A catalog of arthropods found from the coast to the interior mountains of northwestern North America.

Banana slugs are well known for their vivid yellow hue and certain species have black spots that look like ...

Observations and collections of bryophytes within BLM Redding F.O. parcels.

Lichens in the BLM Redding parcels and adjacent areas.

Serving Del Norte, Humboldt, Lassen, Mendocino, Modoc, Shasta, Siskiyou, Tehama and Trinity counties htt...

Fungi of Humboldt County, CA and beyond

Far Northwestern California is a region incredibly rich in fungal diversity. For over 40 years, as part of ...

This project is for Humboldt Bay Mycological Society members. It was created to provide our members help wi...

This project is for Humboldt Bay Mycological Society members. It was created to provide our members help wi...

This project is for Humboldt Bay Mycological Society members. It was created to provide our members help wi...

This project is for Humboldt Bay Mycological Society members. It was created to provide our members help wi...

This project is for Humboldt Bay Mycological Society members. It was created to provide our members help wi...

Far Northwestern California is a region incredibly rich in fungal diversity. For over 40 years, as part of ...

The goal of this project is to record the spread of Latrodectus geometricus throughout Northern California....

Lynx id’d in Del Norte, Siskiyou, Humboldt, Trinity, and Mendocino, counties, California. Lynx found in ...

NCCR Plant Identification

North Central EDRR: Regional target species that are CDFA rated and present in less than 10% of the region....

This project is intended to aid in the early detection and mapping of barbed goatgrass across Humboldt Coun...

RIVER OTTER NETWORK (est. 1999): We are describing the distribution and demography of river otters on the c...

We are calling on YOU to help us locate and track the noxious weed, Stinkwort (Dittrichia graveolens), in N...

Papilio of Northern California

Create a guide to assist in identifying riparian plant species in the North Lake region

RSA students collecting data points at Lema Ranch and other Northern California locations.

for personal use

A BioBlitz is a communal species observation event in a set period of time and specific location. Our goal ...

Observations of Trametes versicolor in Humboldt and Trinity Counties, CA between 10/31/25 and 11/15/25 for ...

A collection of trees found in the California North Valley region (Colusa, Yuba, Sutter, Butte, Glenn, Teha...

Project documenting the mycoflora of Trinity County, California. Project icon credit goes to @mycodude

Collection of the millipedes species found in Trinity County, CA. Historically under-surveyed, hopefully th...

Discover and track the flora and fauna around our Coffee Creek Property in Trinity County, California.

For observations collected by TCRCD staff and partners. Trinity County Milkweeds & Monarch Guide: http...

Marine life of the West Coast. Also includes other animals that may not be associate with marine life. Does...

TO ENTER THE COLLECTION Click on that link in the lower left corner, "More Observations" DON'T GET LOST ...