common oak sedge, Pennsylvania sedge
| The Carex of Wisconsin: A Pictorial Guide |
| Carex pensylvanica Lam. common oak sedge, Pennsylvania sedge | |
achene | dorsal sheath | inflorescence scan |
inflorescence scan | ligule | plantbase |
perigynium | perigynium | pistillate scale |
spikelet | ventral sheath | whole plant scan |