PDD 116666 – Lachnum varians (Rehm) M.P. Sharma
Data provider:
New Zealand Fungarium - Te Kohinga Hekaheka o Aotearoa
Barcode:
PDD 116666
Specimen type:
Packet
Database record added:
30 July 2019
Database record updated:
19 November 2025
Components
Primary component
Active identification
Determined name:
Lachnum cf varians (Rehm) M.P. Sharma
Determiner:
P.R. Johnston
Identification date:
2019-07 (Verbatim: July 2019)
Preferred name:
Lachnum varians (Rehm) M.P. Sharma
Division:
Ascomycota
Class:
Leotiomycetes
Order:
Helotiales
Family:
Lachnaceae
Determination uncertain:
yes
Identification type:
Determination
Note:
morphology matches varians sensu Haines 1980, but genetically distinct from other simialr specimens
Associations:
has host Dicranopteris linearis (Burm.f.) Underw. 1907
Substrate:
rhizome
Other components
Active identification
Determined name:
Dicranopteris linearis (Burm.f.) Underw. 1907
Determiner:
Identification date:
Preferred name:
Dicranopteris linearis (Burm.f.) Underw. 1907
Division:
Tracheophyta
Class:
Polypodiopsida
Order:
Gleicheniales
Family:
Gleicheniaceae
Identification type:
Determination
Collection events
Primary collection event
Collection event type:
Field
Standard locality
Location:
New South Wales, Barrington Tops National Park, Gloucester Tops Road, Antarctic Beech Forest; Gloucester Falls Track
Georeferences:
Latitude and Longitude (WGS84):
-32.097452 151.600155
Verbatim locality:
New South Wales, Barrington Tops National Park, Gloucester Tops Road, Antarctic Beech Forest; Falls Tr
Verbatim collector:
P.R. Johnston
Standardised collector:
Peter R. Johnston
Collectors reference no.:
PRJ AU09-39
Verbatim date:
17 May 2009
Start date:
2009-05-17
Country:
Australia
Native lands:
Geawegal
Georeferences:
Latitude and Longitude (WGS84):
-32.088228 151.596137
Specimen notes
Public Note:
Fresh apothecia up to 0.3 mm diam., cupulate, narrow stipitate, bright lemon-yellow, short, yellow hairs with reddish exudate. Dry, edge of cup inrolled to cover hymenium, hairs pale brown, more or less white near margin of cup. Excipulum (squash mount) long-cylindric 5-9 µm diam. cells with thin walls. Paraphyses 2.5-3 µm diam., lanceolate, taper to narrow rounded apex. Asci 50-60 x 5-6 µm, more or less cylindric, taper suddenly to small,. rounded apex, wall slightly thickened at apex, small but intense J+ pore, extending right through wall, expanding across wall towards outside, with croziers [D. varians no croziers according to Haines 1980]. Ascospores 9.5-14 x 2-3 µm (average 11.7 x 2.2 µm), oblong-elliptic to subylindric, taper gradually to small, rounded ends, more or less symmetrical but very slightly flattened in side view and very slightly curved, 0-septate. Phylogentically a Lachnopsis sp.
PRJ, July 2019
PRJ, July 2019
Public Note:
In water crystals on hairs very dark brown to black (compared to orange to red for genetically somewhat distinct specimens accespted as L. varians), dark brown vacuolar pigment within hairs,
PRJ, Nov 2025
PRJ, Nov 2025
External links
CIS - ICMP:
GenBank:
Peter Johnston Culture Collection:
AU09-39
Permissions
Project permits
Biocultural (BC) Notice
