Cyathus striatus is the type species of genus Cyathus.

Cyathus is a genus of fungi in the family Nidulariaceae. Along with the genera Crucibulum, Mycocalia, Nidula and Nidularia, they are known collectively as the bird's nest fungi due to their small nest-like fruiting bodies containing egg-shaped peridioles. The genus Cyathus was monographed by mycologist Lloyd (1906), and later Brodie (1975, 1984), and their species concepts, especially those of Brodie (1975), are followed by most mycologists.

Taxonomic characters

Cyathus striatus (a) young and mature fruiting bodies in longitudinal section; (b), (c) single peridiole entire and in section.

The differentiation of Cyathus species is based on observable characters, such as fruiting body shape, coverings and plications of peridia, and microscopic characteristics such as the anatomy of peridioles, and the size and shape of basidiospores. The following characters are used to help identify Cyathus species:

  • Shape
  • Size
  • Color
  • Peridium
  • Plication means being folded in pleats.
  • Setae are rigid bristles made of compacted hyphae that are sometimes found at the mouth of the peridium.
  • The emplacement is the rounded mass of hyphae at the lower, narrow end of the fruiting body which attaches it to the growing surface.

Microscopic characters

  • Tunica: a thin membrane that is the outermost covering layer of the peridioles.
  • Cortex: in this article, the cortex refers to the tissue layer comprising the wall of the peridiole.
  • Spores:

Species

The following list of species is compiled from Brodie's monograph (1975) and subsequent revision (1984), as well as articles written since then describing new species or reducing others to synonymy.

Cyathus helenae
Cyathus olla
Cyathus poeppigii
Cyathus stercoreus
Species
authority		 Distribution Dimensions
(mm tall × mm wide)		 Characteristics Spore size (μm)
shape
Etymology
C. africanus[1]
H.J. Brodie (1967)		 Mount Kilimanjaro (Tanzania) 4–6 × 6–8 experidium not plicate, woolly, hairs of equal length knotted into tight curls; endoperidium smooth with faint or irregular ridges; peridioles 2–2.5 mm in diameter, silvery with tunica 6.5–8.5 × 8.5–12
ovoid, with a distinct apiculus
L. African
C. amazonicus[2]
Trierveiler-pereira & Baseia (2009)		 Brazil 9–11 × 5–7 experidium finely plicate, woolly, hairs yellowish brown; endoperidium distinctly plicate; peridioles 2–3 × 1.2–2 mm, dark gray and shiny 14–19 × 12–16
subglobose
L. Amazon
C. annulatus[3]
H.J. Brodie (1970)		 Cypress Hills (Canada) 7–10 × 7–12[4] pale brown, covered on exoperidium with tomentum; basal emplacement small and inconspicuous; endoperidium pale buff, shiny, lightly striate; lip of peridium with deep brown ring 0.5 mm wide; peridioles 1.5–1.75 mm, roughly triangular with shiny tunica[4] 15.5–17 × 15–19[4]
ellipsoid to ovate or roughly spherical
 
C. badius
Kobayasi (1937)		 Japan 8–10 × 6–8 Exoperidium dark brown, fruiting bodies arising from wooly base 3–mm in diameter; peridioles lenticular, 2.3 mm long by 2 mm wide by 0.6–0.9 mm thick, silvery-lead colored, with tunica.[5] 15–18 × 11–13[5]
L. badius (dull brown)
C. berkeleyanus
(Tul. & C. Tul.) Lloyd (1906)		 Widespread distribution in the tropics: West Indies, Florida, Mexico, Bolivia, Brazil, Hawaiian Islands 6–8 × 4–6[6] Exoperidium hairy in fresh specimens, but wears off in age, leaving surface smooth and plicate; inner surface variably plicate; peridioles dark brown, 1.5–3 mm in diameter; typically elliptical, with a thin tunica.[6] 6–9 × 4–7[6]
 
C. bulleri[7]
H.J. Brodie (1967)		 West Indies, Hawaiian Islands, Mexico[4] 5–9 × 5–8[4] Exoperidium with fine tomentum and long, converging downward-pointing hairs, plicate in upper third; ectoperidal surface plicate, silvery; epiphragm white with vertical tufts of hyphae; peridioles 2–2.5 mm in diameter with thick tunica, silvery when fresh, dark-brown when old.[8] 5–8.5 
spherical[8]
 
C. canna[9]
Lloyd (1906)		 Tropical locales: Jamaica, Costa Rica, Barbados, Mexico, Mauritius 7–8 × 6–8[8] Exoperidium dark brown, scabrous with short tomentum; endoperidial surface smooth, white; peridioles with thin tunica on upper side.[8] 7–9 [8]
roughly spherical
L. from Gr. canna (a reed)
C. chevalieri
Har. & Pat. (1909)		 Oubangui Up to 20 × 5–7[10] Resembles C. striatus 8 × 5
ovoid[10]
 
C. colensoi
Berk. (1855)		 New Zealand, Australia 6–7 × 5–6[11] Cups bell-shaped, smooth with fine hairs pressed down on exoperidium; peridioles approximately 2 mm Some ellipsoid, 10–12 × 8–10; some subglobose, 9–12[11]
W. Colenso
C. confusus[12]
Tai & Hung (1948)		 Yunnan (China) 11–17 × 5–9[5] Exterior surface light cinnamon colored, shaggy; interior surface light buff, smooth; tunica thick. 7–10 × 5–6.4[5]
elliptic or narrowly obovate[5]
L. confusus (confused)
C. cornucopiodes[13]
T.X. Zhou & W. Ren (1992)		 China
 
C. costatus
Lloyd (1936)		 Puerto Rico 2.5–3 mm diameter[14] Exoperidium covered with dark, strigose hairs, ribbed, plicate; peridioles small (1 mm), black.[14] 16–× 5–[14]
elliptical
L. costatus (ribbed)
C. crassimurus[15]
H.J. Brodie (1971)		 Hawaii 5 × 6–7 Golden colored, plicate, external hairs; radially wrinkled dark brown peridioles. Has a two-layered cortex and long narrow spores.[16] 17–20 × 11–12
ellipsoid, very thick-walled (2.5–4 μm)[17]
L. crassus (thick) murus (wall)
C. crispus
H.J. Brodie (1974)[18]		 Ghana Golden-colored, plicate peridia covered on external surface with curls of hyphal hairs
 
C. earlei
Lloyd (1906)		 Tropical or subtropical: Cuba, Puerto Rico, Mexico, Hawaii 6–7 × 8[11] Dark brown exterior, silvery (almost white) interior surface; tomentum of short hairs; peridioles up to 2 mm wide, thin tunica on upper side[19] 12 × 10 to 22 × 12[20]
F.S. Earle
C. ellipsoideus
H.J. Brodie (1974)[21]		 Mysore India Pale colored and plicate; has peridioles and spores with an ellipsoidal outline.[16]
 
C. elmeri
Bres.		 Philippines 7–10 × 7–9[17] Peridioles ash-grey, powdery, 1.3–1.5 mm in diameter; thin tunica (100–150 μm thick).[17] 18–22 × 10–12[17]
ellipsoidal
A.D.E. Elmer
C. fimicola
Berk. (1881)		 Puerto Rico, Mexico 2–3 × 4–5 Pale, with strigose matted hairs; peridioles small, black, 1.5 mm 8 × 16[22]
 
C. gayanus
Tul. & C. Tul. (1844)		 Chile, Costa Rica, Jamaica, Venezuela 153 × 5–6 Narrow, conic, dark brown, inner surface striate, out surface only faintly striate; peridioles black, 3 mm with thick outer wall. 20–32
roughly spherical[14]
C. Gay
C. gracilis[23]
H.J. Brodie (1973)		 Luzon (Philippines); Brazil[24] 4–7 × 8–10 Peridium slender, obconic, thin-walled (0.2–0.4 mm); outer surface umber- or rust-colored and covered with conical tufts of hairs, not plicate, inner surface same color as outer or lighter; epiphragm pale buff with brown hairs; peridioles 2 mm in diameter, circular.[25] 20 × 10
ellipsoidal
L. gracilis (slender)
C. griseocarpus[26]
H.J. Brodie (1984)
 
C. helenae
H.J. Brodie (1966)		 Alpine and boreal, and dry areas of Idaho; Brazil[24] 15–19 × 12–14
 
C. hirtulus
B. Liu & Y.M. Li (1989)		 18–25.5 × 7.5–9
 
C. hookeri[27]
Berk. (1854)		 India, New Zealand, Yunnan (China) up to 14 × 10[28] Bell-shaped
J. Hooker
C. intermedius
(Mont.) Tul. & C. Tul. (1844)		 West Indies, Florida, Mexico, Venezuela, Colombia, Philippines 8–9 × 7–8 Pale fawn color, when young covered with tomentum organized in nodules; peridioles about 2 mm in diameter, with a thin tunica. 10–× 16
elliptical[29]
L. inter (middle) and medius (middle)
C. jiayuguanensis
J. Yu, T.X. Zhou & L.Z. Zhao (2002)
 
C. julietae
H.J. Brodie (1967)		 Jamaica 7–8 × 7–8[30] Pale brown or yellow, obconic with straight sides, thin-walled; exoperidium not plicate, covered with very fine hairs; inside wall smooth, glossy; narrow basal emplacement; epiphragm pale brown or yellowish; peridioles black, elliptical, wrinkled on upper surface, 1.5–1.75 mm long; thin tunica, single-layered cortex. 5–9 × 5–7
subglobose to ellipsoid, thin-walled.[30]
L. from the name Juliet
C. lanatus
(H.J. Brodie) R.L. Zhao (2007)[31]
 
C.  lijiangensis[32]
T.X. Zhou & R.L. Zhao (2004)		 China 6–9 × 3–6 Obconic or funnel-shaped, outer surface covered by greyish-white hairs and narrow tufts, plicate externally and internally, lip not setose; peridioles 1.5–2 × 1.5–1.8 mm, depressed, mostly round or ellipsoid. 15.5–18.5 × 11–15
 
C. limbatus
Tul. & C. Tul. (1844)		 British Guiana, West Indies, China, India, Africa, South America, Hawaiian Islands, Pacific Islands 7–10 × 6–7[14] Dark brown color, inner and outer surfaces plicate; peridioles 2 mm wide or more, deep brown to black, shiny. Synonymous with C. cheliensis 16–22 × 10–12
L. limbatus (bordered, or fringed)
C. luxiensis[33]
T.X. Zhou, J. Yu & Y. Hui Chen (2003)		 China
 
C. microsporus
Tul. & C. Tul. (1844)		 San Domingo, Cuba, Costa Rica, Jamaica, Hawaii, Florida 5–7 × 6–8[8] Obconic, exoperidium no plicate, at times hairy; endoperidium smooth or with faint ridges, but not plicate; peridioles black, about 2 mm[34] 5–6 × 4[8]
Gr. mikros (small) and spora (seed)
C. minimus
Pat.		 China 4–5 × 4[8] Exoperidium covered with hairs pressed-down. Interior surface smooth. Peridioles approximately 1 mm, with a thin tunica. Single-layered cortex, 50 μm thick. 18–20 × 10–12[8]
L. minimus (smallest)
C. montagnei
Tul. & C. Tul. (1844)		 Brazil, West Indies, Central America, Venezuela, Congo, Philippines, Thailand 7–10 × 8[35] dark brown, fading with age, outside hirsute, faintly plicate; inside walls widely plicate, silvery-colored Peridioles are black and shiny, with a thin tunica, cortex one-layered but may appear two-layered 20 × 12
ellipsoid
 for Jean P. Montagne, French mycologist
C. nigroalbus
Lloyd (1906)		 Samoa, Fiji
 
C. novae-zeelandiae
Tul. & C. Tul. (1844)		 New Zealand
 
C. olivaceobrunneus
Tai & Hung (1948)		 Yunnan (China) 7–8 × 6[36] 16–19 × 8.6–10
ellipitic, rounded at both ends
L. oliva (olive) and brunneus (brown)
C. olla
(Batsch) Pers. (1801)		 Common, widespread 10–15 × 8–10 Flared outwards towards the mouth; exoperidium grey, fine-textured; endoperidium smooth; peridioles large, up to 3.5 wide, irregularly shaped, with tunica.[37] 10–14 × 6–8[37]
L. olla (pot)
C. pallidus
Berk. & M.A. Curtis (1868)		 West Indies, Mexico, South America (Brazil and Peru), United States (Georgia and Florida), Hawaiian Islands 5–7 × 5–7[30] Crucible shaped, pale buff-colored; thin and friable peridium walls; exoperidium covered with long down-ward-bent hairs; peridioles dark grey to black; 2 mm diameter; with a thin tunica. 7.5–15 × 4–8.5[30]
Mostly ellipsoid.
L. pallidus (pale-colored)
C. pictus[38]
H.J. Brodie (1971)		 Mexico 8–9 × 5 Outer surface with fine hairs clumped into small mounds; cinnamon brown when dry, dark brown when moist; the mouth has a distinct red-brown band (0.2–0.3 mm wide) immediately below the rim; inside wall smooth, not plicate, lead-grey; emplacement large (7 mm); peridioles situated deep in cup, black, irregular shape (1.75–2 mm wide × 2–2.5 mm long), with depression on upper side; no tunica. 26–32
globose
L. picted (painted)
C. poeppigii
Tul. & C. Tul. (1844)		 Warm countries: West Indies, South America, Hawaiian Islands, Asia, Africa, China, Florida 6–8 × 6 Narrowly obconic, felty or shaggy, reddish brown to dark brown, almost black in age; both inner and outer surface deeply fluted or plicate; peridioles black and shiny. Synonymous with C. megasporus 30–42 × 20–28
elliptical[39]
Poeppig, the collector
C. pullus
Tai & Hung (1948)[12]		 Yunnan China
 
C. pygmaeus
Lloyd (1906)		 United States: Washington State, Idaho, Nevada, Oregon, California; Santiago (Chile) 4–4.5 × 3.5–4 Exoperidium greyish brown, smooth, with appressed hairs; peridioles about 1 mm, with thin tunica.[11] Synonymous with C. gansuensis 12–14 × 8–9[11]
L. pygmaeus (dwarf)
C. renweii[32]
T.X. Zhou & R.L. Zhao (2004)		 China 8–10 × 5–6 Obconic or cup-shaped; outer surface brownish, with yellowish to pinkish hairs and narrow tufts, strongly plicate; peridioles 2 mm diameter 21–31 × 10.5–13.5
ellipsoid to elongate-ellipsoid
 
C. rudis
Pat. (1924)		 New Caledonia, Amboina 5–10 × 5–8 Conic; striate on inner surface, with reddish squamules on outer surface; interior surface silvery-white; peridioles black-brown with thin tunica, 1 mm wide[10] 9–12 × 5
elliptical
 
C. setosus
H.J. Brodie (1967)		 St Lucia, Trinidad, Guadelope, Jamaica, Mexico, Bolivia 8–10 × 7–8 Mouth of cup has stiff, dark setae 0.5–1 mm long; outside surface with fine appressed hairs and some longer tangled hairs; inside surface barely plicate, silvery; basal emplacement narrow (1.5–2 mm wide); epiphragm thin, white to pale buff; peridioles angular, black, shiny, 2.5  or more wide. 17–24 × 10–14[40]
L. setosus (bristly or hairy)
C. sinensis[41]
Imazeki (1950)		 Kyushu Islands (Japan) 5–6 × 2.5–5 Peridium with obconic shape, woolly exoperidial surface (hairs tufted), cinnamon-brown color; inner surface smooth, lead-white; peridioles grey, 1.3 mm wide, 0.5 mm thick. 12.5–18.5 × 8.3–10.3
ellipsoid[42]
L.sinensis (Chinese)
C. stercoreus
(Schwein.) De Toni (1888)		 Worldwide
L. stercorarius (of dung)
C. striatus
(Huds.) Willd. (1787)		 Widespread in temperate regions; Europe, America, India, Japan, China, Mexico 18–20 × 8–10
 
C. subglobisporus
R.L. Zhao, Desjardin & K.D. Hyde (2008)[43]		 Northern Thailand Ivory-coloured fruiting bodies covered with shaggy hairs, plications on the inner surface of the peridium and subglobose basidiospores.
 
C. triplex
Lloyd (1906)		 West Indies, Florida, Venezuela, Hawaii, Philippines, Thailand 5–6 × 5 Outer surface smooth, covered with scabrous hairs, inner surface smooth, silvery white; peridioles 2 mm with very thin tunica. 16–22 × 12–14
ellipsoid[44]
L. triplex (threefold)
C. yunnanensis
B. Liu & Y.M. Li (1989)		 China 14.5–22.5 × 10.5–18
 

References

  1. ↑ Brodie HJ. (1967). "Cyathus africanus, a previously undescribed Bird's Nest Fungus". Canadian Journal of Botany 45: 1653–6.
  2. ↑ Trierveiler-Pereira L, Gomes-Silva AC, Beseia IG (2009). "Notes on gasteroid fungi of the Brazilian Amazon rainforest". Mycotaxon. 110: 73–80. doi:10.5248/110.73.
  3. ↑ Brodie HJ. (1970). A previously unnamed species of Cyathus from the Cypress Hills, Alberta". Canadian Journal of Botany 48: 749–50.
  4. 1 2 3 4 5 Brodie, p. 179.
  5. 1 2 3 4 5 Brodie, p. 160.
  6. 1 2 3 Brodie, p. 178.
  7. ↑ Brodie HJ. (1967). "Cyathus bulleri, a hitherto undescribed fungus of the Nidulariaceae from the West Indies". Bulletin of the Torrey Botanical Club 94: 68–71.
  8. 1 2 3 4 5 6 7 8 9 Brodie, p. 158.
  9. ↑ Lloyd CG. (1906). "The Nidulariaceae". Mycological Writings 2:1–30.
  10. 1 2 3 Brodie, p. 177.
  11. 1 2 3 4 5 Brodie, p. 156.
  12. 1 2 Tai FL, Hung. (1948). Science Reports of the Tsinghua University Ser. B 3(2): 160.
  13. ↑ Ren W, Zhou TX. (1992). "New species and new variety of Cyathus". Acta Mycologica Sinica 11: 23–7.
  14. 1 2 3 4 5 Brodie, p. 172.
  15. ↑ Brodie HJ. (1971). "Cyathus crassimurus sp. nov from Hawaii". Canadian Journal of Botany 49: 1609 11.
  16. 1 2 Brodie, p. 181.
  17. 1 2 3 4 Brodie, p. 167.
  18. ↑ Brodie HJ. (1974). "Cyathus crispus, a new species from Ghana". Canadian Journal of Botany 52: 1661–3.
  19. ↑ Brodie, pp. 157–7.
  20. ↑ Brodie, p. 157.
  21. ↑ Brodie HJ. (1974). "A new plicate Cyathus from India".Canadian Journal of Botany 52: 247–9.
  22. ↑ Brodie, pp. 169–70.
  23. ↑ Brodie HJ. (1973). "A new species of Cyathus from the Philippines". Canadian Journal of Botany 51: 1393–4.
  24. 1 2 Barbosa MMB; Cruz RHSF; Calonge FD; Baseia IG. (2014). "Two new records of Cyathus species from South America" (PDF). Mycosphere. 5 (3): 425–8. doi:10.5943/mycosphere/5/3/5.
  25. ↑ Brodie, p.165–6.
  26. ↑ Brodie HJ. (1984). More bird's best fungi (Nidulariaceae) (A Supplement to 'The bird's best fungi'). Lejeunia Revue de Botanique, Nouvelle série Nº 112.
  27. ↑ Hooker (1854). Journal of Botany 6: 204.
  28. ↑ Brodie, p. 159.
  29. ↑ Brodie, p. 166.
  30. 1 2 3 4 Brodie, p. 161.
  31. ↑ Zhao RL, Jeewon R, Desjardin DE, Soytong K, Hyde KD (2007). "Ribosomal DNA phylogenies of Cyathus: is the current infrageneric classification appropriate?". Mycologia. 99 (3): 385–95. doi:10.3852/mycologia.99.3.385. PMID 17883030.
  32. 1 2 Zhou TX, Zhao LZ, Zhao RL, Chen YH. (2004). "Bird's nest fungi from China". Fungal Diversity 17: 243–51.
  33. ↑ Chen YH, Yu J, Zhou TX. (2003). "A new species, a new variety and a new Chinese record of Cyathus". Mycosystema 22: 345–8.
  34. ↑ Brodie, p. 157–8.
  35. ↑ Brodie, p. 176.
  36. ↑ Brodie, p. 173.
  37. 1 2 Brodie, p. 155.
  38. ↑ Brodie HJ. (1971). "Cyathus pictus, a large-spored bird's nest fungus from Mexico". Canadian Journal of Botany 49: 1613–4.
  39. ↑ Brodie, p. 171.
  40. ↑ Brodie HJ. (1967). "Cyathus setosus, a new member of the Nidulariaceae from Jamaica". Canadian Journal of Botany 45: 1–3.
  41. ↑ Imazeki R. (1950). "Fungi collected at Mt. Wu Tai-Shan. Botanical Magazine of Tokyo 63: 93 6.
  42. ↑ Brodie, p. 164.
  43. ↑ Zhao RL, Desjardin DE, Soytong K, Hyde KD. (2008). "A new species of bird's nest fungi: characterisation of Cyathus subgloblisporus sp nov based on morphological and molecular data". Persoonia 21: 71 6.
  44. ↑ Brodie, p. 163.

Bibliography

  • Brodie, Harold J. (1975). The Bird's Nest Fungi. Toronto: University of Toronto Press. ISBN 0-8020-5307-6.
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