A PDF field guide to the species reported in and around Elk Rock State Park, with common and scientific names and up to 3 photos of each, laid out for use in the field and offline.
Species people report often in and around Elk Rock State Park include Dickcissel, Orange Sulfur, Northern Flatid Planthopper, Yellow Woollybear and Wood Sage. Plants lead the list with 17 species, followed by 6 fungi and 4 insects.
The 20 species reported most often here, of 28 in the full guide.
Wood Sage
Dickcissel
Poke
Purslane
Sulphur Polypore

Oleaster
Tell me what you're looking for, and I'll do my best to answer.

Fanweed

Hen Of The Woods

Canada Milk-Vetch

Old Man Of The Woods

Velvet Foot

Half-Free Morel
Devil'S Urn
Orange Sulfur
Water Knotweed
Woodbine

Ribbon Grass
Boar Thistle
Tell me what you're looking for, and I'll do my best to answer.
Sand Briar