Carex praeceptorum -... en.wikipedia.org

OregonFlora Carex... oregonflora.org

Early Sedge, Teacher's... science.halleyhosting.com

Teacher's Sedge (Carex... idfg.idaho.gov

Carex praeceptorum |... wildflowersearch.org

Carex praeceptorum Calflora... www.calflora.org

Carex praeceptorum | Carex... www.flickr.com

Teacher Sedge, Carex... calscape.org

Teacher Sedge, Carex... calscape.org

Carex praeceptorum Calflora... www.calflora.org

Early Sedge, Teacher's... science.halleyhosting.com

File:Carex praeceptorum -... commons.wikimedia.org

teacher sedge (Carex... www.inaturalist.org

Carex praeceptorum | At... www.flickr.com

Carex praeceptorum Calflora... www.calflora.org

Teacher Sedge, Carex... calscape.org

USDA Plants Database plants.usda.gov

NEON Biorepository Data... biorepo.neonscience.org

CCH2 Portal - Carex... www.cch2.org

Carex praeceptorum | Carex... www.flickr.com