Choose somewhere you can return
After rain, a path you know can smell different before it looks different. There’s wet bark, disturbed soil, a puddle where you don’t remember one. Then you notice a fallen branch, or a plant that seems to have appeared overnight. It was probably there last week. You were thinking about something else.
Pick a small place you can return to and are allowed to visit: a trail, garden, or stretch of shoreline. Go often enough to see it change. There’s an advantage to somewhere close by. You can visit on an ordinary afternoon, without needing the weather, your calendar, and three friends to agree.
Write it down before naming it
Date the page and describe what you see: weather, ground, nearby trees, a bud opening or a leaf changing. Sketch it or take photographs from several angles without disturbing it. Keep the description separate from your guess about its name. ‘Brown thing beside other brown thing’ may be accurate, but you can probably do a little better.
“Three clusters on a fallen hardwood branch” gives you something to compare next time. “Probably edible” gives you very little. Leave room beside the description for what you learn later from a reliable regional reference or a qualified local guide.
A walk does not need to become a harvest
Looking and eating are different decisions. Do not eat a wild plant or mushroom on the strength of this article, an app, or a resemblance to a photograph. Poisonous mushrooms can resemble edible ones; learn identification in person with a qualified expert and confirm the rules for the particular place.
An empty basket is fine. You can still have a full afternoon and a page of questions. Leave the specimen there to see what happens next.
Go back and have another look
Choose one detail to look up in a reliable regional reference or discuss with a qualified local guide. Then return and see whether the explanation fits what you can observe. After a few visits, you may find yourself slowing down at a spot you used to walk straight past.