Rytidosperma setifolium
species of plant

Rytidosperma setifolium, the bristle tussock or mountain danthonia, is a species of grass, endemic to New Zealand. It is known largely from alpine areas.
Description
Rytidosperma setifolium is a perennial plant. It grows in low tussocks. The glumes are purple, from red to black.
Distribution and habitat
Rytidosperma setifolium is known from the North, South, and Stewart Island in New Zealand. It grows in mountainous areas, particularly in rocky areas in the northern part of its range.
Ecology
The rust fungus Uromyces danthoniae, a species found that grows parasitically on the leaves of several Rytidosperma species in New Zealand and Australia, infects Rytidosperma setifolium. It forms dense clusters of orange-brown aecidia on both surfaces of the leaf.
Etymology
Setifolium means 'bristle-leaved' in Latin.
“Rytidosperma setifolium” enters the record as species of plant. Crown Archives preserves that source wording while asking what Rytidosperma, setifolium and species can confirm, complicate or overturn.
Why this record matters
“Rytidosperma setifolium” is worth following because a concise public description often conceals a longer documentary argument. Here, Rytidosperma, setifolium and species provides the most credible route into that argument.
The date and method of observation matter as much as the stated conclusion, especially where classification or consensus has changed. The source revision retrieved here is dated Aug 9, 2026. The linked authority identifier is Q15521756. None of the 0 selected statements returned an explicit reference.
Scientific names, classifications and consensus can change while older terminology persists in catalogues and historical literature. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
How to read it
Check terminology, classification and the date of the cited evidence. Scientific names and technical consensus can change while older records retain historical value.
- Current terminology
- Classification context
- Finding cited technical literature
Primary datasets, specimen catalogues, standards bodies and the most recent peer-reviewed literature.
Three-step research path
- Establish the record: confirm the title “Rytidosperma setifolium”, its source revision and the description used here.
- Expand the search: follow Rytidosperma setifolium primary sources, Rytidosperma setifolium archive and Rytidosperma research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
- Which source most directly establishes the central claim about “Rytidosperma setifolium”?
- Which observation, specimen, dataset or publication supports the account?
- Has classification or technical consensus changed since the cited source?
Search terms from this dossier
This entry incorporates text from “Rytidosperma setifolium” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.