How to use the map

Drag with your finger or mouse to move the map.

Zoom in or out. You can also do this with the mousewheel or by pinching.

Marker of the position of an identified tree, while the map is zoomed out. For the details, zoom in until you see tree markers like the following …

Clicking on a tree marker brings up a window (called a "popup") identifying the species of the tree there, with a small photo of it and buttons to display more photos and information. NB only a few hundred of the thousands of trees are marked!

7Marker of a tree of the selected species; clicking it will zoom and centre the map on this tree, and bring up a photo of it in the frame.

✕ Click the cross at the top right of any window, including this one, to get rid of it.

✕ Click to dismiss all the popups at once.

Street map Satellite view Choose alternative versions of the map. The tree markers, popups, map centre and zoom are all unaffected by switching.

Turn on a flashing dot which tracks your live location on the map, surrounded by a circle indicating the accuracy of the location. This will work only if your device has a satellite navigation (GPS etc.) receiver which is enabled and can acquire a signal. You will probably be asked to allow the website to access "location services" the first time you press this button. The button flashes orange while trying to locate you, and green while your location is shown. Press it again to turn it off.

Recentre the map on your present location, while live location is switched on.

Reset the map to its original centre and zoom. ✕