Mostacillastrum ameghinoi O. E. Schulz species accepted

Mostacillastrum andinum (Phil.) Al-Shehbaz species accepted

Mostacillastrum carolinense (Scappini, C. A. Bianco & Prina) Al-Shehbaz species accepted

Mostacillastrum commune (Speg.) Al-Shehbaz species accepted

Mostacillastrum dianthoides (Phil.) Al-Shehbaz species accepted

Mostacillastrum ferreyrae (Förther & Weigend) Al-Shehbaz species accepted

Mostacillastrum gracile (Wedd.) Al-Shehbaz species accepted

Mostacillastrum leptocarpum (Hook. & Arn.) Al-Shehbaz species accepted

Mostacillastrum morrisonii (Al-Shehbaz) Al-Shehbaz species accepted

Mostacillastrum oleraceum (O. E. Schulz) Al-Shehbaz species accepted

Mostacillastrum orbignyanum (E. Fourn.) Al-Shehbaz species accepted

Mostacillastrum stenophyllum (Gillies ex Hook. & Arn.) O. E. Schulz species accepted

Mostacillastrum subscandens (Speg.) Al-Shehbaz species accepted

Mostacillastrum weberbaueri (O. E. Schulz) Al-Shehbaz species accepted

Mostacillastrum pectinifolium (Al-Shehbaz) Al-Shehbaz species accepted

Mostacillastrum ventanense (Boelcke) Al-Shehbaz species accepted

Mostacillastrum arcuatum (Rollins) Al-Shehbaz species accepted

Mostacillastrum haitiense (O. E. Schulz) Al-Shehbaz species accepted

Mostacillastrum hunzikeri Al-Shehbaz species accepted

Mostacillastrum purpusii (Brandegee) Al-Shehbaz species accepted

Mostacillastrum vaseyi (J. M. Coult.) Al-Shehbaz species accepted

Mostacillastrum versicolor (Brandegee) Al-Shehbaz species accepted

Mostacillastrum ekmanii (O. E. Schulz) Al-Shehbaz species accepted

Mostacillastrum gracielae (M. Martínez & L. Hern.) Al-Shehbaz & M. Martínez species accepted

Mostacillastrum incisum (Rollins) Al-Shehbaz species accepted

Mostacillastrum longipes (Rollins) Al-Shehbaz species accepted

Mostacillastrum pandurifolium (Kuntze) Al-Shehbaz species accepted

Mostacillastrum retrofractum (Rollins) Al-Shehbaz species accepted

Mostacillastrum subauriculatum Al-Shehbaz species accepted

Mostacillastrum volckmannii (Phil.) D. A. German & Al-Shehbaz species accepted

Mostacillastrum saltaense Al-Shehbaz species accepted