Leptochloa chinensis 3
climbing hempweed Mikania scandens 2
clover dodder Cuscuta epithymum 2
clustered broomrape Orobanche fasciculata 2
coat buttons Tridax procumbens 4
common cowparsnip Heracleum maximum 1
common crupina Crupina vulgaris 4
cowpea witchweed Striga gesnerioides 2
creeping croftonweed Ageratina riparia 2
crenate broomrape Orobanche crenata 2
croftonweed Ageratina adenophora 4
desert broomrape Orobanche cooperi 2
duck-lettuce Ottelia alismoides 4
ducksalad Heteranthera limosa 3
Egyptian broomrape Orobanche aegyptiaca 2
false buttonweed Spermacoce articularis 1
field bindweed Convolvulus arvensis 5
field dodder Cuscuta pentagona 3
flax dodder Cuscuta epilinum 2
Geraldton carnation weed Euphorbia terracina 3
giant hogweed Heracleum mantegazzianum 2
giant mealie witchweed Striga forbesii 2
goatsrue Galega officinalis 5
hoary cress Lepidium draba 5
ivy broomrape Orobanche hederae 2
Japanese dodder Cuscuta japonica 3
largeseed dodder Cuscuta indecora 3
leafy spurge Euphorbia esula 6
limnophila Limnophila sessiliflora 4
Mediterranean saltwort Salsola vermiculata 7
miramar weed Hygrophila polysperma 3
monochoria Monochoria vaginalis 6
nodding broomrape Orobanche cernua 2
onionweed Asphodelus fistulosus 7
orbicular whitetop Lepidium chalepense 6
perennial sowthistle Sonchus arvensis 6
purple witchweed Striga hermonthica 2
Russian knapweed Rhaponticum repens 4
Russian thistle Salsola kali 2
Russian-thistle Salsola tragus 3
safflower Carthamus tinctorius 2
sessile joyweed Alternanthera sessilis 2
silverleaf nightshade Solanum elaeagnifolium 5
slender false buttonweed Spermacoce tenuior 1
small broomrape Orobanche minor 3
smallseed alfalfa dodder Cuscuta approximata 2
spiny emex Emex spinosa 1
swamp dodder Cuscuta gronovii 3
three-cornered jack Emex australis 1
turkeyberry Solanum torvum 4
wild safflower Carthamus oxyacanthus 3
witchweed Striga asiatica 3
witchweed Striga aspera 2
witchweed Striga euphrasioides 2
ye gu Aeginetia indica 3
yellowspine thistle Cirsium ochrocentrum 1
yerba de hierro Melasma melampyroides 4

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