Gastridium

{{Short description|Genus of grasses}}

{{Automatic taxobox

| image = Gastridium phleoides.jpg

| image_caption = Gastridium phleoides

| display_parents = 4

| taxon = Gastridium

| authority = P.Beauv.

| type_species = Gastridium australe
(syn. of G. ventricosum)

| type_species_authority = (L.) P.Beauv.

}}

Gastridium is a genus of plants in the grass family. Species of the genus are found in Africa and Eurasia.[https://www.biodiversitylibrary.org/page/394100#page/105/mode/1up Palisot de Beauvois, Ambroise Marie François Joseph . 1812. Essai d'une Nouvelle Agrostographie 21, 164. ] in Latin[https://www.biodiversitylibrary.org/page/394100#page/291/mode/1up Palisot de Beauvois, Ambroise Marie François Joseph . 1812. Essai d'une Nouvelle Agrostographie plate VI (6), figure VI (6 a-e) at upper right] line drawings of Gastridium australe (syn of G. ventricosum); [https://www.biodiversitylibrary.org/page/394100#page/272/mode/1up figure captions on caption page 6] These grasses are sometimes called nit grass.[http://luirig.altervista.org/flora/taxa/floraspecie.php?genere=Gastridium Altervista Flora Italiana, genere Gastridium, nit grass]

; Species

The following species are recognised in the genus Gastridium:{{Cite web |title=Gastridium P.Beauv. {{!}} Plants of the World Online {{!}} Kew Science |url=http://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:18109-1 |access-date=2022-09-12 |website=Plants of the World Online |language=en}}

• Gastridium lainzii (Romero García) Romero Zarco - south-western Spain
• Gastridium phleoides (Nees & Meyen) C.E.Hubb. - Africa, southern Europe, Middle East, Arabian Peninsula
• Gastridium scabrum C.Presl - Mediterranean region
• Gastridium ventricosum (Gouan) Schinz & Thell - Mediterranean and nearby regions from Great Britain to Cape Verde to Caucasus

; Formerly included[http://apps.kew.org/wcsp/namedetail.do?name_id=451533 Kew World Checklist of Selected Plant Families]

see Triplachne

• Gastridium littorale - Triplachne nitens
• Gastridium nitens - Triplachne nitens
• Gastridium triaristatum - Triplachne nitens