Isocoma menziesii (Hook. & Arn.) G.L.Nesom

Goldenbush

Asteraceae

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Protologue: Phytologia 70: 93 (1991)
Pronunciation: I-so-cò-ma men-zies-i-i
Etymology: "equal hair," referring to pappus bristles + Archibald Menzies, 1754-1842

Jepson eFlora Treatment

Key to varieties (Jepson eFlora)

SD County Synoptic Voucher1 - var. decumbens
SD County Synoptic Voucher2 - var. menziesii
SD County Synoptic Voucher3 - var. menziesii
SD County Synoptic Voucher4 - var. sedoides
SD County Synoptic Voucher5 - var. vernonioides


Distribution:
 
Left: S.D. County Plant Atlas (http://sdplantatlas.org). Right: CCH2. Click to see current herbarium records.  


 
Isocoma menziesii var. vernonioides
Note: This species blooms in late summer and fall. Leaves are quite variable among the subspecies.

 
Isocoma menziesii var. vernonioides
Left: Heads. Note imbricate involucral bracts and disk flowers.
Right: Fruits, each with capillary pappus.