weed

Also known as weeds, plant weed, plant weeds

right|thumb|Weeds growing in the cracks of a concrete staircase (Epilobium roseum, [[Chelidonium majus, Oxalis corniculata, Plantago major)]]

AI overview

Weeds are plants that grow in unwanted places, such as in the cracks of pavement or other areas where they're not intended, as shown by species like willowherb, greater celandine, and plantain. They matter because they can interfere with human spaces and intended plantings, making weed management a common concern in gardening and landscaping.

AI-generated from the Wikipedia summary — may contain errors.

Research

12,795 papers

Weed biology and management in the multi-omics era: Progress and perspectives.ReviewPlant communications · 2024Chen K, Yang H, Wu D et al.DOI: 10.1016/j.xplc.2024.100816
Weed genomics: yielding insights into the genetics of weedy traits for crop improvement.ReviewaBIOTECH · 2023Huang Y, Wu D, Huang Z et al.DOI: 10.1007/s42994-022-00090-5
Review of Weed Detection Methods Based on Computer Vision.ReviewSensors (Basel, Switzerland) · 2021Wu Z, Chen Y, Zhao B et al.DOI: 10.3390/s21113647
Equine Crofton Weed (Ageratina spp.) Pneumotoxicity: What Do We Know and What Do We Need to Know?ReviewAnimals : an open access journal from MDPI · 2023Shapter FM, Granados-Soler JL, Stewart AJ et al.DOI: 10.3390/ani13132082
Advancing cover cropping in temperate integrated weed management.ReviewPest management science · 2020Gerhards R, Schappert ADOI: 10.1002/ps.5639
Practice in Nursery Weed Control-Review and Meta-Analysis.Frontiers in plant science · 2021Yu P, Marble SCDOI: 10.3389/fpls.2021.807736
Weed mapping using UAV imagery and AI techniques: current trends and challenges.Pest management science · 2025Tosin MC, Merotto Júnior A, Sulzbach E et al.DOI: 10.1002/ps.70151
Considering weed management as a social dilemma bridges individual and collective interests.ReviewNature plants · 2019Bagavathiannan MV, Graham S, Ma Z et al.DOI: 10.1038/s41477-019-0395-y

via PubMed

Wikidata facts

Image: Stairs with weed.jpg

Show 2 more facts

Commons category: Weeds (plants)
Commons gallery: Weed

Sources (6)

via Wikidata · CC0

~25 min read

Article

15 sections

Contents

History
Ecological significance
Adaptability
Dispersal
Negative impacts
Positive impacts
Ecological role
In climate change adaptation
Weeds as adaptable species
Plants often considered to be weeds
Weed control
Under climate change
See also
References
External links

right|thumb|Weeds growing in the cracks of a concrete staircase (Epilobium roseum, [[Chelidonium majus, Oxalis corniculata, Plantago major)]]

A weed is a plant considered undesirable in a particular situation, growing where it conflicts with human preferences, needs, or goals. Plants with characteristics that make them hazardous, aesthetically unappealing, difficult to control in managed environments, or otherwise unwanted in farm land, orchards, gardens, lawns, parks, recreational spaces, residential and industrial areas, may all be considered weeds. The concept of weeds is particularly significant in agriculture, where the presence of weeds in fields used to grow crops may cause major losses in yields. Invasive species, plants introduced to an environment where their presence negatively impacts the overall functioning and biodiversity of the ecosystem, may also sometimes be considered weeds.