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Sonchus asper

1 Prickly Sowthistle at Garran, ACT

Sonchus asper at Garran, ACT - 1 Apr 2018
Sonchus asper at Garran, ACT - 1 Apr 2018
Sonchus asper at Garran, ACT - 1 Apr 2018
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Identification history

Sonchus asper 1 Apr 2018 BettyDonWood
Sonchus asper 1 Apr 2018 ruthkerruish
Sonchus oleraceus 30 Mar 2018 ruthkerruish

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User's notes

I have never seen milk thistles as tall as this - more than 160 cm and so taller than the shrubs planted in 2015!

4 comments

BettyDonWood wrote:
   1 Apr 2018
I am not sure this is not Sonchus asper. Were the leaves stiff and more or less leathery (asper) or soft and thin (oleraceus)
ruthkerruish wrote:
   2 Apr 2018
I have added a couple of photos and leaves are prickly and leathery. So it is as you suggested Sonchus asper.
Mike wrote:
   2 Apr 2018
I think Daisy Sonchus asper (Prickly Sowthistle) on 26 May 2017 is also Sonchus asper and might cause confusion if someone is trying a comparison. (Now re-identified.)
ruthkerruish wrote:
   2 Apr 2018
I understand that Sonchus asper sometimes has red stems, maybe because of temperature, age, rate of growth, etc. HGW plants must have grown at the rate of knots as they appeared suddenly and grew so rapidly.

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Nearby sightings

Page 1 of 1 - image sightings only

zz Polypore (shelf/hoof-like) at Hughes, ACT - 31 Jul 2022 by ruthkerruish
Rytidosperma pilosum (Smooth-flowered Wallaby Grass) at Garran, ACT - 22 May 2022 by Tapirlord
Eucalyptus globulus subsp. bicostata (Southern Blue Gum, Eurabbie) at Garran, ACT - 16 Dec 2021 by ruthkerruish
Gymnopilus junonius (Spectacular Rustgill) at Hughes, ACT - 12 May 2021 by ebristow
Gymnopilus junonius (Spectacular Rustgill) at Hughes, ACT - 8 May 2021 by ebristow
Bothriochloa macra (Red Grass, Red-leg Grass) at Garran, ACT - 3 Apr 2021 by ruthkerruish
Papilio anactus (Dainty Swallowtail) at Hughes, ACT - 21 Mar 2021 by Tapirlord
Epilobium billardiereanum subsp. cinereum (Hairy Willow Herb) at Garran, ACT - 15 Feb 2021 by Tapirlord
Salvia verbenaca var. verbenaca (Wild Sage) at Hughes, ACT - 15 Feb 2021 by Tapirlord
Eucalyptus melliodora (Yellow Box) at Hughes, ACT - 27 Jan 2021 by ruthkerruish
Macropus giganteus (Eastern Grey Kangaroo) at Garran, ACT - 15 Jan 2021 by ruthkerruish
Eucalyptus globulus subsp. bicostata (Southern Blue Gum, Eurabbie) at Garran, ACT - 14 Dec 2020 by ruthkerruish
Amanita sp. (Amanita sp.) at Garran, ACT - 18 Apr 2020 by ruthkerruish
Agrocybe sp. at Garran, ACT - 18 Apr 2020 by ruthkerruish
Panicum effusum (Hairy Panic Grass) at Garran, ACT - 16 Mar 2020 by ruthkerruish
Eolophus roseicapilla (Galah) at Garran, ACT - 6 Jan 2020 by JackyF
Leptospermum continentale (Prickly Teatree) at Garran, ACT - 24 Nov 2019 by ruthkerruish
Kunzea ericoides (Burgan) at Garran, ACT - 23 Nov 2019 by ruthkerruish
Kunzea parvifolia (Violet Kunzea) at Garran, ACT - 18 Oct 2019 by ruthkerruish
Apis mellifera (European honey bee) at Garran, ACT - 18 Oct 2019 by ruthkerruish
Kunzea parvifolia (Violet Kunzea) at Garran, ACT - 18 Oct 2019 by ruthkerruish
Grevillea lanigera (Woolly Grevillea) at Garran, ACT - 24 Apr 2019 by ruthkerruish
Crepis capillaris (Smooth Hawksbeard) at Garran, ACT - 2 Apr 2019 by ruthkerruish
Digitaria sanguinalis (Summer Grass) at Garran, ACT - 23 Jan 2019 by ruthkerruish
Cynodon dactylon (Couch Grass) at Garran, ACT - 23 Jan 2019 by ruthkerruish
Lactuca serriola f. serriola (Prickly Lettuce) at Garran, ACT - 23 Jan 2019 by ruthkerruish
Plantago lanceolata (Ribwort Plantain, Lamb's Tongues) at Garran, ACT - 23 Jan 2019 by ruthkerruish
Sonchus asper (Prickly Sowthistle) at Garran, ACT - 12 Nov 2018 by ruthkerruish
Podargus strigoides (Tawny Frogmouth) at Garran, ACT - 22 Oct 2018 by RobParnell
Dacelo novaeguineae (Laughing Kookaburra) at Garran, ACT - 13 Oct 2018 by roymcd
Cryptes baccatus (Wattle Tick Scale) at Garran, ACT - 11 Oct 2018 by ruthkerruish
Eucalyptus bridgesiana (Apple Box) at Hughes, ACT - 4 Aug 2018 by ruthkerruish
Cirsium vulgare (Spear Thistle) at Garran, ACT - 7 May 2018 by ruthkerruish
Veronica persica (Creeping Speedwell) at Hughes, ACT - 7 May 2018 by ruthkerruish
Oxalis exilis (Shady Wood Sorrel) at Garran, ACT - 1 Apr 2018 by ruthkerruish
Oxalis sp. (Wood Sorrel) at Garran, ACT - 29 Mar 2018 by ruthkerruish
Epilobium billardiereanum subsp. cinereum (Hairy Willow Herb) at Garran, ACT - 19 Jan 2018 by ruthkerruish
Gamochaeta sp. (Cudweed) at Garran, ACT - 25 Dec 2017 by ruthkerruish
Crepis capillaris (Smooth Hawksbeard) at Garran, ACT - 14 Dec 2017 by ruthkerruish
Eragrostis curvula (African Lovegrass) at Hughes, ACT - 14 Dec 2017 by ruthkerruish
Chrysocephalum apiculatum (Common Everlasting) at Garran, ACT - 14 Dec 2017 by ruthkerruish
Vittadinia muelleri (Narrow-leafed New Holland Daisy) at Hughes, ACT - 14 Dec 2017 by ruthkerruish
Oxalis sp. (Wood Sorrel) at Garran, ACT - 5 Dec 2017 by ruthkerruish
Laccaria sp. (Laccaria) at Garran, ACT - 5 Dec 2017 by ruthkerruish
Agrocybe sp. at Garran, ACT - 4 Dec 2017 by ruthkerruish
Latrodectus hasselti (Redback Spider) at Garran, ACT - 3 Dec 2017 by ruthkerruish
Trifolium campestre (Hop Clover) at Garran, ACT - 24 Oct 2017 by ruthkerruish
Silene gallica var. gallica (French Catchfly) at Garran, ACT - 19 Oct 2017 by ruthkerruish
Grevillea juniperina (Grevillea) at Garran, ACT - 7 Oct 2017 by ruthkerruish
Teucrium fruticans (Bush Germander) at Hughes, ACT - 7 Oct 2017 by ruthkerruish
Galium aparine (Goosegrass, Cleavers) at Garran, ACT - 28 Aug 2017 by ruthkerruish
Eragrostis curvula (African Lovegrass) at Garran, ACT - 10 Jun 2017 by ruthkerruish
Eucalyptus melliodora (Yellow Box) at Garran, ACT - 3 Jun 2017 by ruthkerruish
Eucalyptus globulus subsp. bicostata (Southern Blue Gum, Eurabbie) at Garran, ACT - 1 Jun 2017 by ruthkerruish
Eucalyptus cinerea (Argyle Apple) at Hughes, ACT - 20 May 2017 by ruthkerruish
Eucalyptus mannifera subsp. mannifera (Brittle Gum) at Hughes, ACT - 10 May 2017 by ruthkerruish
Rumex brownii (Slender Dock) at Garran, ACT - 31 Mar 2017 by ruthkerruish

Location information

Sighting information

  • 5 Abundance
  • 1 Apr 2018 12:00 AM Recorded on
  • ruthkerruish Recorded by

Additional information

  • True In flower
  • 1 metre to 5 metres Plant height

Species information

  • Sonchus asper Scientific name
  • Prickly Sowthistle Common name
  • Not Sensitive
  • Exotic
  • Minor Weed or Pest
  • Up to 1176.91m Recorded at altitude
  • 54 images trained Machine learning
  • In flower
  • External link More information
  • Synonyms

    Sonchus asper subsp. glaucescens

Record quality

  • Overall Fit for scientific/research use
  • Images or audio
  • More than one media file
  • Verified by an expert moderator
  • Nearby sighting(s) of same species
  • GPS evidence of location
  • Description
  • Additional attributes
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