I thought that she might have had ingested ragwort, which is extremely poisonous, often fatal for horses.    From Wordnik.com.  [Second Wind]

If the ragwort is a long way from grazing livestock (for example in the middle of woodland) then it does not need to be reported to the survey.    From Wordnik.com.  [Horsetalk.co.nz Headlines] Reference

Firewall™s vet says that ragwort poisoning is incurable.    From Wordnik.com.  [Ms Longshot]

'There was no identifiable ragwort in the filly's droppings.    From Wordnik.com.  [Second Wind]

"Now," thought he, "I need only gather some ragwort and go home.".    From Wordnik.com.  [Up! Horsie! An Original Fairy Tale] Reference

Jett said to Zinnia, 'So you found ragwort in the filly's droppings?'.    From Wordnik.com.  [Second Wind]

The Scottish Agricultural College have a pdf report on ragwort poisoning.    From Wordnik.com.  [Oxytropis sericea - The Panda's Thumb] Reference

He tore up some ragwort and held the crushed, pungent leaves against my nose.    From Wordnik.com.  [The Girl In A Swing]

When the wind howls through the willowherb and ragwort, it can become almost impossible.    From Wordnik.com.  [St. Andrews not liked by all] Reference

But no horsie answered to the appeal, and the ragwort remained the simple herb it was before.    From Wordnik.com.  [Up! Horsie! An Original Fairy Tale] Reference

The swallow skims the topmost pastures of Cwm Croesor, fixes on a slow fluttering among ragwort.    From Wordnik.com.  [Country diary] Reference

Don't confuse tansy with tansy ragwort, which has been fatal to cows that have eaten it growing nearby.    From Wordnik.com.  [Nineteen Minutes]

In 2006, the golden ragwort first bloomed on May 26, Dr. Primack observed; this year it flowered three days earlier.    From Wordnik.com.  [Another Thoreau Lesson] Reference

‘They are all extraordinarily sweet,’ said Siegmund to the full-mouthed scabious and the awkward, downcast ragwort.    From Wordnik.com.  [The Trespasser] Reference

It is important to go in as soon as possible as you do not want poisonous plants, such as ragwort, present in cutting or grazing leys. ".    From Wordnik.com.  [FWi - All News] Reference

Well, he told of a shepherd lad who years and years ago learnt of some wise ones, that if you pull a stem of ragwort, and sit astride it, and cry out: 'Up!.    From Wordnik.com.  [Up! Horsie! An Original Fairy Tale] Reference

Burns tells the story of a company of witches pulling ragwort by the roadside, getting each astride her ragwort with the summons "Up horsie!" and flying away.    From Wordnik.com.  [The Book of Hallowe'en] Reference

The road passes a fir-wood, bright with golden-rod and ragwort and soft blue scabious, and by-and-by turns eastward, and reaches the scattered village of Brendon.    From Wordnik.com.  [Devon, Its Moorlands, Streams and Coasts] Reference

Renoir picks a bunch of camomile, ragwort and wild parsley to evoke the hazy summer fields round Fontainebleau, stuffing them into a homely jug to make the rustic point.    From Wordnik.com.  [Impressionist Gardens; Another World: Dalí, Magritte, Miró and the Surrealists] Reference

They are neighbors, but not friends, and they live in the same sphere, held together only by the law of gravity which holds to one spot of earth the rose and the ragwort.    From Wordnik.com.  [The Bishop of Cottontown A Story of the Southern Cotton Mills] Reference

Bluebells and golden ragwort fringed the hedge-rows.    From Wordnik.com.  [Days Off And Other Digressions] Reference

Thus, it was hoped the cinnabar moth would help reduce the risk ragwort posed to stock.    From Wordnik.com.  [Museum Blogs] Reference

A taste for ragwort is the very reason this moth was introduced from the UK to New Zealand.    From Wordnik.com.  [Museum Blogs] Reference

Tansy ragwort contains at least six pyrrolizidine alkaloids which by themselves are not toxic.    From Wordnik.com.  [BC Bloggers] Reference

Bog-meadow, and through the thorny brake beyond it, and some from a large ragwort field further yet.    From Wordnik.com.  [Warwick Woodlands Things as they Were There Twenty Years Ago] Reference

Here, the BC Ministry of Agriculture and Lands 'tansy ragwort page explains that this plant is poisonous.    From Wordnik.com.  [BC Bloggers] Reference

Micron Sprayers is the weapon of choice in March and April when ragwort is still in the vegetative state.    From Wordnik.com.  [FWi - All News] Reference

'They are all extraordinarily sweet,' said Siegmund to the full-mouthed scabious and the awkward, downcast ragwort.    From Wordnik.com.  [The Trespasser] Reference

In a clearing before her spread a lake of willow-herb, of a pure bright pink, hemmed in by a golden shore of ragwort.    From Wordnik.com.  [The Marriage of William Ashe] Reference

For best results use the Weedstick when the ground is moist and while ragwort is still a rosette of ground hugging leaves.    From Wordnik.com.  [FWi - All News] Reference

Cattle and horses are most seriously affected followed by goats. tansy ragwort page has more information, including control tips.    From Wordnik.com.  [BC Bloggers] Reference

The foolish boy likewise pulled his ragwort, and cried with the rest, "Up, horsie!" and, strange to tell, away he flew with the company.    From Wordnik.com.  [The Letters of Robert Burns] Reference