Early AccessHelp us build the future of location-specific field guides. Limited-time pricing of $1.99 regularly $19.99 while we perfect the platform with your feedback.
← Back to Clackamas County

Trillium Lake

Ecosystem Overview

The Trillium Lake ecosystem supports 36 documented wildlife species across 36 taxonomic genera. Located in clackamas county, oregon, this area provides critical habitat with diverse natural communities. The location hosts 8 frequently observed species and 7 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. While Oregon City nearby has 64% more documented species, Trillium Lake offers unique wildlife observation opportunities. This location ranks #6 for species diversity among 18 clackamas county County natural areas, placing it in the 67th percentile for biodiversity.

Biodiversity Highlights

36
Total Species
Documented wildlife species
36
Genus Diversity
Taxonomic genera represented
19
Common Species
Frequently observed species
17
Rare Species
Occasionally documented species
#6
Regional Rank
Out of 18 locations

Species Distribution

Very Common8 species
Common11 species
Occasional10 species
Rare7 species

Regional Context

Regional Ranking
#6 of 18 locations
67th percentile for diversity
vs. Oregon City
-64% species diversity

Most Common Species

Showing 20 most frequently observed species out of 36 total documented species.

Heracleum maximum

Heracleum maximum

American Cow Parsnip

Very Common2 obs.
Cornus unalaschkensis

Cornus unalaschkensis

cordilleran bunchberry

Very Common2 obs.
Ladona julia

Ladona julia

Chalk-fronted Corporal

Very Common2 obs.
Anaphalis margaritacea

Anaphalis margaritacea

Marguerite

Very Common2 obs.
Xerophyllum tenax

Xerophyllum tenax

bear-grass

Very Common2 obs.
Libellula quadrimaculata

Libellula quadrimaculata

four spotted chaser

Common1 obs.
Taricha granulosa

Taricha granulosa

Rough-skinned Newt

Common1 obs.
Actitis macularius

Actitis macularius

spotted sandpiper

Common1 obs.
Corvus corax

Corvus corax

common raven

Common1 obs.
Aythya collaris

Aythya collaris

Ring-necked Duck

Common1 obs.
Thuja plicata

Thuja plicata

giant arborvitae

Common1 obs.
Abies amabilis

Abies amabilis

Lovley Fir

Occasional1 obs.
Tsuga heterophylla

Tsuga heterophylla

western hemlock

Occasional1 obs.
Trillium ovatum

Trillium ovatum

Western White Wakerobin

Occasional1 obs.
Clintonia uniflora

Clintonia uniflora

bride's-bonnet

Occasional1 obs.
Maianthemum stellatum

Maianthemum stellatum

Starry False Lily Of The Valley

Occasional1 obs.
Lysichiton americanus

Lysichiton americanus

American skunk cabbage

Occasional1 obs.
Asarum caudatum

Asarum caudatum

long-tailed wild ginger

Rare1 obs.
Vaccinium ovalifolium

Vaccinium ovalifolium

oval-leaf bilberry

Rare1 obs.
Sambucus racemosa

Sambucus racemosa

red-berried elder

Rare1 obs.

Want the Complete Field Guide?

Get all 36 species with 3-4 high-quality images each, detailed descriptions, and a downloadable PDF for offline use.

Premium field guide includes identification tips, seasonal patterns, and professional layout optimized for field use.

Get Your Personalized Field Guide

Download a professional PDF field guide featuring all the species found in Trillium Lake. Perfect for outdoor adventures, education, and nature exploration.

$1.99

Get Your Personalized Field Guide

Download a professional PDF field guide featuring all the species found in Trillium Lake. Perfect for outdoor adventures, education, and nature exploration.

Your field guide will be delivered to this email address. Please double-check for accuracy.

$1.99
No comparable locations found in this region.

Nearby Wildlife Areas in Clackamas County

Discover 8 other wildlife-rich locations near Trillium Lake. Each offers unique biodiversity and wildlife viewing opportunities.

Regional Wildlife Network

These nearby locations complement Trillium Lakewithin Clackamas County's wildlife network. Species counts reflect documented observations and help identify the most biodiverse areas for your nature explorations.

Favicon Attribution: Graphics from Twemoji by Twitter, Inc and contributors Licensed under CC-BY 4.0: https://creativecommons.org/licenses/by/4.0/ Source: https://github.com/twitter/twemoji