The art and science of pressed botanicals is a way to record a plant’s unique morphological characteristics. The results are both informative and beautiful. The following images are the work of Denise Kelly, a Northern California horticulturist and editor, from her Plants of California collection.

Alnus rhombifolia Nutt. White alder
Glen Ellen, Sonoma County Denise Kelly May 11, 2012

Danthonia californica Bol. California oat grass
Willits, Mendocino County Denise Kelly May 8, 2012

Quercus lobata Nee Valley oak
Glen Ellen, Sonoma County Denise Kelly May 11, 2012

Carex sp. Sedge
Eureka, Humboldt County Denise Kelly Many 26, 2012

Ranunculus repens L. Creeping buttercup
Non-native, introduced
Eureka, Humboldt County Denise Kelly May 26, 2012

Stipa pulchra Hitchcock Purple needle grass
Black Point, Marin County Denise Kelly May 2, 2012

Salix exigua Nutt. Sandbar willow
Glen Ellen, Sonoma County Denise Kelly May 11, 2012

Carex arthrostachya Olney Long-bracted sedge
Willits, Mendocino County Denise Kelly May 29, 2012

Trifolium variegatum Nutt. Variegated clover
Willits, Mendocino County Denise Kelly May 15, 2012

Physocarpus capitatus Kuntze Pacific ninebark
Willits, Mendocino County Denise Kelly May 29, 2012

Deschampsia danthonoides Munro Annual hair grass
Willits, Mendocino County Denise Kelly May 8, 2012
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