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How to Manage Pests
UC Pest Management Guidelines
Pear
Weed Photo Gallery,
with common and scientific names
(Reviewed 2/07,
updated 3/08)
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In this Guideline:
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More about weeds in Pear:
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Common names link to pages with weed descriptions and photos, up to 100K, often showing several stages of development.
| Common Name |
Scientific Name |
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| asparagus |
Asparagus officinalis |
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| barley, hare | Hordeum murinum ssp. leporinum |
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| barnyardgrass | Echinochloa crus-galli |
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| bermudagrass |
Cynodon dactylon |
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| bindweed, field |
Convolvulus arvensis |
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| blackberries |
Rubus
spp. |
|---|
| bluegrass, annual |
Poa annua |
|---|
| bromegrasses |
Bromus
spp. |
|---|
| burclover, California |
Medicago polymorpha |
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| canarygrass |
Phalaris canariensis |
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| chickweed, common |
Stellaria media |
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| clover, white |
Trifolium repens |
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| cockleburs |
Xanthium
spp. |
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| crabgrass, large |
Digitaria sanguinalis |
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| cudweeds |
Gnaphalium
spp. |
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| dallisgrass |
Paspalum dilatatum |
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| dandelion |
Taraxacum officinale |
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| dock, curly |
Rumex crispus |
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| false dandelion, Carolina |
Pyrrhopappus carolinianus |
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| fiddlenecks |
Amsinckia
spp. |
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| filarees |
Erodium
spp. |
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| fleabane, hairy |
Conyza bonariensis |
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| foxtails |
Setaria
spp. |
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| goosefoot, nettleleaf |
Chenopodium murale |
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| groundsel, common |
Senecio vulgaris |
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| henbit |
Lamium amplexicaule |
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| horseweed |
Conyza canadensis |
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| johnsongrass |
Sorghum halepense |
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| knotweed, common |
Polygonum arenastrum |
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| ladysthumb |
Polygonum persicaria |
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| lambsquarters, common |
Chenopodium album |
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| lettuce, prickly |
Lactuca serriola |
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| lovegrasses |
Eragrostis
spp. |
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| mallow, little (cheeseweed) |
Malva parviflora |
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| miner's lettuce |
Claytonia perfoliata |
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| mustards |
Brassica
spp. |
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| nettles |
Urtica
spp. |
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| nightshades |
Solanum
spp. |
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| nutsedge, yellow |
Cyperus esculentus |
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| oat, wild |
Avena fatua |
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| pigweeds |
Amaranthus
spp. |
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| pineapple-weed |
Chamomilla suaveolens |
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| poison-oak, Pacific |
Toxicodendron diversilobum |
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| polypogon, rabbitfoot |
Polypogon monspeliensis |
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| puncturevine |
Tribulus terrestris |
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| purslane, common |
Portulaca oleracea |
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| radish, wild |
Raphanus raphanistrum |
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| Redmaids (desert rockpurslane) |
Calandrinia ciliata |
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| rocket, London |
Sisymbrium irio |
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| ryegrass, Italian |
Lolium multiflorum |
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| sandburs |
Cenchrus
spp. |
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| shepherd's-purse |
Capsella bursa-pastoris |
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| smartweed, pale |
Polygonum lapathofolium |
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| sorrel, red |
Rumex acetosella |
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| sowthistles |
Sonchus
spp. |
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| speedwells |
Veronica
spp. |
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| spurges |
Chamaesyce
spp. |
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| sweetclover, yellow |
Melilotus officinalis |
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| thistle, Russian |
Salsola tragus |
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| tomatillo |
Physalis
sp. |
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| witchgrass |
Panicum capillare |
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![[UC Peer Reviewed]](/IMAGES/logo-ucpeerreviewed.jpg)
UC IPM Pest Management Guidelines: Pear
UC ANR Publication 3455
Weeds
R. B. Elkins, UC Cooperative
Extension Lake County
W. T. Lanini, Weed Science/Plant Sciences, UC Davis
Acknowledgment for contributions to Weeds:
C. L. Elmore, Vegetable Crops/Weed Science, UC Davis
G. T. McGourty, UC Cooperative Extension Mendocino County
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