CHR 570188 A – Rhynchostegium laxatum (Mitt.) Paris
Data provider:
Allan Herbarium
Barcode:
CHR 570188 A
Type status:
Isotype
Specimen type:
Packet
Database record added:
01 June 2004
Database record updated:
21 June 2018
Components
Primary component
Active identification
Determined name:
Rhynchostegium peracuminatum Dixon & Sainsbury
Determiner:
Allan Fife
Identification date:
2018-06 (Verbatim: June 2018)
Preferred name:
Rhynchostegium laxatum (Mitt.) Paris
Division:
Bryophyta
Class:
Bryatae
Family:
Brachytheciaceae
Identification type:
Determination
Note:
Trans. & Proc. New Zealand Inst. 75: 185 (1945).
Type status:
Isotype
Other identifications
Identification
Determined name:
Rhynchostegium laxatum (Mitt.) Paris
Determiner:
Allan Fife
Identification date:
2004-04 (Verbatim: April 2004)
Preferred name:
Rhynchostegium laxatum (Mitt.) Paris
Active:
no
Identification type:
Confirmation
Note:
c.fr.
Identification
Determined name:
Rhynchostegium peracuminatum Dix. & Sainsb. sp. no.v ined. (at 29/4/39)
Determiner:
Dixon & Sainsbury
Identification date:
Preferred name:
Rhynchostegium laxatum (Mitt.) Paris
Active:
no
Identification type:
Determination
Collection events
Primary collection event
Collection event type:
Field
Standard locality
Location:
Ohakune
Georeferences:
Latitude and Longitude (WGS84):
-39.416 175.396
Verbatim locality:
Ohakune, North Is.
Verbatim collector:
R. Mundy
Standardised collector:
R. Mundy
Verbatim date:
20th Aug. 1926
Start date:
1926-08-20
Country:
New Zealand
Land District:
Wellington Land District
Altitudes:
from 609m
Habitat:
Damp log
Notes:
Original material
Specimen notes
Herbarium history:
Herbarium of G. O. K. Sainsbury No. 728 (a)
Type:
Isotype of Rhynchostegium peracuminatum Dixon & Sainsbury, Transactions and Proceedings of the Royal Society of New Zealand 75: 185 (1945)
Supplementary remarks:
Isotype of Rhynchostegium peracuminatum Dixon & Sainsbury, Trans. N. Z. Inst. 75: 185 (1945) N.Z., on damp log, Ohakune, 20. Aug. 1926, R. Mundy s.n., (herb. Sainsbury 728a).
I concur with Sainsbury (1955a, p. 443) that type material of R. peracuminatum Dixon & Sainsbury is referrable to R. laxatum. The type has branch leaves mostly 2.7-3.0 × 0.65-0.75 mm and the specimen is brighter yellow and more lustrous than more representative herbarium specimens of R. laxatum. Most mid laminal cells in the branch leaves are c. 75 µm long.
Allan Fife, April 2004
Allan Fife, April 2004
Supplementary remarks:
Isotype of Rhynchostegium peracuminatum Dixon & Sainsbury, Trans. & Proc. New Zealand Inst. 75: 185 (1945).
I consider the leaf measurements that I made from this material in April 2004 to be in error. I have re-examined it in association with a duplicate collection (WELT M005804) and find few if any branch leaves exceeding 1.8 × 0.5 mm.
The WELT [WELT M 005894] isotype of this name is more ample than CHR 570188a. I have not seen material in the Dixon herbarium.
Allan fife, June 2018
Allan fife, June 2018
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