Idaho Mountain Wildflowers A Photographic Compendium 3rd Ed

Using the Idaho Mountain Wildflowers Guide in the Field

I bought the third edition because the second one fell apart at the spine after two summers of actual use. The binding on this one is better, but don't expect it to survive being thrown in a pack and dragged through brush. The photographs are clear and well-lit, which matters more than you'd think when you're standing on a trail at 8000 feet and the light is going. The layout organizes flowers by family, which is fine for identification once you know the family. The problem is that most people walking around Idaho don't know whether they're looking at a lily or an iris. The book includes a quick-reference section in the front that helps, but it covers maybe a third of the species you'll actually encounter at typical hiking elevation. The detailed plates in the back are where the real work happens.

Idaho Mountain Wildflowers A Photographic Compendium 3rd Ed

Here's something the guide doesn't make obvious: the color photography, while accurate in good light, can be misleading in shade or late afternoon. I spent about twenty minutes convinced I'd found a rare Columbine variant until I moved into direct sun and realized it was just an evening shadow making the petals look deeper blue than they actually are. The printed plates are reliable in noon light. In the golden hour, trust your eyes more than the book. Another thing nobody warns you about is the elevation ranges. The guide lists ranges for each species, but those ranges shift depending on snowmelt timing and rainfall. In dry years, some alpine species drop several hundred feet in elevation. I found Delphinium variegatum well below its expected zone in 2019 because the preceding winter had low snowpack. If you're using the guide for research or plant tracking, note the year conditions rather than treating the elevation data as fixed. The glossary at the back is useful but abbreviated. Terms like "ciliate" and "basal rosette" get a sentence or two. If you're new to botany, you'll want a separate reference like the USDA Plants Database or a basic botanical morphology text. The compendium assumes a certain level of comfort with plant anatomy. That's fair — it's a field guide, not a textbook. But it's worth knowing before you buy it expecting comprehensive terminology coverage.

There's no index by common name, only by scientific name. If you're the type who knows plants by what locals call them, you're out of luck. I keep a notebook with common names and the corresponding Latin names I look up in the book. It takes three extra minutes and saves frustration later. The paper quality is decent — coated enough to resist light moisture but not waterproof. A light drizzle won't destroy it, but don't test that assumption. I carry mine in a simple Ziploc bag inside my pack. Takes five seconds and has kept every page intact through four seasons of use. If you're only interested in wildflowers above treeline, this book covers that well. If you want lower-elevation meadow species or riparian plants, you'll find gaps. The third edition expanded the range compared to the second, but it still skews toward subalpine and alpine zones. For canyon and valley floor species, pair it with a broader Idaho field guide or use iNaturalist as a supplemental tool.

Overall, it's the most practical single-volume reference for high-elevation Idaho wildflowers that I've used. Not perfect. Not comprehensive. But solid for what it targets, and the photographs hold up in actual field conditions better than most guides in this category.