They may look for them in some cases, true. Something like your leaf won't last very long in the soil I am used to excavating though! Pollens are a more common, more reliable indicator of vegetation.

No trappers' toilets... But other piles of shit!

__________________

Si à travers nos veines coule encore le sang...
Si dans les jeux d'enfants on entend encore l'accent...
Si nous sentons encore l'espoir de nos grands-parents...
Si dans les voiles du large souffle encore le vent...
Y'a jamais eu de Grand Dérangement.