Lemna disperma

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Family Araceae

Taxonomy: Lemna disperma Hegelm.

Synonyms: 4 (APC 2026-07-30)

Lemna disperma Hegelm. subsp. disperma (nomenclatural synonym)
Lemna disperma Hegelm. var. disperma (nomenclatural synonym)
Lemna disperma subsp. fallax Hegelm. (taxonomic synonym)
Lemna disperma var. fallax Hegelm. (taxonomic synonym)

Misapplied names: 3 (APC 2026-07-30)

Lemna minor L. (pro parte misapplied)
Lemna minor L. (misapplied)
Lemna perpusilla Torr. (misapplied)

Distribution (APC): WA, SA, NSW, Vic, Tas

Profiles: APC, Flora of Australia, ALA, iNaturalist, NSW Flora, SA eFlora, Vic Flora, Florabase, ATRP

Traits

Top source datasets: ABRS_2023 (11), Catford_2014 (6), Cheal_2017 (4), Draper_2023 (3), Jordan_2001 (6), Mokany_2015 (2), Morgan_2011_1 (4), NHNSW_2014_2 (2), RBGV_2022 (5), RBGV_2023 (1), SAH_2022 (4), SAH_2023 (2), Sjostrom_2006 (4), WAH_1998 (1), WAH_2022_2 (5), Wenk_2022 (2), Wenk_2023 (1), White_2020 (19), Williams_2011 (12). See below for a full list of sources.
Summary: AusTraits contains 50 traits from 94 records in 19 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 (2) [sources: Cheal_2017; White_2020]

flower morphology

sex_type (categorical): hermaphrodite (1); monoecious (3) [sources: Jordan_2001; Sjostrom_2006; WAH_2022_2]

fruit morphology

fruit_length (numerical): 0.75 mm (0.7-0.8 mm) [sources: ABRS_2023]
fruit_type (categorical): berry (2); utricle (1) [sources: ABRS_2023; SAH_2023; Sjostrom_2006]
fruit_fleshiness (categorical): dry (2) [sources: Jordan_2001; Sjostrom_2006]
fruit_dehiscence (categorical): indehiscent (1) [sources: Sjostrom_2006]

leaf morphology

leaf_area (numerical): 6.28 mm2 (6.28-6.28 mm2) [sources: Mokany_2015]
leaf_length (numerical): 2.4 mm (0.8-4 mm) [sources: ABRS_2023]
leaf_mass_per_area (numerical): 26.02 g/m2 (26.02-26.02 g/m2) [sources: Catford_2014]
leaf_shape (categorical): obovate (1) [sources: ABRS_2023]
leaf_margin (categorical): entire (1) [sources: ABRS_2023]
leaf_lamina_posture (categorical): flat (1) [sources: ABRS_2023]
leaf_phyllotaxis (categorical): alternate (1) [sources: ABRS_2023]
plant_photosynthetic_organ (categorical): leaf (3) [sources: ABRS_2023; RBGV_2023; SAH_2023]

life history

photosynthetic_pathway (categorical): c3 (2) [sources: White_2020; Williams_2011]
plant_growth_form (categorical): herb (6); shrub (1) [sources: Catford_2014; RBGV_2022; SAH_2022; WAH_2022_2; Wenk_2022; White_2020; Williams_2011]
life_form (categorical): hemicryptophyte (1); hydrophyte (1) [sources: Morgan_2011_1; Williams_2011]
life_history (categorical): annual (3); perennial (4) [sources: Jordan_2001; Morgan_2011_1; RBGV_2022; SAH_2022; WAH_2022_2; Wenk_2023]
plant_growth_substrate (categorical): aquatic (4) [sources: NHNSW_2014_2; RBGV_2022; WAH_2022_2; Williams_2011]
woodiness_detailed (categorical): herbaceous (4) [sources: RBGV_2022; SAH_2022; WAH_2022_2; Wenk_2022]
stem_growth_habit (categorical): floating (3) [sources: RBGV_2022; SAH_2022; Williams_2011]
nitrogen_fixing (categorical): non_nitrogen_fixer (2) [sources: White_2020; Williams_2011]
root_structure (categorical): non_mycorrhizal (1) [sources: Williams_2011]
parasitic (categorical): not_parasitic (1) [sources: White_2020]
pollination_syndrome (categorical): abiotic (1); insect (1); pollination_rare (1); water (1); wind (1) [sources: Draper_2023; White_2020]
pollination_system (categorical): abiotic (1) [sources: Williams_2011]
dispersal_syndrome (categorical): barochory (2); epizoochory (2); hydrochory (2); zoochory (1) [sources: Catford_2014; Draper_2023; Morgan_2011_1; White_2020; Williams_2011]
dispersers (categorical): birds (1); water (1) [sources: Draper_2023; White_2020]
flowering_time (categorical): nnnnnnnnnyyy (1); nnnnnnnnyyyy (1); nnnnynnnnnnn (1) [sources: NHNSW_2014_2; WAH_1998; White_2020]
seedbank_longevity_class (categorical): transient (1) [sources: White_2020]
vegetative_reproduction_ability (categorical): not_vegetative (1); vegetative (2) [sources: Catford_2014; Morgan_2011_1; White_2020]
clonal_spread_mechanism (categorical): aboveground_clonal (1) [sources: Williams_2011]

seed morphology

seed_dry_mass (numerical): 0.07 mg (0.07-0.07 mg) [sources: Catford_2014]
seed_length (numerical): 1 mm (1-1 mm) [sources: Jordan_2001]
seed_width (numerical): 1 mm (1-1 mm) [sources: Jordan_2001]

whole plant morphology

plant_height (numerical): 0.05 m (0.05-0.05 m) [sources: Mokany_2015]
plant_physical_defence_structures (categorical): absent (1) [sources: White_2020]

Sources

dataset_id	n_traits	n_records	reference
White_2020	19	19	M. White, S. Sinclair, and D. Frood. Victorian Vital Attributes Database. database. Department of Environment, Land, Water and Planning, Victoria, 2020.
Williams_2011	12	12	R. P. Duncan, S. E. Clemants, R. T. Corlett, A. K. Hahs, M. A. McCarthy, M. J. McDonnell, M. W. Schwartz, K. Thompson, P. A. Vesk, and N. S. G. Williams. “Plant traits and extinction in urban areas: a meta-analysis of 11 cities”. Global Ecology and Biogeography 20.4 (2011), pp. 509-519. doi: 10.1111/j.1466-8238.2010.00633.x.
ABRS_2023	9	11	Australian Biological Resources Study. Flora of Australia, Australian Biological Resources Study, Canberra.. accessed on 14 September, 2022.. 2023. url: http://www.ausflora.org.au.
Catford_2014	6	6	J. A. Catford, W. K. Morris, P. A. Vesk, C. J. Gippel, and B. J. Downes. “Species and environmental characteristics point to flow regulation and drought as drivers of riparian plant invasion”. Diversity and Distributions 20 (2014), pp. 1084-1096. doi: 10.1111/ddi.12225.
Jordan_2001	6	6	G. J. Jordan. “An investigation of long-distance dispersal based on species native to both Tasmania and New Zealand”. Australian Journal of Botany 49.3 (2001), pp. 333-340. doi: 10.1071/bt00024.
RBGV_2022	5	5	VicFlora. Flora of Victoria, Royal Botanic Gardens Victoria. accessed on 6 May, 2022.. 2022. url: https://vicflora.rbg.vic.gov.au/.
WAH_2022_2	5	5	Western Australian Herbarium. Florabase—the Western Australian Flora.. accessed on 14 September, 2022.. 2022. url: https://florabase.dpaw.wa.gov.au/.
Cheal_2017	4	4	D. Cheal. Growth stages and tolerable fire intervals for Victoria's native vegetation data sets. Fire and adaptive management, report no. 84. Victorian Government Department of Sustainability and Environment Melbourne, 2010.
Morgan_2011_1	4	4	J. Morgan. “Unpublished data: Grassy woodland traits, La Trobe University”. 2011.
SAH_2022	4	4	S. H. of South Australia. eFlora of SA, Electronic Flora of South Australia. accessed on 6 May, 2022.. 2022. url: http://www.flora.sa.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.
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.
Mokany_2015	2	2	K. Mokany, J. J. Thomson, A. J. J. Lynch, G. J. Jordan, and S. Ferrier. “Linking changes in community composition and function under climate change”. Ecological Applications 25.8 (2015), pp. 2132-2141. doi: 10.1890/14-2384.1.
NHNSW_2014_2	2	2	Royal Botanic Gardens Sydney. PLantNET: NSW flora online. 2014. url: http://plantnet.rbgsyd.nsw.gov.au/.
SAH_2023	2	2	S. H. of South Australia. eFlora of SA, Electronic Flora of South Australia. accessed on 6 May, 2022.. 2022. url: http://www.flora.sa.gov.au/.
Wenk_2022	2	2	E. Wenk. “Unpublished data: Australian plant growth forms dataset”. 2022.
RBGV_2023	1	1	VicFlora. Flora of Victoria, Royal Botanic Gardens Victoria. accessed on 6 May, 2022.. 2023. url: https://vicflora.rbg.vic.gov.au/.
WAH_1998	1	1	Western Australian Herbarium. FloraBase: The Western Australian flora. 1998. url: http://florabase.dpaw.wa.gov.au.
Wenk_2023	1	1	E. Wenk. “Unpublished data: Australian plant life history dataset, University of New South Wales, Sydney”. 2023.