Machaeranthera arida B.L.Turner & D.B.Horne

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Chromosome count from this population
n =5
Determined byQ^yjQ X KEIL 197SV
PLANTS OF ARIZONA
Herbarium of Arizona State University
COMPOSITAE
Machaeranthera arida Turner & Horne
county Maricopa
ldcatidn Just S of jet of 1-10 and Maricopa
Road
n=5
HABITAT Atriplex desert. Rays white to pink,
disc yellow. Common on roadside.
ELEV.
COLLECTOR David Keil K11134	DATE 18-X-75
03045877