KNP Rare Plants Database


 
KY Office of Kentucky Nature Preserves




Threadfoot
Podostemum ceratophyllum
Family: Podostemaceae

Protection Status:
State Status:  S
USFWS Status: 

Global Rank: G5
State Rank: S3

   

Photo from KSNPC Files
Habitat:
Swiftly flowing water, associated with good water quality.

Species Description:
Perennial aquatic herb.

Phenology:


Additional Information at NatureServe

Diagnostic Characteristics:
Podostemum ceratophyllum is similar looking to red algae in that it appears as a threadlike mass attached to rocks beneath the water. It has more structure than algae however, and produces flowers in leaf axils and a ribbed capsule. Leaves are alternate and forked into linear flat segments. It has a reddish cast to the foliage.

Management:
Avoid changes in moisture/hydrologic conditions at the site. Changes could result from overstory removal, stream/wetland alteration or vegetation removal that would result in increased erosion.

Global Range:


Known Kentucky Occurrences:
Species occurrence map

Note: To print pages from this site change Page Setup to Landscape
Data Last Updated: November 2018
Office of Kentucky Nature Preserves
300 Sower Blvd
Frankfort,KY 40601
Phone: (502) 573-2886
Email:
naturepreserves@ky.gov
Copyright © 2003-2011 Commonwealth of Kentucky. All rights reserved.