Species: < ~200
Geography: temperate and subtropical regions
Sectio Linum
- Linum alpinum Jacq. (Alpen-Lein), Europe in mountains: Pyrenees, Alps, Apennines, Rhodope Mountains and the Ural.
- Linum altaicum Ledeb. ex Juz., Central Asia, West Sibiria.
- Linum amurense Alef., East Asia, China, Japan.
- Linum austriacum L. (Österreichischer Lein), Mediterranean, North Africa Central Europa, Middle East, Caucasus, West Sibiria.
- Linum baicalense Juz., Sibiria, Mongolia.
- Linum bienne Mill., (Pale Flax, Zweijähriger Lein, Wildlein) Syn.: Linum angustifolium Huds.), Mediterranean, North Africa to Great Britania, Crim and Iran.
- Linum decumbens Desf., Mediterranean.
- Linum grandiflorum Desf. (Scarlet Flax, Roter Lein, Prachtlein), Mediterranean, Algeria.
- Linum leonii F.W. Schultz (Lothringer Lein), Central Europe to France.
- Linum lewisii Pursh (Lewis' Blue Flax)
- Linum meletonis Hand.-Mazz.
- Linum mesostylum Juz., Centralasia.
- Linum monogynum G. Forst., New Zeeland.
- Linum narbonense L., (Blue Flax, lino azul, lino de Narbona) Mediterranean, Northafrica.
- Linum perenne L. (Perennial Blue Flax, lin vivace, Ausdauernder Lein), Europe to Sibiria, North America.
- Linum sibiricum DC.
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Linum usitatissimum L. (Common Cultivated Flax, Gemeiner Lein, Flachs, Kulturlein).
Sectio Dasylinum
- Linum bungei Boiss.
- Linum hirsutum L. (Zotten-Lein), Mediterranean.
- Linum hypericifolium Salisb., kommt in Kleinasien vor.
- Linum viscosum L. (Klebriger Lein), kommt in Europa vor.
Sectio Linastrum
- Linum appressum A. Caballero ( Sometimes Linum suffruticosum subsp. appressum (A. Caballero) Rivas Martinez)
- Linum chamissonis Schiede
- Linum corymbulosum Rchb., Southern Europe.
- Linum karataviense Pavlov
- Linum keniense T.C.E. Fr.
- Linum macraei Benth., South America.
- Linum maritimum L. (Strand-Lein), Mediterranean.
- Linum paposanum Phil.
- Linum setaceum Brot., Spain, Marocco.
- Linum strictum L., Mediterranean.
- Linum suffruticosum L., Mediterranean.
- Linum suffruticosum subsp. salsoloides (Lam.) Rouy, Syn. Linum salsoloides Lam.
- Linum tenue Desf., Spain, Portugal, Algeria, Marocco.
- Linum tenuifolium L. (Schmalblättriger Lein), Europe to the Caucasus and Iran.
- Linum trigynum L., (yellow flax) Mediterranean.
- Linum volkensii Engl.
Sectio Cathartolinum
- Linum catharticum L. (Fairy Flax, Purgier-Lein)
- Linum rigidum Pursh
- Linum sulcatum Riddell
Sectio Syllinum
- Linum album Boiss., Middle East.
- Linum arboreum L., Greece, Minor Asia.
- Linum campanulatum L., Spain, France, Italy.
- Linum capitatum Schultes, Europe.
- Linum cariense Boiss., Minor Asia.
- Linum dolomiticum Borbás, Hungary.
- Linum elegans Boiss., Balkan Peninsula.
- Linum flavum L. (Golden Flax, Gelber Lein), Europe to Turkey and the Caucasus.
- Linum mucronatum Bertol., Middle East.
- Linum nodiflorum L., Mediterranean
- Linum pamphylicum Boiss. & Heldr. ex Planch.
- Linum persicum Planchon
- Linum tauricum Willd., Mediterranean.
- Linum thracicum Degen, Balkan Peninsula.
- Linum vuralianum Yilmaz & Kaynak
Sectio Cliococca (Somtimes genus Cliococca)
- Linum selaginoides Lam., = Cliococca selaginoides (Lam.) C.M. Rogers & Mildner
Sectio ???
- Linum cratericola Eliasson - (Galapagos Islands Flax), endemic to Galapagos Islands
- Linum marginale L. - (Australian Native Flax)
- Linum puberulum (Engelm.) A.Heller – (Plains Flax), USA, from California to Nebraska to Texas
- Linum pubescens (Hairy Pink Flax), Mediterranean
- Linum vernale Woot., USA, Nothern Mexico.
- Linum virginianum L.
- Linum westii Rogers
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