small matweed
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Caryophyllales
- family: Amaranthaceae
- genus: Guilleminea
- species: Guilleminea densa
Santa Cruz de la Sierra
Santa Cruz
BoliviaLobatse
South-East
BotswanaRiobamba
ChimborazoSan Miguel de Salcedo
Cotopaxi
EcuadorYunga
Moquegua
Peru