AusTraits

Eragrostis mexicana

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Family Poaceae

Taxonomy: Eragrostis mexicana (Hornem.) Link

Synonyms: 9 (APC 2026-07-30)
  • Eragrostis cordobensis Jedwabn. (taxonomic synonym)
  • Eragrostis mexicana (Hornem.) Link subsp. mexicana (nomenclatural synonym)
  • Eragrostis mexicana subsp. virescens (J.Presl) S.D.Koch & Sanchez Vega (taxonomic synonym)
  • Eragrostis neomexicana Vasey ex L.H.Dewey (taxonomic synonym)
  • Eragrostis orcuttiana Vasey (taxonomic synonym)
  • Eragrostis rahmeri Phil. (taxonomic synonym)
  • Eragrostis virescens J.Presl (taxonomic synonym)
  • Poa mexicana Hornem. (nomenclatural synonym)
  • Poa virescens (J.Presl) Kunth (taxonomic synonym)

Distribution (APC): WA (naturalised), NT (naturalised), SA (naturalised), Qld (naturalised), NSW (naturalised), ACT (naturalised), Vic (naturalised)

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

Traits

Top source datasets: ABRS_2022 (3), ABRS_2023 (10), Metcalfe_2020_2 (20), NHNSW_2014_2 (2), NHNSW_2022 (3), NHNSW_2023 (7), RBGV_2022 (4), RBGV_2023 (7), SAH_2014 (1), SAH_2022 (3), SAH_2023 (6), Sjostrom_2006 (4), WAH_2022_2 (4), WAH_2023_2 (3), Wenk_2022 (2), Wenk_2023 (1). See below for a full list of sources.
Summary: AusTraits contains 27 traits from 80 records in 16 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) [sources: Metcalfe_2020_2; Sjostrom_2006]
fruit morphology
  • fruit_length (numerical): 0.6 mm (0.2-1 mm) [sources: ABRS_2023; Metcalfe_2020_2]
  • fruit_type (categorical): caryopsis (7) [sources: ABRS_2023; Metcalfe_2020_2; NHNSW_2023; RBGV_2023; SAH_2023; Sjostrom_2006; WAH_2023_2]
  • fruit_fleshiness (categorical): dry (2) [sources: Metcalfe_2020_2; Sjostrom_2006]
  • fruit_dehiscence (categorical): dehiscent (1); indehiscent (2) [sources: Metcalfe_2020_2; Sjostrom_2006]
  • fruit_colour (categorical): brown (1) [sources: ABRS_2023]
leaf morphology
  • leaf_area (numerical): 682.5 mm2 (682.5-682.5 mm2) [sources: Metcalfe_2020_2]
  • leaf_length (numerical): 225 mm (50-300 mm) [sources: ABRS_2023; Metcalfe_2020_2; RBGV_2023]
  • leaf_width (numerical): 6.7 mm (2-10 mm) [sources: ABRS_2023; Metcalfe_2020_2; NHNSW_2023; RBGV_2023; SAH_2014]
  • leaf_shape (categorical): linear (1) [sources: SAH_2023]
  • leaf_compoundness (categorical): simple (2) [sources: Metcalfe_2020_2; NHNSW_2014_2]
  • leaf_lamina_posture (categorical): flat (4); involute (3) [sources: ABRS_2023; NHNSW_2023; RBGV_2023; SAH_2023]
  • leaf_phyllotaxis (categorical): alternate (3) [sources: ABRS_2023; NHNSW_2023; RBGV_2023]
  • plant_photosynthetic_organ (categorical): leaf (4) [sources: ABRS_2023; NHNSW_2023; RBGV_2023; SAH_2023]
life history
  • photosynthetic_pathway (categorical): c4 (1) [sources: Metcalfe_2020_2]
  • plant_growth_form (categorical): graminoid (5); herb (5); tussock (2) [sources: ABRS_2022; Metcalfe_2020_2; NHNSW_2022; RBGV_2022; SAH_2022; WAH_2022_2; Wenk_2022]
  • life_form (categorical): therophyte (1) [sources: Metcalfe_2020_2]
  • life_history (categorical): annual (6) [sources: ABRS_2022; NHNSW_2022; RBGV_2022; SAH_2022; WAH_2022_2; Wenk_2023]
  • woodiness_detailed (categorical): herbaceous (6) [sources: ABRS_2022; NHNSW_2022; RBGV_2022; SAH_2022; WAH_2022_2; Wenk_2022]
  • stem_growth_habit (categorical): decumbent (2); erect (2) [sources: RBGV_2022; WAH_2022_2]
  • root_structure (categorical): non_mycorrhizal (1) [sources: Metcalfe_2020_2]
  • pollination_syndrome (categorical): wind (1) [sources: Metcalfe_2020_2]
  • dispersal_syndrome (categorical): barochory (1) [sources: Metcalfe_2020_2]
  • flowering_time (categorical): yynnnnnnnnny (1) [sources: NHNSW_2014_2]
  • vegetative_reproduction_ability (categorical): not_vegetative (1) [sources: Metcalfe_2020_2]
whole plant morphology
  • plant_height (numerical): 0.85 m (0.12-1.2 m) [sources: NHNSW_2023; RBGV_2023; SAH_2023; WAH_2023_2]

Sources

dataset_idn_traitsn_recordsreference
Metcalfe_2020_21720D. Metcalfe. “Unpublished data: Traits of Poaceae spp, CSIRO”. 2020.
ABRS_2023810Australian Biological Resources Study. Flora of Australia, Australian Biological Resources Study, Canberra.. accessed on 14 September, 2022.. 2023. url: http://www.ausflora.org.au.
NHNSW_202367N. H. of New South Wales. The Plant Information Network System of The Royal Botanic Gardens and Domain Trust Version 2.0.. accessed on 6 May, 2022.. 2023. url: https://plantnet.rbgsyd.nsw.gov.au/.
RBGV_202377VicFlora. Flora of Victoria, Royal Botanic Gardens Victoria. accessed on 6 May, 2022.. 2023. url: https://vicflora.rbg.vic.gov.au/.
SAH_202356S. 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/.
RBGV_202244VicFlora. Flora of Victoria, Royal Botanic Gardens Victoria. accessed on 6 May, 2022.. 2022. url: https://vicflora.rbg.vic.gov.au/.
Sjostrom_200644A. 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.
WAH_2022_244Western Australian Herbarium. Florabase—the Western Australian Flora.. accessed on 14 September, 2022.. 2022. url: https://florabase.dpaw.wa.gov.au/.
ABRS_202233Australian Biological Resources Study. Flora of Australia, Australian Biological Resources Study, Canberra.. accessed on 14 September, 2022.. 2022. url: http://www.ausflora.org.au.
NHNSW_202233N. H. of New South Wales. The Plant Information Network System of The Royal Botanic Gardens and Domain Trust Version 2.0.. accessed on 6 May, 2022.. 2022. url: https://plantnet.rbgsyd.nsw.gov.au/.
SAH_202233S. 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/.
WAH_2023_223Western Australian Herbarium. Florabase—the Western Australian Flora.. accessed on 14 September, 2022.. 2023. url: https://florabase.dpaw.wa.gov.au/.
NHNSW_2014_222Royal Botanic Gardens Sydney. PLantNET: NSW flora online. 2014. url: http://plantnet.rbgsyd.nsw.gov.au/.
Wenk_202222E. Wenk. “Unpublished data: Australian plant growth forms dataset”. 2022.
SAH_201411J. P. Jessop and H. R. Toelken. Flora of South Australia, 4th edition, 4 vols. Electronic version curated by J. Kellermann, State Herbarium of South Australia.. Government Printer, Adelaide, 1986.
Wenk_202311E. Wenk. “Unpublished data: Australian plant life history dataset, University of New South Wales, Sydney”. 2023.