Peter Derek Sell

Pilosella caespitosa (synonym Hieracium caespitosum, commonly known as meadow hawkweed, yellow hawkweed, field hawkweed, king devil, yellow paintbrush, devil's paintbrush, yellow devil, yellow fox-and-cubs, and yellow king-devil) is like several other Pilosella species and has a similar appearance to many of the hawkweeds.

Pilosella lactucella (synonym Hieracium lactucella, also called European hawkweed) is a species of perennial plant from the family Asteraceae, found in Europe, New York (United States) and Nova Scotia (Canada). It is 9–20 centimetres (3.5–7.9 in) in height, with stems from 1–2 millimetres (0.039–0.079 in) wide. The leaves are spatula shaped and 5–8 centimetres (2.0–3.1 in) wide. The flowers bloom from May to July, the heads of which are 2–5 centimetres (0.79–1.97 in) tall. It was once described by Carl Linnaeus as Hieracium auricula and Pilosella auricula, but was recategorized by A. E.

Dactylorhiza incarnata subsp. cruenta, synonym Dactylorhiza cruenta, the flecked marsh orchid, is a Palearctic orchid, native from Britain east to Siberia and south to Turkey and Xinjiang.

Hieracium radyrense, the Radyr hawkweed, is a very rare endemic species restricted to Radyr in south Wales, UK. First identified in 1907 it was described as a variety in 1948 and a species in 1955. and belongs to Hieracium section Vulgata. It has rarely been seen and surveys between 1998 and 2004 indicate that only one population of about 25 plants survives. A polycarpic perennial, Radyr hawkweed flowers from late May to early June or July. Specimens found at Danybryn in Radyr grew on a grassy bank and lawn under the partial shade of trees and shrubs.

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Hieracium snowdoniense, the Snowdonia hawkweed, is a species of flowering plant within the family Asteraceae. The species is endemic to Snowdonia, North Wales. It was believed to have become extinct in the early 1950s as a result of overgrazing sheep on the habitat. In 2002, three plants of the species were re-discovered on steep slopes in the Cwm Idwal National Nature Reserve above Bethesda. In 2021 it appeared that the population had doubled to six plants, but they were in an extremely inaccessible place, making it impossible to confirm that all six were in fact Hieracium snowdoniense. In

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