Well it's a white mushroom with gills so that narrows the possibility space to 1 mildly tasty shroom and eight gorillion super deadly poisonous liver failure shrooms

In my part of the world, there are at least a dozen+ culinary and/or medicinal mushrooms that are distinctive and easy to identify (even by casuals like me). These don't really have any dangerous look-a-likes that also grow in the same area. I stick to those and those alone. Granted, even at 12 or so species that I can ID, that's probably like a tiny fraction of the number of different species that exist in this area.

I'm the opposite, I can tell some really difficult mushrooms apart due to good ol' hyperfixation but I still know jack about plants and trees.

Some areas have mushrooms that are so similar the only reliable way to identify them is using a spore print.

Plants and animals tend to have more distinct identifying features like leaf patterns, bark texture or hair color.

Well, this local mushroom is either the Taste Scrumptiouspuff, which is amazing is stews, roasts and stirfry..... or the murderkilldeathshroom. Would you say this fringe is curved with a swirl, or swirled with a curve?

To be fair, knowing 10000 things is far from knowing everything.