{{Short description|Species of flowering plant}} {{Speciesbox |image=Cruciata glabra kz04.jpg |image_caption= |genus=Cruciata |species=glabra |authority=([[Carl Linnaeus|L.]]) [[Opiz]]<ref>Seznam: 34 (1852)</ref> |synonyms_ref=<ref name="60456820-2" /> |synonyms={{collapsible list| *''Galium bauhini'' <small>Roem. & Schult.</small> *''Valantia bauhini'' <small>(Roem. & Schult.) Schur</small> *''Valantia glabra'' <small>[[Carl Linnaeus|L.]]</small> }}}}
'''''Cruciata glabra''''', '''smooth crosswort''', is a species of [[flowering plant]] in the family [[Rubiaceae]], native to Morocco, Algeria, southern, central and eastern Europe, the Caucasus, Kazakhstan, the Altai, and western Siberia.<ref name="60456820-2" >{{cite web |url=http://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:60456820-2 |title=''Cruciata glabra'' (L.) Opiz |author=<!--Not stated--> |date=2017 |website=Plants of the World Online |publisher=Board of Trustees of the Royal Botanic Gardens, Kew |access-date=30 September 2020 }}</ref> It is often found in beech (''[[Fagus sylvatica]]'') forests.<ref>{{cite journal |last1=Peña |first1=Lorena |last2=Amezaga |first2=Ibone |last3=Onaindia |first3=Miren |title=At which spatial scale are plant species composition and diversity affected in beech forests? |url=https://link.springer.com/content/pdf/10.1007/s13595-011-0147-2.pdf |journal=Annals of Forest Science |year=2011 |volume=68 |issue=8 |pages=1351–1362 |doi=10.1007/s13595-011-0147-2 |s2cid=31895897 |access-date=30 September 2020 |doi-access=free }}</ref>
==Subspecies== The following subspecies are currently accepted:<ref name="60456820-2" />
*''Cruciata glabra'' subsp. ''balcanica'' <small>(Ehrend.) Soó</small> *''Cruciata glabra'' subsp. ''glabra'' *''Cruciata glabra'' subsp. ''hirticaulis'' <small>(Beck) Natali & Jeanm.</small> *''Cruciata glabra'' subsp. ''krylovii'' <small>(Iljin) E.G.Naumova</small>
==References== {{Reflist}}
{{Taxonbar|from=Q160023}}
[[Category:Rubieae|Cruciata glabra]] [[Category:Plants described in 1852]]
{{Rubioideae-stub}}