I'm trying to identify a bolete mushroom. First, tell me the two main characteristics the 'Boletes (Key)' uses to differentiate species. Then, I'm interested in *Boletus edulis*. Can you tell me its typical cap size, whether its flesh changes color when cut, and its preferred tree associations? Also, does this website provide information on its edibility?
Navigate to 'http://mushroomexpert.com/'. Select 'Boletes (Key)' from the dropdown menu (ID 20). Scroll down to locate the 'Boletes (Key)' section. Identify and state the first two primary characteristics used by the key for differentiation. Select 'Boletus edulis' from the dropdown menu (ID 20). Click on the 'Boletus edulis' link (ID 3644) to navigate to its dedicated page. On the *Boletus edulis* page, identify its typical cap size. Determine if the page states whether its flesh changes color when cut. Identify its preferred tree associations. Check if the website provides any information regarding the edibility of *Boletus edulis*. Synthesize all gathered information into a concise answer.
The agent successfully identifies the 'Boletes (Key)' section. The agent states the first two primary characteristics used by the key: 'Pore surface is white or whitish, not bruising, or bruising brownish' and 'Pore surface is yellow or yellowish, not bruising, or bruising brownish'. The agent successfully navigates to the 'Boletus edulis' page. The agent states the typical cap size for *Boletus edulis* as '6-25 cm'. The agent states that the flesh of *Boletus edulis* 'does not change color when the mushroom is sliced'. The agent states that *Boletus edulis* 'associates with spruces and, depending on how the species is defined, various hardwoods'. The agent explicitly states that the website 'contains no information about the edibility or toxicity of mushrooms' for *Boletus edulis*.