I do not consider this nameable. The relatively narrow leaves are suggestive of R. muriculatum but the costae lack the terminal spines which usually occur in that species.
Other identifications
Identification
Determined name:
Rhynchostegium tenuifolium (Hedw.) Jaeg.
Determiner:
[Fife AJ]
Identification date:
Preferred name:
Rhynchostegium tenuifolium (Hedw.) Reichardt
Active:
no
Identification type:
Determination
Collection events
Primary collection event
Collection event type:
Field
Standard locality
Location:
Buller, gorge of the Pororari River, true left bank, 0.5 - 3 km above Route 6 bridge
Georeferences:
Latitude and Longitude (WGS84):
-42.114388 171.352552
Verbatim locality:
South Island, Buller; gorge of the Porarari River, true left bank, 0.5-3 km above Rte. 6 bridge
Verbatim collector:
Allan J. Fife 6086
Standardised collector:
Allan J. Fife
Verbatim date:
20 Jan. 1984
Start date:
1984-01-20
Land District:
Westland Land District
Country:
New Zealand
Georeferences:
Latitude and Longitude (WGS84):
42°2´ S 171°21´ E (WGS84 -42.033333 171.35)
Altitudes:
to 31m
Habitat:
base of nikau palm.lowland rata-nikau-broadleaf forest with numerous tree ferns (Cyathea spp., Dicksonia squarrosa) and scattered rimu; developed on limestone talus and alluvial gravel.