Astraeus hygrometricus (Pers.) Morgan 1889
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Astraeus hygrometricus (Pers.) Morgan, J. Cincinnati Soc. Nat. Hist. 12 20 (1889)
Astraeus hygrometricus (Pers.) Morgan 1889
Biostatus
Uncertain
Present
New Zealand
Political Region
PDD 88503, as A. hygrometricus in Wilson et al., New Phytologist 194: 1079-1095. 2012; redetermined as A. pteridis by J.A. Cooper.
NZ collections require critical comparison with A. pteridis [JAC]
Nomenclature
Morgan
Pers.
(Pers.) Morgan
1889
20
Pers.
ICN
species
Astraeus hygrometricus
Classification
Vernacular names
Synonyms
Associations
Descriptions
Plants globose and submerged, becoming superficial and expanded when to 6 cm. across. Exoperidium split to below the middle into 7-12 equal acute rays, which are expanded when wet, strongly involute when dry, folding over the endoperidium; fleshy layer thick, adnate, umber, rimose in mature plants; exterior at first covered with an evanescent mycelial layer, becoming smooth and polished, bay or umber brown; base convex or plane. Endoperidium sessile, depressed globose or globose, 1-2.5 cm. diameter, greyish or bay brown, finely pubescent, and somewhat areolate. Stoma indefinite, without a depressed zone. Gleba umber; pseudo-columella absent. Spores globose, 7.5-10.5um diameter, epispore chestnut brown, or fuscous, 1um thick, finely and densely warted, appearing areolate. Of those placed in the hygroscopic section, the species may be recognized by the firm cartilaginous rays of the exoperidium, roughened endoperidium and, particularly, the large coarsely warted spores
DISTRIBUTION: Europe; North America; India; Australia. Victoria: Dandenong Ranges (4).
TYPE LOCALITY : Europe.
Taxonomic concepts
Astraeus hygrometricus (Pers.) Morgan 1889
Astraeus hygrometricus (Pers.) Morgan 1889
Global name resources
Collections
Metadata
1cb17ecc-36b9-11d5-9548-00d0592d548c
scientific name
Names_Fungi
1 January 2001
24 June 2011