Mushrooms Containing Both Volva and Ring (Annulus)
There is only one genus that has both volva and ring. Amanita.
Mushrooms With Ring and No Volva
1. Pholiota.
2. Annularia.
3. Stropharia.
4. Psalliota.
5. Armillaria.
6. Lepiota.
Mushrooms That Have the Stem Attached on the Side (Lateral) or Between Margin and Centre (Eccentric)
1. Crepidotus.
2. Claudopus.
3. Pleurotus.
Mushrooms With Tough or Cartilaginous Stems
1. Psathyra.
2. Nolanea.
3. Mycena.
4. Marasmius.
5. Naucoria.
6. Leptonia.
7. Omphalia.
8. Collybia.
9. Psilocybe.
10. Galera.
Mushrooms, Stemless
1. Schizophyllum.
2. Trogia.
3. Lenzites.
Mushrooms That Have the Cap Bell-Shaped (Campanulate) and Marked With Lines (Striate)
1. Psathyra.
2. Galera.
3. Nolanea.
4. Mycena.
Mushrooms With Gills Attached to Stem and a Ring
1. Stropharia.
2. Armillaria.
3. Pholiota.
Mushrooms Having Gills With Serrated Edge
1. Lentinus.
Mushrooms With Free Gills Not Attached to Stem
1. Chitonia.
2. Psalliota.
3. Pluteolus.
4. Pluteus.
5. Volvaria.
6. Lepiota.
7. Amanita.
Mushrooms With Emarginate Sinuate Gills, or With Notch Near to Stem
1. Hypholoma.
2. Tricholoma.
3. Hebeloma.
4. Entoloma.
Mushrooms That Are Corky and Leathery
1. Lenzites.
2. Lentinus.
3. Schizophyllum.
4. Panus.
Mushrooms With Gills Running Down Stem More or Less (Decurrent)
1. Gomphidius.
2. Paxillus.
3. Tubaria (some species).
4. Flammula (some adnate).
5. Eccilia (truly decurrent).
6. Clitopilus (somewhat decurrent).
7. Panus (some species decurrent).
8. Lentinus (mostly decurrent).
9. Cantharellus.
10. Hygrophorus (mostly decurrent).
11. Pleurotus (some decurrent).
12. Omphalia (truly decurrent).
13. Clitocybe (decurrent or adnate).
14. Lactarius (decurrent or adnato-decurrent).