I just took a quick look at http://en.wikipedia.org/wiki/Species and it says
there are about 7 million identified species, or which plants represent
around 300k.  On http://en.wikipedia.org/wiki/Tree it supplies a definition
of a tree and common names used by most people to identify a tree seem to
have detailed wikipedia pages (http://en.wikipedia.org/wiki/Oak), which go
on to link to specific species (oak:
http://en.wikipedia.org/wiki/List_of_Quercus_species).

It looks like a lot of the specifics can be directly referenced so it
wouldn't need to be duplicated in the OSM wiki.

Depending on how much the tagger wants to record, you could define a tree
node as follows:

plant=<type>, where type={tree, herb, bush, grass, vine, fern, moss,
green-algae}
<type>=<common name>
species=<latin classification>

For example:

plant=tree
tree=oak
species=*Quercus alba <http://en.wikipedia.org/wiki/Quercus_alba>*

--
Sean

On Sat, Dec 11, 2010 at 02:10, M∡rtin Koppenhoefer
<[email protected]>wrote:

> 2010/12/8 Sean Horgan <[email protected]>:
> > Hi Kenny,
> > The new proposal looks good.
> > Are you going to create a new plant key?  Maybe at least a landing page
> and
> > some examples that cover your original needs to describe trees.
>
>
> I suggest to amend the species type with the latin classification
> scheme, like it is in use for natural=tree. This permits to
> unambigously tag the specific plants. The suggested plant-tag could be
> used as preliminary / rough tag to make differences between trees,
> grass, etc.
>
> cheers,
> Martin
>
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