[Tagging] semantic issue with "genus" in the wiki, wetland, plant nursery, ...

Martin Koppenhoefer dieterdreist at gmail.com
Mon Dec 1 10:22:38 UTC 2014


I believe there are some semantic issues with how the wiki currently
suggests to tag details of plants, e.g. with the tags "genus" or "species".

This originates from tree tagging (AFAIK), where the suggested tagging is:

natural=tree
genus=...
species=...
taxon=...
etc.

NO ISSUES in this, works as expected, we add the genus (will use this as
example for reference in this mail, but species, taxon, etc. behave the
same) of the plant (tree in this example) as a tag.


Now to plant nurseries, according to the wiki the suggested tagging is
(they do not have their own tag but rely on the landuse attribute, but that
is another topic I will not deal with here):

landuse=plant_nursery
plant=* The generic type of plant that is grown, e.g. tree, herb, bush,
grass, vine, fern, moss, green-algae
genus=*
species=*
...

wait, this is strange, the same tag "genus" now does not refer to the
object it is attached to (an implicit plant_nursery) but refers to the
plants that are grown.


Similarly, on the genus key page, there are references to natural=wetland
etc.

I think this is an inconsistency in tagging and would be interested to hear
if you believe the recommendation should be changed. E.g. we could have a
"plant:genus" to explicitly state that the genus refers to the plants
rather than the nursery.

Cheers,
Martin

___
http://wiki.openstreetmap.org/wiki/Tag:landuse%3Dplant_nursery
http://wiki.openstreetmap.org/wiki/Key:genus
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