Key to species of

Hyphodontia, Hyphodontiella, Schizopora, Echinoporia

Main key:

1. Spores navicular Hyphodontiella multiseptata

1. Spores subglobose, ellipsoid, cylindrical or allantoid 2

2. Hyphae without clamps Key A

2. Hyphae with clamps 3

3. Hymenium irpicoid or poroid Key B

3. Hymenium odontioid, grandinioid or smooth 4

4. Spores very narrow allantoid Key C

4.Spores cylindrical, ellipsoid or subglobose 5

5. Cystidia arise only from the subiculum Key F

5. Cystidia arise from the hymenium or subhymenium 6

6. Hymenium smooth to slightly grandinioid Key D

6. Hymenium clearly odontioid Key E

Key A: Clamps absent

1. Basidia with two spores H. efibulata

1. Basidia with four spores 2

2. Spores ellipsoid H.tetraspora

2. Spores subglobose H.subglobosa

Key B: Hymenium irpicoid or poroid

1. Monomitic 7

1. Pseudodimitic or dimitic 2

2. Arthroconidia produced by bristle-like diverticles

on the upside of the basidiocarp 3

2. Arthroconidia producing diverticles absent at all 4

3. Arthrokonidia longer than 10 µm Ech.aculeifera

3. Arthrokonidia shorter than 10 µm Ech.hydnophorus

4. Hymenium irpicoid Sch.paradoxa

4.Hymenium poroid 5

5. Basidiocarp resupinate Sch.radula

5.Basidiocarp effused-reflexed to pileat 6

6. Lagenocystidia with strong crystalline incrusted tip Sch.cystidiata

6. Lagenocystidia with weak crystalline incrusted tip Sch.flavipora

7. Spores narrowly allantoid H.latitans

7. Spores ellipsoid or cylindrical 8

8. Hymenium irpicoid H.spathulata

8. Hymenium poroid 9

9. Spores longer than 6 µm, cylindrical H.nothofagi

9. Spores shorter than 6 µm, ellipsoid to subglobose 10

10. Sp. wider than 4 µm, subglobose H.apacheriensis

10. Sp. narrower than 4 µm, ellipsoid H.niemelaei

Key C: Spores very narrowly allantoid, or half circled

1. Cystidia tubular, thick-walled ( tramacystidia) 3

1. Cystidia tubular, thin-walled ( tramacystidia) 2

2.Sp. very narrowly allantoid H.alutacea

2.Sp. half circled H.curvispora

3. Hymenium clearly efigurated (grandinioid or odontioid) 5

3. Hymenium completely smooth 4

4. Sp. wider than 2 µm H.cineracea

4. Sp. narrower than 2 µm H.altaica

5. Hym. clearly odontioid H.floccosa

5. Hym. smooth to verrucose H.subalutacea

Key D: Hymenium smooth to slightly grandinioid

1. Basidiocarp with a clear abrupt margin H.juniperi

1. Basidiocarp with a diffus margin 2

2. Septocystidia and lagenocystidia absent 6

2. Septocystidia or lagenocystidia present 3

3. Very long septocystidia present, at least with 3 cells 4

3. Septocystidia absent or with only 2-3 cells H. alutaria

4. Spores longer than 6 µm H. propinqua

4. Spores shorter than 6 µm 5

5. Spores narrower than 3 µm H. pallidula

5. Spores wider than 3 µm H. alba

6. Capitate cystidia absent 10

6. Capitate cystidia present 7

7. Hymenium chalky white and hyphae strongly incrusted with crystals 8

7. Hymenium not chalky white 9

8. Spores finely ornamented H.griselinae

8.Spores smooth H.sambuci

9. Moniliform cystidia present H.halonata

9. Moniliform cystidia absent H.sambuci

10. Spindel like cystidia absent 12

10. Spindel like cystidia (hastocystidia) present 11

11. Spindel like cystidia scattered in the hymenium H.hastata

11. Spindel like cystidia only in the sterile tips of aculei H.hastifer

12. Cystidia apically tapering, basally somewhat ventricose, irregular in shape, up to 30 µm long H.juniperi

12. Cystidia apically obtuse, basally ventricose, 50-100 µm long H.tenuicystidiata

Key E: Hymenium clearly odontioid

1. Basidiocarp with a diffuse margin 4

1. Basidiocarp with a clear abrupt margin 2

2. Spores wider than 3.5 µm H.pruni

2. Spores narrower than 3.5 µm 3

3. Capitate hyphal ends with a cap of exsudate present in all parts of the basidiocarp H.quercina

3. Capitate hyphal ends absent H.crustosa

4. Lagenocystidia absent 6

4. Lagenocystidia present 5

5. Capitate cystidia present H.arguta

5. Capitate cystidia absent H.wrightii

6. Hymenium chalky white and hyphae strongly incrusted with crystals 7

6. Hymenium not chalky white 8

7. Spores finely ornamented H.griselinae

7. Spores smooth H.fimbriata

8. Moniliform cystidia absent 11

8. Moniliform cystidia present 9

9. Capitate cystidia absent H.mollis

9. Capitate cystidia present 10

10. Aculei very small, max.1 mm high H.breviseta

10. Aculei up to 2 mm high, spatulate H.spathulata

11. Capitate ventricose cystidia absent 20

11. Capitate ventricose cystidia present 12

12. Hyphal ends of the aculei capitate and obtus 17

12. Hyphal ends of the aculei subulate and obtus 13

13. Hyphae of the aculei not sinuose H.quercina

13. Hyphae of the aculei sinuose 14

14. Spores not glued together H.pruni

14. Spores glued together (spore balls) 15

15. Spores shorter than 7 µm H.candidissima

15. Spores longer than 7 µm 16

16. Spores wider than 4 µm H.capitata

16. Spores narrower than 4 µm H.adhaerispora

17. Spores longer than 6 µm H.quercina

17. Spores shorter than 6 µm 18

18. Spores norrower than 3 µm H.nespori

18. Spores wider than 3 µm 19

19. Aculei up to 50 µm high H.rimosissima

19. Aculei up to 500 µm high H.aspera

20. Hyphae of the aculei strongly sinuose H.serpentiformis

20. Hyphae of the aculei not sinuose 21

21. Spores not glued together 23

21. Spores glued together (spore balls) 22

22. Sp. longer than 7 µm H.adhaerispora

22. Sp. shorter than 7 µm H.candidissima

23. Ventricose cystidia up to 30 µm long, with a short tapering tip H.crustosa

23. Ventricose cystidia up to 50-75 µm long, with a long and tapering tip 24

24. Spores longer than 5.5 µm H.knysnana

24. Spores shorter than 5.5 µm H.nudiseta

Key F: Cystidia arise only from the subiculum (tubular tramacystidia)

1. Crystals in the basidiocarp absent, but apical incrustation of tramacystidia possible 8

1. Crystals in the basidiocarp present 2

2. Crystals flat, covering thick-walled hyphae 5

2. Crystals ball-like 3

3. Spores obviously thick-walled (0.5 µm) H.detritica

3. Spores thin-walled 4

4. Hyphae of the aculei sinuous H.serpentiformis

4. Hyphae of the aculei not sinuous and capitate hyphal ends (pistillocysts) in basal parts of the basidiocarp present H.lanata

5. Spores globose to subglobose H.brevidens

5. Spores ellipsoid, cylindrical or somewhat allantoid 6

6. Hymenium smooth H.alienata

6. Hymenium odontioid 7

7. Spores ellipsoid H.gossypina

7. Spores cylindrical to slightly allantoid H.tomentosa

8. Hymenium smooth H.alienata

8. Hymenium grandinioid to odontioid 9

9. Spores longer than 4.5 µm 12

9. Spores shorter than 4.5 µm 10

10. Spores narrower than 2.5 µm H.microspora

10. Spores wider than 2.5 µm 11

11. Clamps on basal hyphae present H.palmae

11. Clamps on basal hyphae absent H.orasinusensis

12. Aculei up to 3 mm high, on deciduous wood H.barba-jovis

12. Aculei not higher than 1 mm, on coniferous wood H.abieticola

ewald.langer@uni-tuebingen.de - 12. March 1996