Steven P. Sylvester

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Agrostis curtisii, the bristle bent, is a species of grass in the family Poaceae native to Eurasia. It is densely tufted, with hair like leaves and stems that grow up to 60 cm. Its spikelets are yellow-green in colour, and its lemmas are awned. The ligule is pointed. It has no rhizomes or stolons. Bristle bent flowers in the UK from June until July and is found typically on dry heaths and moors.

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Alpagrostis is a genus of grasses. It includes four species native to Europe, ranging from Portugal and Great Britain to Ukraine, and to Morocco.

Agrostula is a genus of grasses. It includes a single species, Agrostula truncatula, which is native to the Pyrenees of France and Spain, Portugal, and Morocco. It includes two subspecies: Agrostula truncatula subsp. durieui (Boiss. & Reut. ex Willk.) P.M.Peterson, Romasch., Soreng & Sylvester – western Pyrenees and northern Portugal Agrostula truncatula subsp. truncatula – Pyrenees to east-central Portugal and Morocco The species was first described as Agrostis truncatula by Filippo Parlatore in 1850. In 2020 Paul M. Peterson et al. renamed it the sole species in the new genus Agrostula

Moranopteris inaccessa is a grammitid fern first collected in 2012 from the ledge of a cliff in Abra Málaga, at the junction of the Vilcabamba and Urubamba mountain ranges of Peru. Vegetation on those ledges may represent the flora of the Puna grasslands prior to human disturbance. Fronds of this species are pinnate-pinnatifid, with pinnate veins; this is unusual for Moranopteris, as members of the genus generally have less deeply cut fronds and grow on trees rather than rocks.

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Agrostula is a genus of grasses. It includes a single species, Agrostula truncatula, which is native to the Pyrenees of France and Spain, Portugal, and Morocco. It includes two subspecies: Agrostula truncatula subsp. durieui (Boiss. & Reut. ex Willk.) P.M.Peterson, Romasch., Soreng & Sylvester – western Pyrenees and northern Portugal Agrostula truncatula subsp. truncatula – Pyrenees to east-central Portugal and Morocco The species was first described as Agrostis truncatula by Filippo Parlatore in 1850. In 2020 Paul M. Peterson et al. renamed it the sole species in the new genus Agrostula

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