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Trichomanes parvulum; photograph Neal Kelso, CC BY, iNaturalist via GBIF CC BYNeal Kelso, CC BY, iNaturalist via GBIF

Trichomanes parvulum Poir.

Small Filmy Fern; Tiny Bristle Fern

Hymenophyllaceae · Comoros, Mauritius +2 · listed by its family as a fern or moss

Cited as Kew's World Checklist cites it, Trichomanes parvulum Poir.: GBIF's backbone key for this page carries the name with another author, Copel., 1933.

No habitat climate
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Trichomanes parvulum, photograph Neal Kelso, CC BY, iNaturalist via GBIFTrichomanes parvulum, photograph Damien Wallace, CC0, iNaturalist via GBIFTrichomanes parvulum, photograph Damien Wallace, CC0, iNaturalist via GBIFTrichomanes parvulum, photograph Kiwi Shen, CC BY, iNaturalist via GBIFTrichomanes parvulum, photograph Tara Severns, CC BY, iNaturalist via GBIFTrichomanes parvulum, photograph Tara Severns, CC BY, iNaturalist via GBIF 24 photographs ›

Cultivation

Grouped as a fern or moss, listed under the family Hymenophyllaceae in the archetype table, and Kew describes it as “lithophyte or epiphyte”.

Nothing derived: no habitat climate for this species.
How this section is made

Each card states this species' habitat figures with their sources, and what two fixed rules read from them; nothing here says what the plant does, wants or tolerates. The rules · the terms.

Group. Listed under the family Hymenophyllaceae in the archetype table, and Kew describes it as “lithophyte or epiphyte”. A group is taken only where Kew's description of the species agrees with the table's listing. The table gives no figure and no prose; the cold floor is the habitat's alone.

Climate across the habitat

No habitat climate can be derived: No georeferenced record inside the range.

Natural habitat

Native range as published by WCVP.
No openly licensed record to show inside the range.
NativeComoros, Mauritius, Madagascar, Réunion · regions are the level-3 units of the World Geographical Scheme for Recording Plant Distributions, as Kew's World Checklist records ranges, some under historical names such as Yugoslavia or Czechoslovakia (how).
Kew's description“lithophyte or epiphyte” · “wet tropical” · quoted from WCVP, RBG Kew (CC BY 4.0); not derived here
Evidence usedNo georeferenced record lies inside the stated native range, and all 398 georeferenced records read lie outside it: the range and the records disagree. They are not used, and no map marker or climate is derived from them.
Other GBIF keysRecords also from GBIF's key 11388196 (Crepidomanes parvulum (Poir.) Nivart, Senterre & Dubuisson): Kew's file holds it as Crepidomanes parvulum (Poir.) Nivart, Senterre & Dubuisson (synonym under Trichomanes parvulum Poir.); 531 records, from GBIF's search API on the day of the build.

Photographs

Trichomanes parvulum, photograph 1did not loadTrichomanes parvulum, photograph 2did not loadTrichomanes parvulum, photograph 3did not loadTrichomanes parvulum, photograph 4did not loadTrichomanes parvulum, photograph 5did not loadTrichomanes parvulum, photograph 6did not load

Photographs: Neal Kelso, CC BY, iNaturalist via GBIF; Damien Wallace, CC0, iNaturalist via GBIF (2); Kiwi Shen, CC BY, iNaturalist via GBIF; Tara Severns, CC BY, iNaturalist via GBIF (2).

Other Trichomanes 5 in the reference

Trichomanes auriculatum Hymenophyllaceae Trichomanes boschianum Hymenophyllaceae Trichomanes radicans Hymenophyllaceae Trichomanes speciosum Trichomanes speciosum Hymenophyllaceae Photo: CC BY-SA, Krzysztof Ziarnek, KenraizTrichomanes venosum Trichomanes venosum Hymenophyllaceae Photo: CC BY, Ewen Cameron

Names & registers

Also known as Crepidomanes parvulum; Crepidomanes alagensis; Crepidomanes bonincola; Crepidomanes latilabiatus; Crepidomanes mannii and 40 more. (GBIF Backbone)

Kew accepts as species of their own Trichomanes mannii; Trichomanes minutum: older names in GBIF's record of this species that Kew's World Checklist accepts as other species. (WCVP, RBG Kew, file of 2026-06-04)

GBIFPOWOIPNIWFOWikidata

The record

Family
Hymenophyllaceae
Described by
Poir.
Native to
Comoros, Mauritius, Madagascar +1
Wild records
none in range · 398 outside it

Every figure here is derived from public data by a stated rule and names its source; nothing about this species is written for its page by a person or by AI, apart from the marked, credited quotations. How →

Where this page came from built 2026-10-22
GBIF species record gbif.species answeredasked 2026-10-22GBIF's key 7825647 is Trichomanes parvulum Copel., 1933; Kew accepts Trichomanes parvulum Poir., and the name is cited as Kew accepts it; its synonyms and common names are read from GBIF's Trichomanes parvulum Poir. (7847711), which GBIF files under Crepidomanes parvulum (Poir.) Nivart, Senterre & Dubuisson (11388196) too
GBIF synonyms gbif.synonyms answeredasked 2026-10-2253 read from GBIF's Trichomanes parvulum Poir. (7847711), which GBIF files under Crepidomanes parvulum (Poir.) Nivart, Senterre & Dubuisson (11388196)
GBIF common names gbif.vernacular answeredasked 2026-10-22names fetched 2026-10-22
WCVP native range wcvp.distribution answeredas of 2026-06-04
GBIF occurrence records gbif.occurrences answeredasked 2026-10-22GBIF occurrence download https://doi.org/10.15468/dl.hbdw64, of 2026-10-21; 531 records of GBIF's key 11388196, Crepidomanes parvulum (Poir.) Nivart, Senterre & Dubuisson (Kew's file holds it as Crepidomanes parvulum (Poir.) Nivart, Senterre & Dubuisson (synonym under Trichomanes parvulum Poir.)): GBIF occurrence search API; 47 records within 1 km of a botanic garden, herbarium or zoo left out (41 at a botanic garden or arboretum, 1 at a herbarium, 5 at a zoo; Wikidata's list)
Habitat climate climate nothing to reportasked 2026-10-22no georeferenced record inside the range
Wikidata wikidata answeredasked 2026-10-22IPNI and POWO linked by Kew's number for Trichomanes parvulum Poir. (the item's: IPNI 17363750-1, POWO none)
Wikipedia wikipedia nothing to reportasked 2026-10-22
iNaturalist taxon inat.taxon not asked
iNaturalist photographs, wild inat.photos.wild not asked
iNaturalist photographs, cultivated inat.photos.cultivated not asked
GBIF media gbif.media answeredasked 2026-10-22read from the page's key and its other keys: 169 from GBIF's key 11388196
OpenAlex papers openalex not askednot yet asked for this reference; a later fill takes the papers from OpenAlex's snapshot

Every source is recorded as having answered, reported nothing, refused, failed, not been asked, or answered twice where one answer is taken (“not taken: two items answered”), and, for a source asked when this page was built, when: the figures are as the source held them that day; a source read from a file (Kew's World Checklist, a GBIF download) says "as of" the file's day instead; a row carried from an earlier build of the page names that build instead. Only “nothing to report” is ever shown as an absence. Records came from 3 datasets via GBIF.org; each carries its own licence.

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