Occurrence record: HO118815

PreservedSpecimen of Euchiton sphaericus | Common cudweed recorded on 1986-12-01


Data partner Australia's Virtual Herbarium
Data resource HO AVH data
Institution code Tasmanian Museum and Art Gallery
Supplied institution code "HO"
Collection code Tasmanian Herbarium
Supplied collection code "HO"
Catalog number HO118815
Basis of record Preserved specimen
Preparations sheet
Identified by P.G. Wilson
Identified date 1999
Collector Harris, S.
Record number s.n.
License CC-BY 3.0 (Au)
Previous identifications Gnaphalium sphaericum
Occurrence remarks Island grazed by cattle, long settled, mostly cleared of original vegetation, strip of scrub along E coast, remainder of island rough pasture; granite bedrock with some areas of deep sand on coast. Altitude: 0-166m. Collection date: 6 & 7 Dec 1986
Occurrence status present
Date identified 1999


Collecting date 1986-12-01
Supplied date "1986-12"
Date precision Day
Verbatim event date Dec 1986


Scientific name Euchiton sphaericus
Supplied scientific name "Euchiton sphaericus (Willd.) Holub"
Taxon rank species
Common name Common cudweed
Kingdom Plantae
Phylum Charophyta
Class Equisetopsida
Order Asterales
Family Asteraceae
Genus Euchiton
Species Euchiton sphaericus
Taxonomic issue No issues
Name match metric Exact match
The supplied name matched the name exactly.
Name parse type wellformed
Scientific name authorship (Willd.) Holub


Country Australia
State / Province Tasmania
Locality Vansittart Island
Latitude -40.265261
Supplied as: "-40.266667"
Longitude 148.317651
Supplied as: "148.316667"
Geodetic datum EPSG:4326
Supplied datum: "unknown"
Verbatim locality Vansittart Island
Coordinate precision 0.016667
Coordinate uncertainty in meters 1000.0
Verbatim SRS AGM66
Biome Marine
Country code AU

User flagged issues 

User Assertion Status:

    Data quality tests

    Test name Result
    Habitat incorrect for species Failed
    Incomplete collection date Warning
    Occurrence status assumed to be present Warning
    Coordinates converted to WGS84 Warning
    Basis of record not supplied Passed
    Basis of record badly formed Passed
    Invalid collection date Passed
    Identification date before occurrence date Passed
    First of the month Passed
    Missing name of person who identified the specimen/observation Passed
    Missing identification date Passed
    Collector name unparseable Passed
    Missing catalogue number Passed
    Data are generalised Passed
    Collection code not recognised Passed
    Institution code not recognised Passed
    Missing taxonomic rank Passed
    Name not supplied Passed
    Name not recognised Passed
    Resource taxonomic scope mismatch Passed
    Invalid scientific name Passed
    Name not in national checklists Passed
    Decimal coordinates not supplied Passed
    Geodetic datum assumed WGS84 Passed
    Unrecognized geodetic datum Passed
    Decimal latitude/longitude conversion failed Passed
    Coordinates are transposed Passed
    Coordinates are out of range for species Passed
    Supplied coordinates are zero Passed
    Zero latitude Passed
    Zero longitude Passed
    Supplied country not recognised Passed
    Coordinate uncertainty not valid Passed
    Missing coordinate precision Passed
    Precision / range mismatch Passed
    Coordinate precision not valid Passed
    Coordinate uncertainty not specified Passed
    Location not supplied Passed
    Country inferred from coordinates Passed
    Supplied coordinates centre of state Passed
    Coordinates centre of country Passed
    Missing geodetic datum Passed
    Coordinates dont match supplied state Passed
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    Additional political boundaries information

    Area Management
    Fallow practice - dominant (area) Fallow 3-9 months
    Fallow practice - dominant (number) Fallow 3-9 months
    Global 200 priority ecoregions - Marine Southern Australian Marine
    Irrigation practice - dominant No irrigation
    NRM Regions 2010 North
    NRM Regions 2014 North
    NRM Regions 2015 North
    NRM Regions 2017 North NRM Region
    NRM Regions 2017 (Qld 2019) North NRM Region
    Stubble practice - dominant (area) Stubble removed
    Stubble practice - dominant (number) Removed = other
    Tillage practice - dominant (area) 1-2 cultivations
    Tillage practice - dominant (number) All practices equal
    Area management
    National Landcare Program Management Units 2018 North NRM Region
    IMCRA 4 Regions Southeast Shelf Transition
    IMCRA Meso-scale Bioregions Flinders
    World Anthropogenic Biomes (2000) Populated croplands
    Agroclimatic classification of Australia Moisture availability high in winter-spring, moderate in summer, most plant growth in spring
    FAO Fishery Statistical Areas 57
    Geomorphology of the Australian Margin and adjacent seafloor Plateau
    Global Seagrass Species Richness (2003) 4.00000000
    Marine Ecoregions of the World Cape Howe
    States including coastal waters Tasmania (including Coastal Waters)

    Environmental sampling for this location

    Acacia – Miller et al 2012 - 0.5 degree 0.5041
    Amphibians (global) – Pyron & Wiens 2011 - 0.5 degree 2.7782
    Endemism 0.0049543837
    Endemism (Non-marine) 0.0057003717
    Mammals – Fritz et al 2009 - 0.5 degree 0.2867
    Occurrence Density 1084.0 frequency
    Shannon Diversity (H) 5.5323305 index
    Species Richness 357.0 frequency
    2030A1BMk35M: Aridity index - annual mean 0.81629694
    2030A1BMk35M: Aridity index - month max 1.8271245
    2030A1BMk35M: Aridity index - month min 0.19857466
    2030A1BMk35M: Evaporation - annual mean 96.31646 mm
    2030A1BMk35M: Evaporation - month max 172.72626 mm
    2030A1BMk35M: Evaporation - month min 42.37875 mm
    2030A1BMk35M: Growth index C3 macrotherm plants - annual mean 0.06 index
    2030A1BMk35M: Growth index C3 mesotherm plants - annual mean 0.39124998 index
    2030A1BMk35M: Growth index C4 megatherm plants - annual mean 0.04 index
    2030A1BMk35M: Humidity - annual mean relative 3pm 81.71502 %
    2030A1BMk35M: Humidity - month max relative 3pm 84.57171 %
    2030A1BMk35M: Humidity - month min relative 3pm 79.485245 %
    2030A1BMk35M: Precipitation - annual mean 57.361668 mm
    2030A1BMk35M: Precipitation - driest month 29.0475 mm
    2030A1BMk35M: Precipitation - equinox seasonality ratio 0.9620615
    2030A1BMk35M: Precipitation - max difference between successive months 0.6100763 mm/day
    2030A1BMk35M: Precipitation - min difference between successive months -0.96310055 mm/day
    2030A1BMk35M: Precipitation - solstice seasonality ratio 0.6849424
    2030A1BMk35M: Precipitation - spring or autumn season -0.039193437
    2030A1BMk35M: Precipitation - summer or winter season -0.45682746
    2030A1BMk35M: Precipitation - wettest month 77.43125 mm
    2030A1BMk35M: Precipitation deficit - annual mean -38.954792 mm
    2030A1BMk35M: Precipitation deficit - month max -117.2325 mm
    2030A1BMk35M: Precipitation deficit - month min 35.0525 mm
    2030A1BMk35M: Radiation - max month precipitation modified 23.82375 MJ/m2/day
    2030A1BMk35M: Radiation - mean annual precipitation modified 14.709167 MJ/m2/day
    2030A1BMk35M: Radiation - min month precipitation modified 5.57125 MJ/m2/day
    2030A1BMk35M: Temperature - annual max mean 18.01052 degrees C
    2030A1BMk35M: Temperature - annual min mean 10.570729 degrees C
    2030A1BMk35M: Temperature - annual range 15.737518 degrees C
    2030A1BMk35M: Temperature - coldest month min 6.84375 degrees C
    2030A1BMk35M: Temperature - coolest month max 14.2225 degrees C
    2030A1BMk35M: Temperature - max difference in max 2.1712341 degrees C/day
    2030A1BMk35M: Temperature - max difference in min 1.7087402 degrees C/day
    2030A1BMk35M: Temperature - max month diurnal range 7.957489 degrees C
    2030A1BMk35M: Temperature - mean annual diurnal range 7.439794 degrees C
    2030A1BMk35M: Temperature - min difference in max -2.7149963 degrees C/day
    2030A1BMk35M: Temperature - min difference in min -1.9875183 degrees C/day
    2030A1BMk35M: Temperature - min month diurnal range 5.930023 degrees C
    2030A1BMk35M: Temperature - month hottest maximum 22.58125 degrees C
    2030A1BMk35M: Temperature - warmest month min 14.7325 degrees C
    Precipitation - annual (Bio12) 742.8 mm
    Precipitation - coldest quarter (Bio19) 224.4 mm
    Precipitation - driest period (Bio14) 7.4 mm
    Precipitation - driest quarter (Bio17) 150.8 mm
    Precipitation - seasonality (Bio15) 18.0 mm
    Precipitation - warmest quarter (Bio18) 153.6 mm
    Precipitation - wettest period (Bio13) 19.8 mm
    Precipitation - wettest quarter (Bio16) 225.0 mm
    Precipitation deficit - annual mean -32.28749 mm
    Precipitation deficit - month max -127.553696 mm
    Radiation - annual mean (Bio20) 14.54 MJ/m2/day
    Radiation - coldest quarter (Bio27) 7.58 MJ/m2/day
    Radiation - driest quarter (Bio25) 17.78 MJ/m2/day
    Radiation - highest period (Bio21) 23.74 MJ/m2/day
    Radiation - lowest period (Bio22) 5.3 MJ/m2/day
    Radiation - seasonality (Bio23) 46.2
    Radiation - warmest quarter (Bio26) 21.56 MJ/m2/day
    Radiation - wettest quarter (Bio24) 6.78 MJ/m2/day
    Temperature - annual mean (Bio01) 13.38 degrees C
    Temperature - annual range (Bio07) 16.0 degrees C
    Temperature - coldest period min (Bio06) 5.76 degrees C
    Temperature - coldest quarter mean (Bio11) 10.02 degrees C
    Temperature - diurnal range mean (Bio02) 7.38 degrees C
    Temperature - driest quarter mean (Bio09) 16.54 degrees C
    Temperature - isothermality (Bio03) 0.46 %
    Temperature - seasonality (Bio04) 0.968
    Temperature - warmest period max (Bio05) 21.779999 degrees C
    Temperature - warmest quarter (Bio10) 17.08 degrees C
    Temperature - wettest quarter mean (Bio08) 10.12 degrees C
    Wind run - annual mean 148.22005 km/day
    Wind run - month max 174.42433 km/day
    Wind run - month min 124.982635 km/day
    Wind speed - annual mean 3pm 3.4071586 m/s
    Wind speed - annual mean 9am 2.1406286 m/s
    Wind speed - annual mean 9am or 3pm 3.55 m/s
    Wind speed - month max 3pm 4.1 m/s
    Wind speed - month max 9am 3.0 m/s
    Wind speed - month max 9am or 3pm 4.1 m/s
    Wind speed - month min 3pm 2.6 m/s
    Wind speed - month min 9am 1.6 m/s
    Wind speed - month min 9am or 3pm 1.6 m/s
    Distance - to any water (weighted) 0.044721358 degrees
    Distance - to coast 0.0 km x 100
    Distance - to non-permanent water (weighted) 0.4368066 degrees
    Distance - to permanent water (weighted) 0.044721358 km
    Euclidean Distance to Coast (metres) 2622.3806 m
    Marspec Distance to Shore 1.0 km
    Water Observations From Space 0.0 Percentage
    GEOMACS - geometric mean 0.022101 Pascals
    Marspec Annual Range in Sea Surface Salinity 0.22999999 100 x psu
    Marspec Annual Range in Sea Surface Temperature 8.38 100 x degrees C
    Marspec Annual Variance in Sea Surface Salinity 0.52 100 x psu
    Marspec Annual Variance in Sea Surface Temperature 9.2794 10,000 x degrees C
    Marspec Bathymetric Slope 0.0 10 x degrees
    Marspec Concavity -0.001 1000 x degrees
    Marspec East/West Aspect -0.44 radians
    Marspec Maximum Monthly Sea Surface Salinity 35.52 100 x psu
    Marspec Mean Annual Sea Surface Salinity 35.38 100 x psu
    Marspec Mean Annual Sea Surface Temperature 14.99 100 x degrees C
    Marspec Minimum Monthly Sea Surface Salinity 35.29 100 x psu
    Marspec North/South Aspect 0.89 1 x radians
    Marspec Plan Curvature 0.0 x 10000
    Marspec Profile Curvature 1.0E-4 x 10000
    Marspec Sea Surface Temperature of the coldest ice-free month 11.099999 100 x degrees C
    Marspec Sea Surface Temperature of the warmest ice-free month 19.48 100 x degrees C
    Sea Surface Temperature - MODIS Terra 15.08753 Degrees C
    SeaWIFS K490 Mean 0.12373557 Kd@490nm/m^2
    SeaWiFS Chlorophyll Mean 1.2161415 mg/m^3
    2030A1BMk35M: Crop factor - annual mean 0.686201
    2030A1BMk35M: Crop factor - month max 0.9
    2030A1BMk35M: Crop factor - month min 0.19857466
    2030A1BMk35M: Water deficit - month max 66.21425 mm
    2030A1BMk35M: Water deficit - month mean 16.152348 mm
    2030A1BMk35M: Water deficit - month min 0.0 mm
    2030A1BMk35M: Water potential - annual mean -0.7990259 MPa
    2030A1BMk35M: Water potential - month max -0.023931835 MPa
    2030A1BMk35M: Water potential - month min -1.5 MPa
    2030A1BMk35M: Water stress index - annual mean 61.758087
    2030A1BMk35M: Water stress index - month max 80.99999
    2030A1BMk35M: Water stress index - month min 17.871717
    2030A1BMk35M: Water surplus - annual mean 0.0 mm
    2030A1BMk35M: Water surplus - month max 0.0 mm
    2030A1BMk35M: Water surplus - month min 0.0 mm
    Bouguer gravity anomalies 240.85431 Gal
    Bulk density 1.4910526 Mg/m^3
    Calcrete 0.0 presence
    Carbon store pre-European 99.835106 kgC/ha
    Clay % 29.18158 %
    Erosional surfaces - proportion 50.0 %
    Hydrologic conductivity - average saturated 138.88889 mm/h
    Hydrological conductivity - uncertainty 21.11111
    Lithology - age range 48.8 my
    Lithology - fertility 4.75 index
    Lithology - mean age 394.14 my
    Lithology - mean age (log) 2.5948505 log my
    Lithology - mean age range (log) 1.6581762 log my
    Magnetic anomalies -50.0 nT
    Moisture Index - annual mean (Bio28) 0.716
    Moisture Index - coldest quarter mean (Bio35) 0.98
    Moisture Index - highest period (Bio29) 1.0
    Moisture Index - highest quarter mean (Bio32) 1.0
    Moisture Index - lowest period (Bio30) 0.214
    Moisture Index - lowest quarter mean (Bio33) 0.33200002
    Moisture Index - seasonality (Bio31) 38.2
    Moisture Index - warmest quarter mean (Bio34) 0.336
    Nitrogen - plant-available pre-European 8626.389 kgN/ha
    Nitrogen concentration pre-European 56.880573 mgN kg/H2O
    Nitrogen store pre-European 111.159225 kgN/ha
    Nutrient status 1.0 index
    Pedality hydrological score 1.8378947
    Phosphorus - plant-available pre-European 20.457596 kgP/ha
    Phosphorus - plant-available total pre-European 1284.2947 kgP/ha
    Phosphorus pre-European 10.468254 mgP kg/H2O
    Soil depth 0.9 m
    Soil pedality 1.8378947
    Soils - coarse 0.0 class
    Substrate data reliability 1.0
    Topographic wetness index 2.991663
    Unreliable water retention parameters 0.0
    Water holding capacity - plant-available 127.0 mm
    Weathering Intensity V2 3.68127 Weathering Intensity Index
    Averaged Topographic Relief 4.1666665 metres
    Bathymetry and Topography 9 sec 0.0 m
    Ridge top flatness 0.0
    Ridge top flatness - proportion 0.0 %
    Topographic Slope (degrees) 0.0 degrees
    Topographic relief 43.61949 m
    Topographic roughness 141.2905 %
    Topographic slope (%) 2.770904 %
    Valley bottom % 0.0 %
    Valley bottom flatness index 0.6436594
    Fraction of Photosynthetically Active Radiation (fPAR) 16.0 %
    Gross Primary Productivity (2012-03-13) 0.0 kg C/m^2
    Leaf Area Index (LAI) - 2012-03-05 0.3 m^2 plant / m^2 ground
    Phenology peak day of year 2002 dry 132.55556 Day
    Phenology peak day of year 2012 wet 181.0 Day