How to Use U.S. Wildflowers Photos and Indexes to Identify Wildflowers by State or Family

U.S. Wildflowers (uswildflowers.com) is a hobbyist-run reference site with 2,387 photographs covering 649 wildflower species, plus a journal and location-based photo albums. You can use it to narrow a wildflower down by state, browse candidates by plant family, and compare your find against detail-page photos and descriptions. The site's own author states he is not a professional botanist and that some identifications are likely incorrect, so treat it as a starting point and confirm with a second source.

Start With the State Reference List

If you already know where the flower was growing, this is the fastest way to cut the list down.

1. Go to the State Reference List section (the "Looking for Wildflowers for a specific state?" area).
2. Select your state from the dropdown — the site lists state-specific ID references for Alabama, Alaska, Arkansas, Arizona, California, and others.
3. Work only from the species shown for that state rather than the full 649-species list.

Expected result: a shorter candidate list limited to plants recorded in your state, which removes most lookalikes from other regions.

Common snag: the state list is a reference aid, not a guarantee of range. A plant absent from your state's list may still occur there, so don't reject a match purely because it isn't listed.

Browse by Family or by Thumbnails

Once your list is narrowed, you have two ways to scan it.

The thumbnail list is described on the site as "thumbnails without descriptions of 649 U.S. Wildflower species" — useful when you're matching by visual gestalt. The family index is faster if you can place the flower in a family first.

Confirm on the Detail Page

Each detail page is where identification actually happens. Check, in order:

• Photographs — compare flower shape, color, leaf arrangement, and overall habit against your own photo.
• Description text — confirm structural details that photos alone may not settle.
• Subspecies records — the site keeps separate records for some subspecies, and each subspecies counts as its own "species" in the site's count. If your plant matches a subspecies entry, note which one.
• Non-flowering entries — the site also includes some non-flowering plants of interest (Ground Cedar is the example given), so don't assume every entry is a bloom.

Expected result: a candidate name you can then verify elsewhere.

Use the Journal and Photo Albums for Context

The Wildflower Journal and Wildflower Photo Albums add information the detail pages don't:

• Bloom timing and location notes from the author's own photography trips.
• Albums organized by specific locations, which help you judge whether a species is plausible for your area and season.
• The Pocket at Pigeon Mountain section includes bloom status updates and printable identification photo lists for the spring season — a model for how location-specific bloom timing can sharpen an ID.

Verify Before You Commit

The site is explicit that its identifications should not be considered authoritative. Practical cross-checks:

• Confirm the species against a regional flora, a university extension guide, or a local native plant society.
• Check whether the species' documented range and bloom season actually fit your observation.
• If your plant keys out to a subspecies on this site, verify that subspecies is recognized in your region.

Quick Decision Guide

• Know the state, not the family → State Reference List, then thumbnail list.
• Know the family → Family Index, then detail pages.
• Only have a photo → thumbnail list, then detail pages, then journal/albums for season and location plausibility.
• Need a confident ID → use this site to generate candidates, then confirm with a professional or regional source.