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Frequently asked questions for readers browsing Landrace.Wiki.
For questions about contributing, see Contributing FAQ. For the full FAQ index, see Help:FAQ/Index.
What is Landrace.Wiki?
Landrace.Wiki is a conservation encyclopedia and accession database documenting traditional cannabis landraces worldwide. It records where these populations grow, what they look like, how they are cultivated and what threatens them. It is an independent project, open for community contributions.
For more, see Landrace.Wiki:About.
What is a landrace?
A landrace is a traditional, locally adapted plant population maintained by farmers over generations through open pollination and natural selection in a specific environment. Landraces are not modern bred varieties; they are shaped by climate, soil, altitude, and centuries of human cultivation practice. See Landrace cannabis for a full treatment.
What is an accession?
An accession is a documented sample or observation of a cannabis population at a specific place and time. It is the basic unit of the database: one collection event, one location, one set of observations. An accession page records who collected it, where, when, what was observed, and what material (if any) was preserved.
See Help:Accessions for a full guide to reading accession pages.
How do I find accessions for a specific country or region?
Several ways:
- Use the category links on the Main Page: By Country, By Growing Region, By Growing Area.
- Use the search box at the top of any page.
- Browse the interactive map on the Main Page, which shows all accessions with GPS coordinates.
- Follow the geographic hierarchy links inside any country, region, or area page.
See Help:Navigation for more detail.
What do the map marker colours mean?
Each pin takes the colour of the status of the accession's own seed lot:
- Red: Urgent
- Orange: At risk
- Green: Secure
- Blue: a lot held by a genebank
- Grey: the lot has no data yet or too little to rate, or no lot is recorded
An accession with several lots takes the most urgent. See Help:Seed lots for each status.
What are Tier 1, Tier 2, and Tier 3?
These are documentation tiers describing how much data has been recorded for an accession:
- Tier 1 is the minimum for a useful record: identification, location, collection details, traditional names, and basic botanical observations.
- Tier 2 adds detailed morphology, cultivation practices, population data, and conservation assessment.
- Tier 3 adds laboratory data: cannabinoid percentages, terpene profiles, and genetic analysis.
Most accession pages have Tier 1 data and some Tier 2. Tier 3 is rare. A page does not need all three tiers to be useful.
How is conservation need read?
Conservation need is read for each population, not for an accession or a region. Two readings are kept. The field grade says how threatened the population is in the field, from Very high to Least concern. The holdings reading says whether the population's seed is safe in someone's hands, and reads Urgent, At risk, Secure or Data deficient. An accession's page shows both for the population it belongs to. See the Accessions help page for the full account.
What does "Landrace," "Feral," or "Hybrid" mean on an accession page?
These are three of the six classification values, defined on Property:Has classification:
- Landrace — a crop grown and kept by local people at the place the accession names.
- Feral — plants growing outside cultivation: escaped, weedy, ruderal or wild-growing.
- Hybrid — a documented cross between populations of different origin, or a line descended from one.
The other three are Landrace IBL (an inbred line stabilised from a landrace), Other (material the evidence places outside these classes, for example a botanic-garden plant or a named variety) and Unknown (the evidence does not decide the class).
Hybrid accessions are documented to track genetic contamination, not because they are the focus of the project.
Why are GPS coordinates approximate?
In countries where cannabis cultivation is illegal, exact GPS coordinates could be used to identify and target individual farms. Coordinates are rounded by approximately 500 metres to show the general area without pinpointing anyone. This is a deliberate safety measure. See Norms: Safety.
Why are farmer names listed as aliases?
For the same reason: protecting people who maintain these genetics under prohibition. All farmer names on the wiki are aliases unless the person has given explicit consent to be named. See Norms: Safety.
What are the portals?
Portals are organised entry points into major topic areas. The eight knowledge portals (Botany, Genetics, Chemistry, Geography, History, Culture, Cultivation, Conservation) group related articles by subject. Three news portals (Current Events, Community, Research) track recent developments.
Can I trust the information here?
Landrace.Wiki aims for accuracy but it is a wiki, which means content is contributed by many people and may contain errors. The project distinguishes between three types of evidence: direct observation, oral history from farmers, and published sources. Each should be labelled as such. If you see a claim that seems unsupported, check whether it has a reference; if not, it may carry a {{citation needed}} tag.
For the project's evidence standards, see Norms: Tone and evidence.
I found an error. What should I do?
If it is a straightforward factual error, typo, or formatting problem, you can fix it yourself by clicking Edit on the page. If you are not comfortable editing, use the Talk tab on the page to describe the problem and someone else will address it. See Help:Editing basics for how to make edits.
Related pages
- Help:Accessions for a full guide to accession pages.
- Help:Geographic pages for understanding the geographic hierarchy.
- Help:Navigation for finding and browsing pages.
- Help:FAQ for the most common questions.
- Help:FAQ/Index for the full FAQ index.