Riccardia
genus of liverworts

Riccardia is a plant genus in the liverwort family Aneuraceae.
Species
As of November, 2024, about 260 species are recognised in the genus Riccardia:
A
Riccardia aberrans (Steph.) Gradst.
Riccardia aequicellularis (Steph.) Hewson
Riccardia aequitexta (Steph.) E.A.Br.
Riccardia aeruginosa Furuki
Riccardia agumana Hewson
Riccardia alba (Colenso) E.A.Br.
Riccardia albomarginata (Steph.) Schiffn.
Riccardia alcicornis (Hook.f. & Taylor) Trevis.
Riccardia amnicola Hässel
Riccardia angustata Horik.
Riccardia anguste-alata (Steph.) Hewson
Riccardia angusticosta (Steph.) Grolle
Riccardia angustissima (Steph.) H.A.Mill.
Riccardia argentolimbata Hewson & Grolle
Riccardia arcuata Furuki
Riccardia aspera (Steph.) Grolle
Riccardia asperulata R.M. Schust.
The public source identifies “Riccardia” as genus of liverworts. This brief keeps that definition visible, then builds a research path around Riccardia, genus and liverworts.
Why this record matters
A short description can identify a subject without explaining its stakes. For “Riccardia”, the useful work is to connect “genus of liverworts” to the records capable of establishing context and consequence.
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 Dec 12, 2025. The linked authority identifier is Q2148753. The first chronological checks are 2024.
A general summary may omit uncertainty, sample limits or methodological disagreement that is explicit in the technical record. 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 “Riccardia”, its source revision and the description used here.
- Expand the search: follow Riccardia primary sources, Riccardia archive and Riccardia 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 “Riccardia”?
- Is the terminology current, historical or disputed?
- Has classification or technical consensus changed since the cited source?
Search terms from this dossier
This entry incorporates text from “Riccardia” 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.