Name: Coprinopsis subsect. Lanatuli
Author: (J. Lange) D.J. Schafer ined.
1. Spores with rounded-conical nodules: C. calosporus
1. Spores smooth.
2. Basidia 2-spored.
3. On dung; veil with some ellipsoid or subglobose elements; average spore breadth < 7.8 µm: C. bicornis
3. On compost or saw-dust; veil without ellipsoid or subglobose elements; average spore breadth > 7.8 µm: C. scobicola
2. Basidia 4-spored.
4. Growing on Ammophila arenaria in yellow outer dunes: C. ammophilae
4. Habitat otherwise.
5. Veil of centre of pileus thick-walled, wall up to 1 µm thick: C. pachydermus
5. Veil of centre of pileus thin-walled, wall < 0.5 µm thick.
6. Veil cream, ochre, yellow, orange or orange-red.
7. Pileus with beautiful rust-coloured or orange-red veil, visible at least at base of stipe, soon slimy: C. erythrocephalus
7. Veil cream, yellowish or ochre, not slimy.
8. Veil cream or pale ochre; spores very broadly fusiform, av. Q < 1.5; on wood, often in wounds of trees; terminal elements of veil up to c. 40 µm wide, not yellowish encrusted: C. spelaiophilus
8. Veil distinctly yellowish or ochre; spores ellipsoid to ovoid, av. Q > 1.5; on clayey soil, mud or wood-chips; terminal elements of veil up to c. 20(—25) µm wide, strongly yellowish encrusted: C. ochraceolanatus
6. Veil white, (silvery) grey or grey-brown.
9. Average spore length < 9.2 µm.
10. Average spore breadth > 5.8 µm.
11. Medium species; spores with av. Q < 1.3; not on dung; veil with elements of one kind: sausage-shaped in chains: C. jonesii
11. Small species; spores with av. Q > 1.3; on dung; veil with two kinds of elements: sausage-shaped and diverticulate: C. candidolanatus
10. Average spore breadth < 5.8 µm.
12. On dung or mixed dung; spores with av. Q > 1.6; spores ellipsoid, tending to cylindrical: C. pseudoradiatus
12. On wood-chips, soil mixed with pieces of wood or vegetable refuse; spores with av. Q < 1.6; spores ellipsoid, tending to rhomboid: C. geesterani
9. Average spore length > 9.2 µm.
13. Average spore length < 10.8 µm.
14. Veil whitish or greyish, hairy-floccose; spores ovoid or ellipsoid; on dung, mixed dung or compostheaps.
15. Veil with one kind of elements, sausage-shaped in chaines; pileus up to 30 mm when expanded; number of lamellae > 35; spores 8.4—11.8 × 5.8—7.8 µm: C. cinereus
15. Veil with two kinds of elements; pileus up to 12 mm when expanded; number of lamellae < 30; spores 7.3—10.7 × 4.8—7.2 µm: C. candidolanatus
14. Veil whitish, cream or pale ochre, in small flocks; spores very broadly fusiform; in wounds of – often living – trees or on stumps: C. spelaiophilus
13. Average spore length > 10.8 µm.
16. Average spore breadth > 8.2 µm: C. macrocephalus
16. Average spore breadth < 8.2 µm.
17. On dung or dung mixed with straw or hay; average spore breadth > 7.8 µm; spores ellipsoid, tending to cylindrical: C. radiatus
17. On soil, often mixed with rotten pieces of wood, wood-chips, compostheaps or vegetable refuse; average spore breadth < 7.8 µm; spores ellipsoid.
18. Veil on pileus thin, cobwebby, looking silky; average spore breadth < 6.7 µm: C. krieglsteineri
18. Veil on pileus abundant, hairy fibrillose; average spore breadth > 6.7 µm.
19. Stipe very fragile, bending down before pileus expands; exclusively in lawns; stipe wall < 250 µm thick: C. lagopus var. vacillans
19. Stipe rather firm, upright; usually on wood-chips and vegetable-refuse; less frequent in lawns; stipe wall up to 450 µm thick: C. lagopus var. lagopus
Created: 2011-10-25 17:05:53 EDT (-0400) by Danny Newman (myxomop)
Last modified: 2017-03-17 09:08:28 EDT (-0400) by Jacob Kalichman (Pulk)
Viewed: 463 times, last viewed: 2018-07-09 10:10:48 EDT (-0400)