Cyperus involucratus Rottb.

Plants of Arizona
Cyperaceae
Cyperus involucratus Rottb.
USA. Arizona. Maricopa County.
Salt River at 3 5th Avenue bridge in
Phoenix, just downstream from storm
water/effluent drain with periodic large
pulses of discharge; riparian, water's
edge, plant community of sedges, cattail,
and other wetland species; common perennial
growing in large bunches; hard, knotty
rhizome was not able to collect at the time.
33.411913°, -112.133472°
Elevation: 1022 ft 310 m
Associated species: Typha, Pluchea odorata,
Cyperus eragrostis, C. involucratus,
Tamarix, young Salix gooddingii, Populus
fremontii, Polygonum, Eclipta prostrata,
Nicotiana glauca, N. obtusifolia
Liz Makings 3870	21 January 2012
with: Dustin Wolkis, Julie Stromberg,
Heather Bateman, et al.
ASU Herbarium
02814908