Trithuria australis

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Family Hydatellaceae

Taxonomy: Trithuria australis (Diels) D.D.Sokoloff, Remizowa, T.D.Macfarl. & Rudall

Synonyms: 3 (APC 2026-07-30)

Hydatella australis Diels (nomenclatural synonym)
Hydatella leptogyne Diels (taxonomic synonym)
Hydatella sessilis T.D.Macfarl. (taxonomic synonym)

Distribution (APC): WA

Profiles: APC, Flora of Australia, ALA, iNaturalist, Florabase, ATRP

Traits

Top source datasets: ABRS_2022 (10), ABRS_2023 (12), Barrett_2009 (3), Draper_2023 (3), Sjostrom_2006 (4), WAH_2022_2 (10), Wenk_2022 (2), Wenk_2023 (1). See below for a full list of sources.
Summary: AusTraits contains 20 traits from 45 records in 8 datasets.

Traits by category (click to expand). For categorical traits, the values are listed. For numerical traits, the mean and range are shown.

fire response

resprouting_capacity (categorical): fire_killed (1) [sources: Barrett_2009]
post_fire_recruitment (categorical): post_fire_recruitment (1) [sources: Barrett_2009]

flower morphology

sex_type (categorical): monoecious (5) [sources: ABRS_2022; Sjostrom_2006; WAH_2022_2]

fruit morphology

fruit_length (numerical): 0.4 mm (0.4-0.4 mm) [sources: ABRS_2023]
fruit_type (categorical): capsule (1) [sources: Sjostrom_2006]
fruit_fleshiness (categorical): dry (1) [sources: Sjostrom_2006]
fruit_dehiscence (categorical): dehiscent (1); indehiscent (2) [sources: ABRS_2023; Sjostrom_2006]
fruit_colour (categorical): brown (1) [sources: ABRS_2023]

leaf morphology

leaf_length (numerical): 37.5 mm (25-50 mm) [sources: ABRS_2023]
leaf_shape (categorical): filiform (2); terete (2) [sources: ABRS_2023]
plant_photosynthetic_organ (categorical): leaf (2) [sources: ABRS_2023]

life history

plant_growth_form (categorical): herb (5) [sources: ABRS_2022; WAH_2022_2; Wenk_2022]
life_history (categorical): annual (5) [sources: ABRS_2022; WAH_2022_2; Wenk_2023]
plant_growth_substrate (categorical): aquatic (4) [sources: ABRS_2022; WAH_2022_2]
woodiness_detailed (categorical): herbaceous (5) [sources: ABRS_2022; WAH_2022_2; Wenk_2022]
pollination_syndrome (categorical): wind (1) [sources: Draper_2023]
dispersal_syndrome (categorical): barochory (1); zoochory (1) [sources: Draper_2023]
dispersers (categorical): abiotic (1); animals (1); passive (1) [sources: Draper_2023]
seedbank_location (categorical): soil_seedbank (1) [sources: Barrett_2009]

Sources

dataset_id	n_traits	n_records	reference
ABRS_2023	7	12	Australian Biological Resources Study. Flora of Australia, Australian Biological Resources Study, Canberra.. accessed on 14 September, 2022.. 2023. url: http://www.ausflora.org.au.
ABRS_2022	5	10	Australian Biological Resources Study. Flora of Australia, Australian Biological Resources Study, Canberra.. accessed on 14 September, 2022.. 2022. url: http://www.ausflora.org.au.
WAH_2022_2	5	10	Western Australian Herbarium. Florabase—the Western Australian Flora.. accessed on 14 September, 2022.. 2022. url: https://florabase.dpaw.wa.gov.au/.
Sjostrom_2006	4	4	A. Sjöström and C. L. Gross. “Life-history characters and phylogeny are correlated with extinction risk in the Australian angiosperms”. Journal of Biogeography 33.2 (2006), pp. 271-290. doi: 10.1111/j.1365-2699.2005.01393.x.
Barrett_2009	3	3	S. Barrett, S. Comer, N. McQuoid, M. Porter, C. Tiller, and D. Utber. Identification and Conservation of Fire Sensitive Ecosystems and Species of the South Coast Natural Resource Management Region.. government. Department of Conservation and Land Management, South Coast Region, Western Australia, 2009.
Draper_2023	3	3	J. T. Draper, S. Delean, J. G. Conran, P. Weinstein, and B. S. Simpson. “Life-history characteristics and climate correlates of dioecious plant species in central southern Australia”. Australian Journal of Botany unknown.unknown (2023), p. unknown. doi: 10.1071/BT22110.
Wenk_2022	2	2	E. Wenk. “Unpublished data: Australian plant growth forms dataset”. 2022.
Wenk_2023	1	1	E. Wenk. “Unpublished data: Australian plant life history dataset, University of New South Wales, Sydney”. 2023.