Rytidosperma dimidiatum

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Family Poaceae

Taxonomy: Rytidosperma dimidiatum (Vickery) Connor & Edgar

Synonyms: 2 (APC 2026-07-30)

Danthonia dimidiata Vickery (nomenclatural synonym)
Notodanthonia dimidiata (Vickery) Veldkamp (nomenclatural synonym)

Distribution (APC): Vic, Tas

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

Traits

Top source datasets: ABRS_2022 (4), ABRS_2023 (5), GrassBase_2014 (8), Jordan_2001 (7), Mokany_2015 (2), Osborne_2014 (1), Sjostrom_2006 (4), Wenk_2022 (2), Wenk_2023 (1), White_2020 (18). See below for a full list of sources.
Summary: AusTraits contains 36 traits from 52 records in 10 datasets.

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

flower morphology

sex_type (categorical): hermaphrodite (2); monoecious (1) [sources: Jordan_2001; Sjostrom_2006]

fruit morphology

fruit_length (numerical): 1.55 mm (1.5-1.6 mm) [sources: ABRS_2023]
fruit_type (categorical): caryopsis (2) [sources: ABRS_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): 851.11 mm2 (818.65-883.57 mm2) [sources: Mokany_2015]
leaf_length (numerical): 70 mm (20-120 mm) [sources: GrassBase_2014]
leaf_width (numerical): 1.25 mm (1-1.5 mm) [sources: GrassBase_2014]
leaf_phyllotaxis (categorical): alternate (1) [sources: ABRS_2023]
plant_photosynthetic_organ (categorical): leaf (1) [sources: ABRS_2023]

life history

photosynthetic_pathway (categorical): c3 (2) [sources: Osborne_2014; White_2020]
plant_growth_form (categorical): graminoid (2); graminoid_not_tussock (1); herb (1) [sources: ABRS_2022; Wenk_2022; White_2020]
life_history (categorical): perennial (3) [sources: ABRS_2022; Jordan_2001; Wenk_2023]
woodiness_detailed (categorical): herbaceous (2) [sources: ABRS_2022; Wenk_2022]
stem_growth_habit (categorical): caespitose (1) [sources: ABRS_2022]
nitrogen_fixing (categorical): non_nitrogen_fixer (1) [sources: White_2020]
parasitic (categorical): not_parasitic (1) [sources: White_2020]
pollination_syndrome (categorical): abiotic (1) [sources: White_2020]
dispersal_syndrome (categorical): epizoochory (1) [sources: White_2020]
dispersers (categorical): mammals (1) [sources: White_2020]
flowering_time (categorical): yynnnnnnnnnn (1) [sources: White_2020]
seedbank_longevity_class (categorical): persistent (1) [sources: White_2020]
vegetative_reproduction_ability (categorical): not_vegetative (1) [sources: White_2020]

seed morphology

seed_length (numerical): 2.78 mm (1.5-4 mm) [sources: Jordan_2001; GrassBase_2014]
seed_width (numerical): 1.5 mm (1.5-1.5 mm) [sources: Jordan_2001]

whole plant morphology

plant_height (numerical): 0.28 m (0.15-0.4 m) [sources: GrassBase_2014]
plant_physical_defence_structures (categorical): absent (1) [sources: White_2020]

Sources

dataset_id	n_traits	n_records	reference
White_2020	18	18	M. White, S. Sinclair, and D. Frood. Victorian Vital Attributes Database. database. Department of Environment, Land, Water and Planning, Victoria, 2020.
GrassBase_2014	4	8	W. Clayton, M. Vorontsova, and K. H. &. H. Williamson. GrassBase - The online world grass flora. 2006. url: http://www.kew.org/data/grasses-db.html.
Jordan_2001	7	7	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.
ABRS_2023	4	5	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	4	4	Australian Biological Resources Study. Flora of Australia, Australian Biological Resources Study, Canberra.. accessed on 14 September, 2022.. 2022. url: http://www.ausflora.org.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.
Mokany_2015	1	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.
Wenk_2022	2	2	E. Wenk. “Unpublished data: Australian plant growth forms dataset”. 2022.
Osborne_2014	1	1	C. Osborne, A. Salomaa, T. Kluyver, V. Visser, E. Kellogg, O. Morrone, M. Vorontsova, W. Clayton, and D. Simpson. “A global database of C4 photosynthesis in grasses”. New Phytologist 204 (2014), pp. 441-446. doi: 10.1111/nph.12942.
Wenk_2023	1	1	E. Wenk. “Unpublished data: Australian plant life history dataset, University of New South Wales, Sydney”. 2023.