--------------------+-------------------+
| Stem, | cartilaginous. | Marasmius, |
| | | Mycena, |
| | | Omphalia, |
| | | Collybia. |
| +-----------------------------+-------------------+
| | lateral, or eccentric. | Pleurotus, |
| | | Panus. |
| +-----------------------------+-------------------+
| | none. | Lenzites, |
| | | Pleurotus, |
| | | Trogia, |
| | | Schizophyllum, |
| | | Panus. |
| +-----------------------------+-------------------+
| | brittle. | Russula. |
+---------+-----------------------------+-------------------+
| Pileus, | scaly or warted. | Amanita, |
| | | Lepiota. |
| +-----------------------------+-------------------+
| | campanulate. | Mycena. |
| +-----------------------------+-------------------+
| | silky, cracked or | Tricholoma, |
| | fibrillose. | Clitocybe, |
| | | Pleurotus. |
| +-----------------------------+-------------------+
| | umbonate. | Mycena. |
| +-----------------------------+-------------------+
| | umbilicate. | Omphalia, |
| | | Lactarius.[11] |
| +-----------------------------+-------------------+
| | striate. | Omphalia, |
| | | Mycena. |
+---------+-----------------------------+-------------------+
| Pileus and Gills milky. | Lactarius. |
+---------------------------------------+-------------------+

[Footnote 1: Some small.]
[Footnote 2: In late summer.]
[Footnote 3: Generally in autumn.]
[Footnote 4: Large species.]
[Footnote 5: Few.]
[Footnote 6: