# Asperula

Asperula, commonly known as woodruff, is a genus of flowering plants in the family Rubiaceae. It contains 91 species and has a wide distribution area from Europe, northern Africa, temperate and subtropical Asia to Australasia.

## Species

The following species are recognised in the genus Asperula:
* Asperula acuminata I.Thomps.
* Asperula albiflora Popov
* Asperula ambleia Airy Shaw
* Asperula anatolica M.Öztürk
* Asperula arvensis L. - Blue woodruff
* Asperula assamica Meisn.
* Asperula asterocephala Bornm.
* Asperula asthenes Airy Shaw & Turrill - Trailing woodruff
* Asperula azerbaidjanica Mam, Shach & Velib.
* Asperula badachschenica Pachom.
* Asperula balchanica Bobrov
* Asperula bargyli Gomb.
* Asperula botschantzevii Pachom.
* Asperula brachyantha Boiss.
* Asperula cankiriensis B.Şahin & Sağıroğlu
* Asperula charophyton Airy Shaw & Turrill - Strapleaf woodruff
* Asperula ciliatula Pachom.
* Asperula cilicia Hausskn. ex Ehrend.
* Asperula comosa Schönb.-Tem.
* Asperula conferta Hook.f. - Common woodruff
* Asperula congesta Tschern.
* Asperula cunninghamii Airy Shaw & Turrill - Twining woodruff
* Asperula cymulosa (Post) Post
* Asperula czukavinae Pachom. & Karim
* Asperula dasyantha Klokov
* Asperula euryphylla Airy Shaw & Turrill
* Asperula fedtschenkoi Ovcz. & Tschernov
* Asperula fidanii Eroğlu
* Asperula fragillima Boiss. & Hausskn.
* Asperula friabilis Schönb.-Tem.
* Asperula galioides M.Bieb.
* Asperula gemella Airy Shaw & Turrill - Twin-leaved bedstraw
* Asperula geminifolia F.Muell.
* Asperula glabrata Tschern.
* Asperula glomerata (M.Bieb.) Griseb.
* Asperula gobica Govaerts
* Asperula gobicola Grubov
* Asperula gracilis C.A.Mey.
* Asperula gunnii Hook.f. - Mountain woodruff
* Asperula hoskingii I.Thomps.
* Asperula insignis (Vatke) Ehrend.
* Asperula insolita Pachom.
* Asperula involucrata Wahlenb.
* Asperula karategini Pachom. & Karim
* Asperula kotschyana (Boiss. & Hohen.) Boiss.
* Asperula kovalevskiana Pachom.
* Asperula kryloviana Sergeev
* Asperula laevigata L.
* Asperula lasiantha Nakai - Korean woodruff
* Asperula libanotica Boiss.
* Asperula majoriflora Borbás ex Formánek
* Asperula minima Hook.f.
* Asperula molluginoides (M.Bieb.) Rchb.
* Asperula nuratensis Pachom.
* Asperula oblanceolata I.Thomps.
* Asperula oppositifolia Regel & Schmalh.
* Asperula orientalis Boiss. & Hohen. - Blue woodruff
* Asperula pauciflora Tschern.
* Asperula perpusilla Hook.f.
* Asperula podlechii Schönb.-Tem.
* Asperula polymera I.Thomps.
* Asperula popovii Schischk.
* Asperula × portae Peruzzi
* Asperula prostrata (Adams) K.Koch
* Asperula pugionifolia Tschern.
* Asperula pulchella (Podlech) Ehrend. & Schönb.-Tem.
* Asperula pusilla Hook.f. - Alpine woodruff
* Asperula rechingeri Ehrend. & Schönb.-Tem.
* Asperula rezaiyensis Schönb.-Tem.
* Asperula scabrella Tschern.
* Asperula scoparia Hook.f. - Prickly woodruff
* Asperula seticornis Boiss.
* Asperula setosa Jaub. & Spach
* Asperula sherardioides Jaub. & Spach
* Asperula sordide-rosea Popov
* Asperula strishovae Pachom. & Karim
* Asperula suavis Fisch., C.A.Mey. & Avé-Lall.
* Asperula subsimplex Hook.f.
* Asperula subulifolia Airy Shaw & Turrill
* Asperula syrticola (Miq.) Airy Shaw & Turrill
* Asperula szovitsii Ehrend. & Schönb.-Tem.
* Asperula taurina L. - Pink woodruff
* Asperula tenuissima K.Koch
* Asperula tetraphylla (Airy Shaw & Turrill) I.Thomps.
* Asperula tinctoria L. - Dyer's woodruff
* Asperula trichodes J.Gay ex DC.
* Asperula trifida Makino
* Asperula tschernevae Kamelin
* Asperula tymphaea T.Gregor, Meierott & Raus
* Asperula virgata Hub.-Mor. ex Ehrend. & Schönb.-Tem. – Rod-shaped woodruff
* Asperula wimmeriana Airy Shaw & Turrill
* Asperula xylorrhiza Nábelek