Occurrence record: DNA D0142392

Preserved specimen of Striga squamigera W.R.Barker recorded on 2000-07-19

Dataset

Data partner Australia's Virtual Herbarium
Data resource DNA AVH data
Institution code Department of Environment and Natural Resources
Supplied institution code "DNA"
Collection Northern Territory Herbarium (Darwin)
Supplied collection code "DNA"
Catalog number DNA D0142392
Occurrence ID DNA:DNA:DNA D0142392
Record type Preserved specimen
Supplied basis "PreservedSpecimen"
Preparations sheet
Collector Jennifer Anne Risler | Raelee Ann Kerrigan
Record number 437
Reproductive condition flower,fruit
License CC-BY 4.0 (Int)
Presence/Absence PRESENT
Supplied as Present
Occurrence remarks Erect herb to 30cm with roots to 10cm deep in red sand. Common on roadside with Triodia, Aristida inequiglumis, A. holathera, Polymeria sp., Trianthema, and Zornia. Seeds many, triangular, twisted with fine longitudinal ridges.
State conservation Northern Territory:

Event

Occurrence date 2000-07-19
Date precision DAY

Taxonomy

Scientific name Striga squamigera
Supplied scientific name "Striga squamigera W.R.Barker"
Identified to rank species
Kingdom Plantae
Phylum Charophyta
Class Equisetopsida
Order Lamiales
Family Linderniaceae
Supplied as "OROBANCHACEAE"
Genus Striga
Species Striga squamigera
Name match metric exactMatch
Scientific name authorship W.R.Barker
Name parse type SCIENTIFIC

Geospatial

Country Australia
State or Territory Northern Territory
Supplied as: "The Northern Territory"
Locality Alexandria Station, 2.5km E of NW corner of Dry Pdk
Latitude -18.9856
Supplied as: "-18.9856000005811"
Longitude 136.7067
Supplied as: "136.7067"
Datum EPSG:4326
Supplied datum: "WGS84"
Verbatim locality Alexandria Station, 2.5km E of NW corner of Dry Pdk
Coordinate precision Unknown
Coordinate uncertainty (in metres) 100.0
Georeferenced by Jennifer Anne Risler | Raelee Ann Kerrigan
Terrestrial true
Biome TERRESTRIAL
Marine false
Country Code AU

User flagged issues 

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    Test name Result
    Coordinate rounded Warning
    First of the century Warning
    Coordinates dont match supplied state Warning
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    Additional political boundaries information

    Area Management
    Australian Tropical Savanna Australian Tropical Savanna
    Fallow practice - dominant (area) No cereal producers
    Fallow practice - dominant (number) No cereal producers
    Irrigation practice - dominant No irrigation
    Land use Grazing of native pastures
    NRM Regions 2010 Northern Territory
    NRM Regions 2014 Northern Territory
    NRM Regions 2015 Northern Territory
    NRM Regions 2017 Northern Territory
    NRM Regions 2017 (Qld 2019) Northern Territory
    Stubble practice - dominant (area) No cereal producers
    Stubble practice - dominant (number) No cereal producers
    Tillage practice - dominant (area) No cereal producers
    Tillage practice - dominant (number) No cereal producers
    Area management
    National Landcare Program Management Units 2018 Northern Territory
    Biodiversity
    Freshwater Ecoregions of the World Lake Eyre Basin
    IBRA 6 Regions Gulf Fall and Uplands
    IBRA 6 Sub Regions McArthur - South Nicholson Basins
    IBRA 7 Regions Gulf Fall and Uplands
    IBRA 7 Subregions McArthur
    Terrestrial Ecoregional Boundaries Carpentaria Tropical Savanna
    World Anthropogenic Biomes (2000) Remote rangelands
    Climate
    Agroclimatic classification of Australia Semi-arid, with some growth in the warm season, but too dry for cropping
    Koppen Climate Classification (All Classes) Grassland: hot (winter drought)
    Koppen Climate Classification (Major Classes) Grassland
    Fire
    Fire regime niches Eucalypt forest and woodland (tropical)
    Hydrology
    Drainage Divisions Level 1 Tanami-Timor Sea Coast
    Drainage Divisions Level 2 VICTORIA RIVER-WISO
    River Regions VICTORIA RIVER-WISO
    Marine
    Marine Ecoregions of the World Arnhem Coast to Gulf of Carpenteria
    States including coastal waters Northern Territory (including Coastal Waters)
    Political
    ASGS Australian States and Territories Northern Territory
    Australian States and Territories Northern Territory
    Commonwealth Electoral Boundaries Lingiari
    Local Government Areas 2011 Barkly (S)
    Local Government Areas 2012 deprecated Tableland
    Local Government Areas PSMA 2018 BARKLY REGION
    PSMA ABS Census Indigenous Language Speakers by Area - I01B (2016) 321
    PSMA ABS Census Selected Person Characteristics by Indigenous Status by Area - I01A (2016) 506
    PSMA ABS Greater Capital City Statistical Areas (2016) REST OF NT
    PSMA ABS SA2 Statistical Areas (2016) BARKLY
    PSMA ABS SA3 Statistical Areas (2016) BARKLY
    PSMA ABS SA4 Statistical Areas (2016) NORTHERN TERRITORY - OUTBACK
    PSMA Commonwealth Electoral Boundaries (2016) LINGIARI
    PSMA Commonwealth Electoral Boundaries (2018) LINGIARI
    PSMA Indigenous Areas (2016) BARKLY
    PSMA Indigenous Locations (2016) BARKLY TABLELANDS - OUTSTATIONS
    PSMA Indigenous Regions (2016) TENNANT CREEK
    PSMA Localities (2018) NICHOLSON
    PSMA Remoteness Areas (2016) Very Remote Australia
    PSMA Section of State (2016) RURAL BALANCE
    PSMA Section of State Range (2016) REMAINDER OF STATE/TERRITORY
    PSMA Significant Urban Area (2016) NOT IN ANY SIGNIFICANT URBAN AREA (NT)
    PSMA State Electoral Boundaries (2016) BARKLY
    PSMA State Electoral Boundaries (2018) BARKLY
    PSMA States (2016) NORTHERN TERRITORY
    PSMA Urban Centre and Locality (2016) REMAINDER OF STATE/TERRITORY (NT)
    PSMA Wards (2018) KUWARRANGU WARD
    Statistical Local Areas Barkly (S) Bal
    World Country Boundaries Australia
    Substrate
    Geological Regions of Australia Georgina Region
    Surface Geology of Australia Czs
    Topography
    Physiographic Provinces of Australia Barkly-Tanami Plains Province
    Physiographic Regions 2011 Barkly Tablelands
    Vegetation
    Australia's Indigenous forest estate (2013) v2.0 Non-Indigenous, Non forest
    Forests of Australia (2013) v2.0 Non Forest
    IGBP Land Cover vegetation classification scheme (2011) Grasslands
    Land cover Native shrublands and heathlands
    NVIS 4.1 Major Vegetation Groups Eucalypt Open Woodlands
    NVIS 4.1 Major Vegetation Subgroups Eucalyptus low open woodlands with hummock grass
    Tenure of Australia's forests (2013) v2.0 Leasehold
    Vegetation - condition Residual
    Vegetation types - native Eucalypt open woodlands
    Vegetation types - present Eucalyptus open woodlands

    Environmental sampling for this location

    Area Management
    Natural resource management expenditure 1.0309905E7 $
    Biodiversity
    Acacia – Miller et al 2012 - 0.5 degree 0.345
    Amphibians (global) – Pyron & Wiens 2011 - 0.5 degree 1.9959
    Endemism 0.005440129
    Endemism (Non-marine) 0.005450612
    Mammals – Fritz et al 2009 - 0.5 degree 0.0
    Migratory species (2008) 3.0 frequency
    Occurrence Density 29.0 frequency
    Shannon Diversity (H) 3.1102364 index
    Species Richness 24.0 frequency
    Threatened communities (2008) 0.0 frequency
    Threatened species (2008) 0.0 frequency
    Climate
    2030A1BMk35M: Aridity index - annual mean 0.12849662
    2030A1BMk35M: Evaporation - month min 158.88 mm
    2030A1BMk35M: Precipitation - annual mean 34.2225 mm
    2030A1BMk35M: Precipitation - driest month 0.52 mm
    2030A1BMk35M: Precipitation - equinox seasonality ratio 0.7256907
    2030A1BMk35M: Precipitation - spring or autumn season -0.37021014
    2030A1BMk35M: Temperature - annual max mean 34.703335 degrees C
    2030A1BMk35M: Temperature - annual min mean 19.611666 degrees C
    2030A1BMk35M: Temperature - annual range 28.529999 degrees C
    Aridity index - annual mean 0.1261613
    Aridity index - month max 0.42051187
    Aridity index - month min 0.004478484
    Evaporation - annual mean 251.92198 (ml/5km x 5km pixel)
    Evaporation - average 9736.0 ml
    Evaporation - month max 334.20016 mm
    Evaporation - month min 166.68987 mm
    Evaporation - variability 35.0 %
    Growth index C3 macrotherm plants - annual mean 0.11 index
    Growth index C3 mesotherm plants - annual mean 0.03 index
    Growth index C4 megatherm plants - annual mean 0.11 index
    Humidity - annual mean relative 65.66965 %
    Humidity - annual mean relative 3pm 46.867794 %
    Humidity - month max relative 77.90032 %
    Humidity - month max relative 3pm 53.040657 %
    Humidity - month min relative 40.676212 %
    Humidity - month min relative 3pm 40.676212 %
    Precipitation - annual 399.0 mm
    Precipitation - annual (Bio12) 451.0 mm
    Precipitation - annual mean 33.220314 mm
    Precipitation - annual seasonality 6.903195
    Precipitation - coldest quarter (Bio19) 12.0 mm
    Precipitation - driest month 1.0 mm
    Precipitation - driest period (Bio14) 0.0 mm
    Precipitation - driest quarter (Bio17) 10.0 mm
    Precipitation - equinox seasonality ratio 0.60714287
    Precipitation - seasonality (Bio15) 111.0 mm
    Precipitation - spring or autumn season -0.63461536
    Precipitation - warmest quarter (Bio18) 266.0 mm
    Precipitation - wettest month 97.0 mm
    Precipitation - wettest period (Bio13) 30.0 mm
    Precipitation - wettest quarter (Bio16) 310.0 mm
    Radiation - annual mean (Bio20) 22.3 MJ/m2/day
    Radiation - seasonality (Bio23) 16.0
    Radiation - warmest quarter (Bio26) 25.4 MJ/m2/day
    Temperature - annual max mean 32.517498 degrees C
    Temperature - annual mean (Bio01) 25.8 degrees C
    Temperature - annual min mean 17.643333 degrees C
    Temperature - annual range 35.700012 degrees C
    Temperature - annual range (Bio07) 28.8 degrees C
    Temperature - coldest month min 9.43 degrees C
    Temperature - coldest period min (Bio06) 9.7 degrees C
    Temperature - coldest quarter mean (Bio11) 19.2 degrees C
    Temperature - diurnal range mean (Bio02) 15.0 degrees C
    Temperature - driest quarter mean (Bio09) 19.7 degrees C
    Temperature - isothermality (Bio03) 0.52 %
    Temperature - month hottest maximum 37.67 degrees C
    Temperature - seasonality (Bio04) 1.55
    Temperature - warmest month min 23.68 degrees C
    Temperature - warmest period max (Bio05) 38.5 degrees C
    Temperature - warmest quarter (Bio10) 30.7 degrees C
    Temperature - wettest quarter mean (Bio08) 30.5 degrees C
    Wind run - annual mean 168.43272 km/day
    WorldClim: Precipitation - annual 396.0 mm
    WorldClim: Precipitation - coldest quarter 11.0 mm
    WorldClim: Precipitation - driest month 1.0 mm
    WorldClim: Precipitation - driest quarter 11.0 mm
    WorldClim: Precipitation - seasonality 101.0
    WorldClim: Precipitation - warmest quarter 185.0 mm
    WorldClim: Precipitation - wettest month 102.0 mm
    WorldClim: Precipitation - wettest quarter 258.0 mm
    WorldClim: Temperature - annual mean 255.0 degrees C * 10
    WorldClim: Temperature - annual range 281.0 degrees C * 10
    WorldClim: Temperature - coldest month min 98.0 degrees C * 10
    WorldClim: Temperature - coldest quarter mean 188.0 degrees C * 10
    WorldClim: Temperature - diurnal range mean 147.0 degrees C * 10
    WorldClim: Temperature - driest quarter mean 188.0 degrees C * 10
    WorldClim: Temperature - isothermality 52.0 %
    WorldClim: Temperature - seasonality 4632.0 standard deviation (degrees C * 10) * 100
    WorldClim: Temperature - warmest month max 379.0 degrees C * 10
    WorldClim: Temperature - warmest quarter mean 304.0 degrees C * 10
    WorldClim: Temperature - wettest quarter mean 303.0 degrees C * 10
    Distance
    Distance - to any water (weighted) 0.06708204 degrees
    Distance - to coast 2.732709 km x 100
    Distance - to non-permanent water (weighted) 0.12727922 degrees
    Distance - to permanent water (weighted) 0.06708204 km
    Euclidean Distance to Coast (metres) 426404.12 m
    Remoteness index 17.942474
    Fire
    Fire - time since last 8.0 years
    Fire frequency 1.0 frequency
    Hydrology
    Drainage - average 47.0 megalitres/5x5km/year
    Drainage - variability 323.0 %
    Runoff - average 682.0 megalitres/5x5km/year
    Water Observations From Space 0.0 Percentage
    Social
    Population - density SLA 2006 p/sqkm) 0.0 people/km^2
    Substrate
    2030A1BMk35M: Water stress index - month max 40.54902
    ASRIS 0-1m Plant Available Water Capacity (250m raster) 142.0 mm
    ASRIS 0-30cm Bulk Density (250m raster) 1.3 Mg/m3
    ASRIS 0-30cm Clay Content (250m raster) 5.0 %
    Bulk density 1.3450236 Mg/m^3
    Carbon - organic 0.0845749 %
    Clay % 5.6682463 %
    Hydrologic conductivity - average saturated 300.0 mm/h
    Moisture Index - annual mean (Bio28) 0.14
    Moisture Index - highest quarter mean (Bio32) 0.37
    Nutrient status 1.0 index
    Soil depth 0.9 m
    Soil pedality 1.7661138
    Water holding capacity 54000.0 mm
    Water stress index - month max 37.84607
    Weathering Intensity V2 5.92559 Weathering Intensity Index
    Topography
    Aspect 156.0 degrees
    Averaged Topographic Relief 54.75 metres
    Bathymetry and Elvation 9 sec 252.0 m
    Elevation 258.0 m
    Topographic Slope (degrees) 0.42929706 degrees
    Topographic relief 5.946945 m
    Topographic slope (%) 0.3217758 %
    Vegetation
    Enhanced Vegetation Index (2012-03-05) 0.2707 EVI
    Fraction of Photosynthetically Active Radiation (fPAR) 33.0 %
    Fractional Cover - Bare Soil (2012-03-05) 57.0 % Bare Soil
    Fractional Cover - Non-persistent Vegetation (2012-03-05) 8.0 % Non-persistent Vegetation
    Fractional Cover - Persistent Vegetation (2012-03-05) 35.0 % Persistent Vegetation
    Gross Primary Productivity (2012-03-13) 0.0076 kg C/m^2
    Leaf Area Index (LAI) - 2012-03-05 0.7 m^2 plant / m^2 ground
    NDVI Mean 30.0 NDVI x 100
    NPP Mean 2.0 tonnes/ha/yr
    Normalized Difference Vegetation Index (2012-03-05) 0.402 NDVI