{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.weed","code":"thing-q101879","url":"https://ver.cy/models/thing/q101879/","name":"weed","alternateNames":["aquatic weed","invasive weed","Convolvulus arvensis","perennial weed","common dandelion","Cytisus scoparius","Carduus acanthoides","Centaurea cyanus","Stellaria media","Clematis vitalba","Reynoutria japonica","Cirsium vulgare"],"kind":"thing","status":"published","version":"0.2.0-wave.2","language":"en","classifiers":{"family":"Thing Registry","category":"Physical world and living systems","entryKind":"thing","plane":"PHY","domain":["PHY.LIV"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"A plant considered undesirable in a particular setting, such as a garden, crop field, lawn or waterway, because it competes with wanted plants, spreads aggressively or is invasive, including species such as bindweed, dandelion and broom; weed is a functional label rather than a botanical category, and the word is also slang for cannabis, a separate sense.","purpose":"Let an agent identify common weeds and explain management, address invasive and aquatic weeds, present herbicide and organic options with safety, and separate the cannabis sense.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Unwanted in context","Competitive or invasive","Functional category","Managed by many methods"],"structure":{"bundles":[{"id":"identify","name":"Identify","description":"Which weed.","layers":[{"id":"species","name":"Species","description":"Identification.","findings":[{"id":"species-finding","name":"Species","description":"Identification.","questions":[{"text":"What plant is this, and why is it considered a weed in this setting?","kind":"definition"},{"text":"Is it listed as invasive or noxious here?","kind":"provenance"}]}]},{"id":"value","name":"Value","description":"Is it really unwanted.","findings":[{"id":"value-finding","name":"Value","description":"Value.","questions":[{"text":"Does the plant have value for pollinators, wildlife or food that changes whether it should be removed?","kind":"boundary"},{"text":"Which entry fits the plant itself?","kind":"action"}]}]}]},{"id":"control","name":"Control","description":"Managing weeds.","layers":[{"id":"methods","name":"Methods","description":"Control options.","findings":[{"id":"methods-finding","name":"Methods","description":"Methods.","questions":[{"text":"Which control methods, from hand weeding and mulching to herbicides, suit this weed and setting?","kind":"action"},{"text":"How is regrowth from roots prevented?","kind":"provenance"}]}]},{"id":"safety","name":"Safety","description":"Herbicide safety.","findings":[{"id":"safety-finding","name":"Safety","description":"Safety.","questions":[{"text":"Which herbicides are permitted here, and how are they used safely?","kind":"provenance"},{"text":"Has there been an exposure needing medical attention?","kind":"boundary"}]}]}]},{"id":"invasive","name":"Invasive","description":"Invasive and aquatic weeds.","layers":[{"id":"report","name":"Report","description":"Reporting invasives.","findings":[{"id":"report-finding","name":"Report","description":"Reporting.","questions":[{"text":"Must this invasive weed be reported or controlled by law, and to whom?","kind":"provenance"},{"text":"How is spread prevented?","kind":"action"}]}]},{"id":"aquatic","name":"Aquatic","description":"Aquatic weeds.","findings":[{"id":"aquatic-finding","name":"Aquatic","description":"Aquatic weeds.","questions":[{"text":"How are aquatic weeds managed in waterways, and which rules apply?","kind":"provenance"},{"text":"Which species are problematic here?","kind":"provenance"}]}]}]},{"id":"senses","name":"Senses","description":"Disambiguation.","layers":[{"id":"cannabis","name":"Cannabis","description":"Slang sense.","findings":[{"id":"cannabis-finding","name":"Cannabis","description":"Slang sense.","questions":[{"text":"Is weed meant as slang for cannabis?","kind":"boundary"},{"text":"Which entry and legal context apply?","kind":"action"}]}]},{"id":"ecology","name":"Ecology","description":"Weeds in ecology.","findings":[{"id":"ecology-finding","name":"Ecology","description":"Ecology.","questions":[{"text":"What role do so-called weeds play in ecosystems and soil?","kind":"provenance"},{"text":"How do agricultural weeds evolve resistance?","kind":"provenance"}]}]}]}]},"agentConduct":{"may":["Identify plants considered weeds and explain why in the given setting.","Explain non-chemical and approved control options and when they apply.","Report invasive species to the authority that records them."],"mustNot":["Apply herbicides without following the label and local rules.","Spray near water, schools or beehives where rules forbid it.","Remove plants on land it is not authorized to manage.","Remove protected plants mistaken for weeds."],"requiresHuman":["Starting herbicide treatment on land or near water."]},"ethics":{"considerations":["Herbicide use affects pollinators, water and people's health.","One person's weed is another's food, medicine or habitat."],"affectedParties":["Pollinators and wildlife","Neighbours and farm workers","Landowners"]},"owners":{"steward":"The landowner or land manager; authorities regulate invasive species.","roles":[],"masterSystems":["Invasive species registers"]},"relations":[{"target":"Q219174","type":"parent","note":"registry parent class"},{"target":"Q756","type":"parent","note":"registry parent class"},{"target":"plant","type":"related","note":"category"},{"target":"pest","type":"related","note":"category"},{"target":"root","type":"related","note":"perennial roots"},{"target":"cannabis","type":"related","note":"slang sense"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.weed","Wikidata: Q101879 (https://www.wikidata.org/wiki/Q101879)"]},"properties":{"applicability":"required","items":["Plant height:  m - Measure from the substrate surface to the highest living part, since weeds include many unrelated growth forms.","Rooting depth:  m - Estimate the depth of living roots by soil sampling or excavation appropriate to the species and site.","Dry biomass:  g - Measure dried plant material and specify whether the sample includes shoots, roots or the whole plant."]},"recognition":{"applicability":"required","items":["Context-dependent label","Aggressive growth","A wildflower in one setting is a weed in another","Plants growing where not wanted, often fast-spreading."]},"capabilities":{"applicability":"required","items":["identify weeds","explain control methods and safety","address invasive and aquatic weeds","separate the cannabis sense"]},"hazards":{"applicability":"required","items":["Herbicide misuse and harm","Spread of invasive species","Confusing senses"]},"interfaces":{"applicability":"required","items":["Invasive species and noxious weed laws","Pesticide regulations","Biosecurity rules on plant movement"]},"context":{"applicability":"required","items":["Managing unwanted plants in gardens, agriculture and ecosystems.","annual and perennial garden weeds","agricultural weeds","lawn weeds","invasive weeds","aquatic weeds"]}},"sources":[{"title":"Wikidata item Q101879: weed","url":"https://www.wikidata.org/wiki/Q101879","note":"identity and sense of the item"},{"title":"Wikipedia: Weed","url":"https://en.wikipedia.org/wiki/Weed","note":"general description of the item"}],"openQuestions":["Should each weed species be a separate entry?","How should invasive species lists be linked?","How should pesticide rules be localised?"],"resources":{"spec":"/models/things/publications/thing-q101879/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q101879/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-11T20:58:16Z","builder":"tools/build_cards.py@1.0.0"},"completeness":{"sections":{"classifiers":"filled","whatItIs":"filled","purpose":"filled","distinguishingFeatures":"filled","structure":"filled","agentConduct":"filled","ethics":"filled","owners":"filled","relations":"filled","interaction.identity":"filled","interaction.properties":"filled","interaction.recognition":"filled","interaction.capabilities":"filled","interaction.hazards":"filled","interaction.interfaces":"filled","interaction.context":"filled","sources":"filled"},"notes":{"_gate":"Published through the thing publication gate 1.0 on 2026-10-07T10:10:25+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass"},"score":1.0}}