Please scroll to the bottom for more images.
Chasmanthium laxum (L.) Yates
Spike chasmanthium, Slender woodoats

Family: Poaceae

Group: Monocot

Substrate: Terrestrial

Habit: Herb

Perennation: Perennial

Native Range: Eastern and central United States.

Map of Florida Locations

IRC SOUTH FLORIDA Status: Presumed Extirpated or Extinct in the Wild

SOUTH FLORIDA Occurrence: Presumed Extirpated

SOUTH FLORIDA Native Status: Native

SOUTH FLORIDA Cultivated Status: Not Cultivated

Comments: For images, click on the USDA PLANTS and Atlas of Florida Vascular Plants links below.

Other data on Chasmanthium laxum available from :


Chasmanthium laxum has been found in the following county :
Occurrence Native Status
Lee County Presumed Extirpated Presumed Extirpated