Karwinskia calderoniae Standl. species accepted

Karwinskia venturii R.Fernández species accepted

Karwinskia mollis Standl. species doubtful

Ziziphus umbellata (Cav.) Poir. species synonym

Rhamnidium potrerilloanum Borhidi & Muniz species synonym

Rhamnidium orbiculatum Britton & P.Wilson species synonym

Rhamnidium oblongifolium Britton & P.Wilson species synonym

Rhamnidium caloneurum Standl. species synonym

Rhamnidium bicolor Britton & P.Wilson species synonym

Rhamnus humboldtiana Roem. & Schult. species synonym

Karwinskia venturae R.Fern. species accepted

Karwinskia umbellata (Cav.) Schltdl. species accepted

Karwinskia tehuacana R.Fern. & N.Waksman species accepted

Karwinskia subcordata Schltdl. species accepted

Karwinskia sessilifolia Schltdl. species synonym

Karwinskia rocana (Britton & P.Wilson) Urb. species accepted

Karwinskia pubescens Standl. species synonym

Karwinskia potrerilloana (Borhidi & Muniz) Borhidi species accepted

Karwinskia parvifolia var. pubescens (Standl.) Wiggins variety synonym

Karwinskia orbiculata (Britton & P.Wilson) Urb. species accepted

Karwinskia mollis Schltdl. species accepted

Karwinskia microphylla Suess. species synonym

Karwinskia latifolia Standl. species accepted

Karwinskia johnstonii R.Fern. species accepted

Reynosia orbiculata (Britton & P.Wilson) Urb. species synonym

Karwinskia glandulosa Zucc. species synonym

Karwinskia colombiana Dugand & M.C.Johnst. species accepted

Karwinskia caloneura Urb. species accepted

Karwinskia biniflora Schltdl. species synonym

Karwinskia bicolor (Britton & P.Wilson) Urb. species accepted

Karwinskia angustata Borhidi & O.Muñiz species accepted

Karwinskia affinis Schltdl. species synonym

Decorima umbellata (Cav.) Raf. species synonym

Rhamnus biniflora (Moc. & Sessé) species synonym

Rhamnus maculata Sessé & Moc. species synonym

Rhamnus umbellata Cav. species synonym

Rhamnidium rocanum Britton & P.Wilson species synonym

Karwinskia parvifolia Rose species accepted

Karwinskia oblongifolia (Britton & P.Wilson) Urb. species accepted

Karwinskia calderonii Standl. species accepted

Karwinskia humboldtiana (Roem. & Schult.) Zucc. species accepted

Karwinskia pluvialis A.Pool species accepted

Karwinskia rzedowskii R.Fern. species accepted

Karwinskia humboldtiana S.Watson species doubtful

Karwinskia californica Axelrod, 1939 species accepted