[1] It is a native perennial plant of limestone cliffs, first discovered in Derbyshire, England, at Winnats Pass (SK1382) by J.N.

[2] According to The Flora of Derbyshire, it has been refound there on a number of occasions since, including in 1981 by UK hawkweed expert P.D.

[3]: 263 Like many apomictic species of Hieracium, it has an extremely localised distribution and requires specialist knowledge to recognise it.

Apart from the two limestone cliffs found within a single 1 km square in the Derbyshire Peak District, it has never been recorded anywhere else in Britain, or indeed the world.

[3]: 89 This endemic plant species was previously regarded as being Nationally Rare (NR) and Vulnerable (VR) in the national UK conservation list[4] but its status was upgraded to the IUCN-defined conservation category of Critically Endangered (CR) in England's Vascular Plant Red List, first published in 2014.