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 Chamonixia pachydermis
SynonymsGautieria novae-zelandiae
Hymenogaster pachydermis
Hysterangium sclerodermum
BiostatusPresent in region - Indigenous. Non endemic
Images (click to enlarge)
Owner: J.A. Cooper | 
Owner: J.A. Cooper | 
Caption: left:FeSO4. right:KOH
Owner: J.A. Cooper | 
Owner: J.A. Cooper | 
Owner: J.A. Cooper | 
Owner: J.A. Cooper | 
Caption: FIG. 27. Chamonixia pachydermis: D Habit and section (Beaton 57) X 1; E spores x 1750, F basidia x 1000. | 
Owner: J.A. Cooper | 
Owner: J.A. Cooper | 
Owner: J.A. Cooper | 
Caption: Dried type specimen
Owner: Herb PDD | 
Owner: Herb. PDD | 
Caption: Gautieria novaezelandiae
Owner: Nils Hallenberg |
Article: Cunningham, G.H. (1938). The Gasteromycetes of Australasia, XVIII. Transactions and Proceedings of the Royal Society of New Zealand 67(4): 408-410 Wellington:.
Description: Plants solitary or caespitose, tuberiform or pyriform, 2-5 cm. .diameter, from yellow
ochre to brilliant iodine green, drying pallid ferruginous. Peridium 400-600 microns
thick, of a single pseudoparenchymatous layer, white or cream coloured in section. Gleba
chocolate brown, appearing compact, cells minute, 2-3 to mmm.; subglobose, empty;
columella reduced to a few tenuous branches arising from a small sterile base, but
conspicuous in developing plants; tramal plates 15-50 microns thick, of gelatinized
hyphae, thinner towards the centre and tending to disappear at maturity; basidia 4-spored.
Spores elliptical, 11-15 x 8-10 microns, golden brown, apex bluntly pointed, base shortly
pedicellate, with 4-5 longitudinal ribs which are rounded and about 2 microns tall.
Article: Beaton, G.W.; Pegler, D.N.; Young, T.W.K. (1985). Gasteroid Basidiomycota of Victoria State, Australia: 5–7. Kew Bulletin 40(3): 573–598.
Description: Gasterocarp 0.5-3 cm diam., subglobose, pyriform to ellipsoid or irregular, lobed, with basal attachment. Peridium whitish to ochraceous, with a
distinctly greenish yellow tint, not cyanescent on bruising, smooth and glabrous. Gleba pale brown drying to dark brown, firm, loculate, consisting of
irregular, partially filled, minute chambers. Tramal plates variable, mostly about 100µm thick, consisting of a broad, hyaline hymenophoral trama and
very narrow subhymenial layers; peridial context well developed, forming a thick layer, similar in structure to the hymenophoral trama; clamp-connexions absent. Columella very reduced, occasionally forming very short radiating branches; sterile base present but small and inconspicuous.
Spores 10.5-15 x 6-7.5 (12 ±0.5 x 7 ± 0.5) µm (excl. costae), Q = 1.71; symmetric, ellipsoid to short fusoid, sometimes with a papillate apex, deep
rusty brown, with a thickened wall, smooth but forming four or five longitudinal costae, overlaid by a hyaline myxosporium which sometimes
becomes detached at the base. Basidia 15-20 x 7.5-9µm, clavate to cylindric, bearing four, sometimes two, sterigmata. Hymenophoral trama regular,
hyaline, non-gelatinized, of parallel, thinwalled hyphae, 2-10 µm diam. Subhymenial layer very narrow, interwoven. Peridiopellis a repent epicutis, 50-75 µm thick, of subparallel or partial woven hyaline, thin-walled hyphae, 3-10 µm diam.
Notes: This species has been described from New Zealand under two separate names, Hymenogaster pachydermis Zeller & Dodge and Gautieria
novaezelandiae G. H. Cunn. Cunningham (1944: 67) listed H. pachydermis as a synonym under Hysterangium schlerodermun (Cooke) G. H. Cunn.,
but examination of the authentic collection by Zeller reveals it to have the pigmented, costate spores of a Chamonixia species as originally described.
Chamonixia pachydermis differs from C. mucosa in the non-cyanescent, greenish peridium and the more deeply coloured spores.
Article: Gadgil, P.D. (in association with Dick, M.A.; Hood, I.A.; Pennycook, S.R.) (2005). Fungi on trees and shrubs in New Zealand. Fungi of New Zealand. Ngā Harore o Aotearoa 4: xi + 437 p. Hong Kong: Fungal Diversity Press.
Description: Type: Mycorrhizal Fungi; Description: Basidiomata epigeous or subepigeous, subglobose to pyriform, ochraceous to bright greenish brown, up to 25 mm in diameter; peridium composed of a single white to cream pseudoparenchymatous layer. Gleba chocolate brown, compact; columella reduced to a few tenuous branches. Basidiospores elliptical, 0-septate, 10–15 × 8–10 μm, with 4–5 longitudinal ribs, golden brown.
Distribution: Distribution: Auckland, Coromandel, Waikato, Bay of Plenty, Taupo, Wellington, Nelson, Gisborne, Buller, Westland, Fiordland, Marlborough Sounds, North Canterbury, Mid Canterbury, Otago Lakes, Southland.; 1st Record: Chu-Chou & Grace (1983b: as Gauteria novaezelandiae).
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