| Family | Poaceae (alt. Gramineae) | 
    
      | Scientific name | Bromus catharticus Vahl | 
    
      | Synonyms | Bromus angustatus Pilger; Bromus breviaristatus (Hooker) Thurber; Bromus
      brongniartii Kunth; Bromus haenkeanus (J. Presl) Kunth; Bromus mathewsii
      Steudel; Bromus preslii Kunth; Bromus schraderi Kunth; Bromus strictus
      Brongniart; Bromus unioloides Kunth; Bromus unioloides Kunth forma cleistogama
      Hackel; Bromus unioloides Kunth forma chasmogama Hackel; Bromus unioloides
      Kunth forma pseudoparviflorus Koos; Bromus unioloides Kunth subforma achalensis
      Hackel; Bromus unioloides Kunth var. humilis Spegazzini; Bromus unioloides
      Kunth var. glaucescens Nees von Esenbeck; Bromus unioloides Kunth var.
      haenkeanus (J. Presl) Shear; Bromus unioloides Kunth var. sanjuaninus Hieronymus;
      Bromus unioloides (Willdenow) Raspail; Bromus willdenowii Kunth; Ceratochloa
      breviaristata Hooker; Ceratochloa cathartica (Vahl) Herter; Ceratochloa
      haenkeana J. Presl; Ceratochloa pendula Schrader; Ceratochloa secunda J.
      Presl; Ceratochloa unioloides (Willdenow) Palisot de Beauvois; Ceratochloa
      willdenowii (Kunth) W. A. Weber; Festuca unioloides Willdenow; Forasaccus
      breviaristatus (Hooker) Lunell; Schedonorus unioloides (Kunth) Roemer &
      Schultes; Zerna unioloides (Kunth) Lindman | 
    
      | Common name | (Japanese common name) inu-mugi [false wheat] | 
    
      | (English common name) rescuegrass, rescue brome, prairie grass | 
    
      | Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu, Okinawa | 
    
      | (Other nations) [native] Venezuela, Brazil, Bolivia, Colombia, Ecuador,
      Peru, Argentina, Chile, Paraguay, Uruguay | 
    
      | Chromosomal number | 2n=28, 42, 56 | 
    
      | Description | Plants 40-100cm. Leaves 15-30cm length, 4-10mm width. Flowers spikelets
      20-30mm, flowering in April to May. Winter annual or perennial plants. | 
    
      | Reference | Bromus catharticus Vahl | 
    
      | Bromus catharticus Vahl | 
    
      | Note | Naturalized plants (first recorded in 1882) |