The World Botanical Associates Web Page
Prepared by Richard W. Spjut
May 2004, updated July 2005, June 2014

Spiraea beauverdiana
Kenai Peninsula, AK
Spjut & Marin 15411, Jul 2003

Spiraea betulifolia
Idaho: West-central, Smith's Ferry, 4415.309, 11604.308, 4,600 ft, Douglas fir, ponderosa pine woodland with Veratrum californicum, Symphoricarpos, and various herbs and invasive species. 31 July 2009.

Spiraea douglasii
Mountain lake margin, CA
Jul 1979



Spiraea densiflora
Meadow near Deep Lake,
Marble Mountains Wilderness., CA
July 2005

Spiraea densiflora
Idaho: North-central, Clearwater Natl. For., John Gulch, 4631.869, 11539.004, elev. 3,900 ft, mosaic of meadows and forests along streams with frequent patches of Veratrum californicum,  forest of Englemann spruce, grand fir, western red cedar, subalpine fir. 27 July 2011