Linum medium

{{Short description|Species of flowering plant}}

{{Speciesbox

|image= Linum medium.jpg

|genus = Linum

|species = medium

|authority = (Planch.) Britton

}}

Linum medium, common name stiff yellow flax,{{PLANTS|id=LIME2|taxon=Linum medium|accessdate=22 June 2015}} is a species of Linum (flax) native to eastern North America. It is found as far west as Texas and Wisconsin, east to the Atlantic Ocean, north to Ontario and Maine, and south to southern Florida.[http://plants.usda.gov/java/profile?symbol=LIME2 Linum medium (Planch.) Britton], USDA PLANTS It is also found in The Bahamas.[http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=242416770 Flora of North America, Linum medium]

Its natural habitat is open areas such as prairies and savannas, often on acidic soil.{{cite book |last=Yatskievych |first=George |date=2013 |title=Flora of Missouri, Volume 3 |publisher=Missouri Botanical Garden Press |pages=402 }} It is a conservative species, usually restricted to high-quality natural communities.[http://www.illinoiswildflowers.info/prairie/plantx/st_ylflax.html IllinoisWildflowers]

Linum medium is a perennial that produces flowers in mid-summer. It is one of several yellow-flowered Linum species that are widespread in eastern North America; others include L. floridanum, L. striatum, L. sulcatum, and L. virginianum.{{citation | isbn = 0-395-91172-9 | pages = [https://archive.org/details/fieldguidetowild00roge/page/164 164] | author = Roger Tory Peterson | author2 = Margaret McKenny | author2-link = Margaret McKenny | name-list-style = amp | others = Illustrations by Roger Tory Peterson. | year = 1996 | publisher = Houghton Mifflin | location = Boston | title = A field guide to wildflowers : Northeastern and North-central North America | url-access = registration | url = https://archive.org/details/fieldguidetowild00roge/page/164 }}