late summer

Blooming toward the end of July and into August

Showing 1–12 of 134 results

Achillea millefolium / yarrow
- common - white umbrella-type flower
- feathery leaves
- clonal; often found in patches
Agastache urticifolia / western horsemint
- short or tall flower heads ranging from pale to deep purple
- square stems, opposite leaves
- minty aroma
- common along trails, especially in sun
Agropyron cristatum / crested wheatgrass
- cool season grass growing in dense tufts
- easily recognized by planar spike
- spikelets overlap and are angled with respect to the stem
- common
Allium geyeri / Geyer’s onion
- smells like onions
- magenta (occasionally white) flowers on ca. 15 inch stem
- each flower urn-shaped with flared, pointy tips; yellow anthers
- leaves persistent during flowering
- rocky slopes in brush and pines, sometimes in dense stands
Amaranthus retroflexus / pigweed
- green bottle-brush inflorescence
- accomplished weed on disturbed sites (including road & driveway cracks)
- often in gardens, farm fields (edges), roadsides
Antennaria racemosa / Hooker’s pussytoes
- ground-level matte or short stems
- basal leaves
- small clumps/racemes of male or female flowers
- teeny white flowers with white involucres
- moist forest understories
Anticlea elegans / mountain death camas
- cream to greenish-white flowers; overall hexagonal appearance
- branched flowering stem with multiple flowers not tightly packed
- 6 tepals (petals + sepals), greenish-yellow nectar glands
- grass/lily-like leaves
- blooms in summer (July/August)
Aphyllon franciscanum / yellow-clustered broomrape
- tubular yellow, 5 petalled flowers
- short (6")
- no leaves at all, ever
- very hairy stems and flowers
- parasitic, especially on buckwheats
Arctium minus / lesser burdock
- purple to pink to lavender thistle-like flowers with hooked bracts
- nasty hooked seed heads
- very large, heart-shaped leaves
- found in a wide variety of disturbed areas
Arnica cordifolia / heartleaf arnica
- yellow, daisy-like flowers; 1-2 per shoot
- opposite, heart shaped leaves; long petioles; 2-4 pair per stem
- large clonal colonies with many flowering and non-flowering shoots
- the dominant ground cover in moderate shade in many forests
Artemisia absinthium / wormwood
- deeply lobed leaves; grey-green (hairy); aromatic (like sage)
- stems to 4' tall; up to 20 per plant
- small clusters of teeny yellow flowers in drooping heads
- disturbed areas and may be weedy
Artemisia cana / silver sagebrush
- Low perennial, silvery shrub
- Highly aromatic, like sagebrush
- Entire leaves - no lobes
- Nondescript, inconspicuous flowers in small clusters with leaf-like bracts
- Grows in more moist habitat than other Artemisia spp.