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Stachybotrys waitakere Whitton, McKenzie & K.D. Hyde 2001

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Stachybotrys waitakere Whitton, McKenzie & K.D. Hyde, New Zealand J. Bot. 39 497 (2001)
Stachybotrys waitakere Whitton, McKenzie & K.D. Hyde 2001

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Endemic
Present
New Zealand
Political Region

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Whitton, McKenzie & K.D. Hyde
Whitton, McKenzie & K.D. Hyde
2001
497
ICN
Stachybotrys waitakere Whitton, McKenzie & K.D. Hyde 2001
NZ holotype
species
Stachybotrys waitakere

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Stachybotrys waitakere Whitton, McKenzie & K.D. Hyde 2001

Colonies effuse, hairy, consisting of single or small groups of conidiophores on the substrate surface, visibly white and terminated by black, spherical spore masses. Mycelium immersed. Stroma none. Conidiophores 54-75 µm long, 4.5-7 µm wide towards the base, macronematous, mononematous, single or in groups, unbranched, erect, straight or curved, smooth, typically hyaline towards the base, sometimes pale grey towards the apex, cylindrical or slightly tapering towards the apex, slightly enlarged at the apex, 1-3-septate, walls thickened, septa often thickened especially lower septa, enlarged apex gives rise to a whorl of phialides, basal cell sometimes slightly swollen. Conidiogenous cells enteroblastic, monophialidic, discrete, terminal, determinate, clavate to ellipsoidal, smooth, pale grey or sometimes with a darker grey apex, aseptate, apex rounded, forming a whorl at the apex of the conidiophores, 3-6 per whorl, 10-15 x 4.5-6 µm. Conidia 14.5-19 x 8-11.5 µm, aggregated in slimy, black, glistening heads at the apices of the conidiogenous cells, ellipsoidal to broadly ellipsoidal, apex rounded, base rounded or with a broad truncate papilla, black, aseptate, verrucose.
DISTRIBUTION: New Zealand.
HABITAT: Known to inhabit decaying leaves of Freycinetia banksii.
Coloniae effusae, albae. Mycelium immersum. Conidiophora macronematosa, mononematosa, solitaria vel fasciculata, eramosa, erecta, recta vel curvata, laevia, hyalina vel pallide grisea, 54-75 µm longa, basi 4.5-7 µm, apice inflata, cylindrica, 1-3-septata. Cellulae conidiogenae monophialidicae, discretae, 3-6 in verticillo dispositae, clavatae vel ellipsoidae, 10-15 x 4.5-6 µm, pallide griseae. Conidia in massis globosis aggregata, ellipsoidea vel late ellipsoidea, nigra, verrucosa, eseptata, 14.5-19 x 8-11.5 µm; apice rotundata, basi rotundata vel late truncate papillata.

ETYMOLOGY: waitakere, refers to the type locality, Waitakere Ranges. Waitakere is a Maori name, and is used here as a noun in apposition.

NOTES: Few species of Stachybotrys have broadly ellipsoidal conidia of the dimensions seen in the present specimen. In S. cylindrospora the conidia are ellipsoidal, of similar length (13-16 x 4-6 µm), but differ in conidial width and by the characteristic striations on the conidial walls (Jong & Davis 1976). The conidia of S. kampalensis are morphologically similar to the present specimen, but are smaller (10-14 x 6-7 µm) especially in regard to width (Jong & Davis 1976). The conidia of S. freycinetia are smaller (10-15 x 3.5-5 µm), not as ellipsoidal, and more coarsely verrucose than the current specimen (McKenzie 1991). In S. verrucispora the conidia are of a similar size (11-16.5 x 8-11 µm) but are more coarsely verrucose, and the conidiophores (80-235 x 7-12.5 µm) are much larger (Matsushima 1985).

HOLOTYPUS (hic designatus): New Zealand, Auckland, Waitakere Ranges, Spraggs Bush, on decaying leaves of Freycinetia banksii, S.R. Whitton, 23 May 1996, HKU(M) 13099.

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Stachybotrys waitakere Whitton, McKenzie & K.D. Hyde 2001
Stachybotrys waitakere Whitton, McKenzie & K.D. Hyde
Stachybotrys waitakere Whitton, McKenzie & K.D. Hyde 2001
Stachybotrys waitakere Whitton, McKenzie & K.D. Hyde (2001)
Stachybotrys waitakere Whitton, McKenzie & K.D. Hyde 2001
Stachybotrys waitakere Whitton, McKenzie & K.D. Hyde
Stachybotrys waitakere Whitton, McKenzie & K.D. Hyde 2001
Stachybotrys waitakere Whitton, McKenzie & K.D. Hyde (2001)
Stachybotrys waitakere Whitton, McKenzie & K.D. Hyde 2001
Stachybotrys waitakere Whitton, McKenzie & K.D. Hyde

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Stachybotrys waitakere Whitton, McKenzie & K.D. Hyde 2001
New Zealand
Wellington

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6408002c-cea1-11d5-bebb-00508bca8de8
scientific name
Names_Fungi
1 November 2001
17 February 2004
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