IRVC - University of California, Irvine Herbarium (IRVC)
IRVC102918
b5f0d78f-5655-423f-93d2-eefe63bf170f
Carduus pycnocephalus L.
Asteraceae
F. M. Roberts
3035
1986-06-27
27 Jun 1986
United States, California, Orange, Along railroad Easement; Mission Viejo: Creek channel along Cabot Rd. near Oso Pkwy., UTM 3715900mN, 437900mN
33.613466 -117.669435 +-50m.
11N 437900E 3719500N
From label UTM’s
93 meters
93 meters
In disturbed weedy vegetation along railroad easement with Asclepias fascicularis and Chamaesyce serpyllifolia in hard-packed clay soils; creek channel along Cabot Rd.