Carex (Sedge) Identification with Dr. Anton Reznicek 

In this video, Dr. Anton Reznicek (Curator of the University of Michigan Herbarium and Research Scientist in the Department of Ecology and Evolutionary Biology) provides an overview of key features for identifying Carex species in the field, using several common wetland species as examples. The video ends with a broad discussion of Carex ecology, habitat preferences, distribution, and related topics. An outline, with time stamps, is provided below.
0:00 Intro to Carex identification (basic features, etc.)
20:17 Identification of common Carex species
20:17 Carex utriculata
25:21 Carex canescens
30:12 Carex stricta
38:19 Carex lasioscarpa
43:25 Carex lurida
46:57 Carex stipata
51:48 Carex echinata
53:38 General discussion (Carex ecology, habitat preference, distribution, etc.)