Photos / Sounds

What

Oak Gall Wasps (Tribe Cynipini)

Observer

ocean_beach_goth

Date

April 27, 2024 12:09 PM PDT

Description

Blue Oak

Photos / Sounds

What

White Pasqueflower (Pulsatilla occidentalis)

Observer

francinehuang

Date

August 5, 2023 06:56 PM PDT

Photos / Sounds

What

Catsear Gall Wasp (Phanacis hypochoeridis)

Observer

robirwin

Date

April 26, 2024 07:05 PM PDT

Photos / Sounds

What

Torrey's Meadow Rue (Thalictrum fendleri var. polycarpum)

Observer

robirwin

Date

April 24, 2024 08:25 AM PDT

Photos / Sounds

What

Early Jewelflower (Streptanthus vernalis)

Observer

chloe_and_trevor

Date

April 2024

Description

Tiny one!

Photos / Sounds

What

Boggs Lake Hedgehyssop (Gratiola heterosepala)

Observer

jonaull

Date

April 2024

Photos / Sounds

Observer

norikonbu

Date

April 20, 2024 11:47 AM PDT

Description

On blue oak

Photos / Sounds

What

Ahart's Buckwheat (Eriogonum umbellatum var. ahartii)

Observer

jeffbisbee

Date

June 2021

Photos / Sounds

What

Tiny Mousetail (Myosurus minimus)

Observer

jordanii

Date

April 6, 2024 05:35 PM PDT

Photos / Sounds

What

Oregon Woollyheads (Psilocarphus oregonus)

Observer

jordanii

Date

April 6, 2024 05:33 PM PDT

Photos / Sounds

Observer

leytonjfreid

Date

October 1, 2023 01:02 PM PDT

Photos / Sounds

What

Oak Gall Wasps (Tribe Cynipini)

Observer

michaelvoeltz

Date

March 19, 2024 03:50 PM PDT

Description

On presumed Q. chrysolepis
Appears similar to Gallformers Code:
q-vacciniifolia-little-cup-gall

Abundant in location

Photos / Sounds

What

Knotweed Spineflower (Chorizanthe polygonoides var. polygonoides)

Observer

jordanii

Date

March 12, 2024 07:04 PM PDT

Photos / Sounds

What

Oak-leaf Pinwheel (Collybiopsis quercophila)

Observer

lizessig

Date

February 18, 2024 12:53 PM PST

Description

Mixed Oak and Bay

Photos / Sounds

Observer

sapienshane

Date

February 22, 2024 11:52 AM PST

Photos / Sounds

What

Rust Fungi (Order Pucciniales)

Observer

smeierotto

Date

February 25, 2024 01:08 PM PST

Description

Diseased saxifrage?
Observation is for the pathogen.

Photos / Sounds

What

Bolander's Bedstraw (Galium bolanderi)

Observer

sapienshane

Date

February 22, 2024 12:26 PM PST

Photos / Sounds

Observer

mreala

Date

May 1, 2023 03:45 PM PDT

Photos / Sounds

What

Knotweed Spineflower (Chorizanthe polygonoides var. polygonoides)

Observer

mreala

Date

May 1, 2023 03:36 PM PDT

Photos / Sounds

What

Ahart's Nailwort (Paronychia ahartii)

Observer

mreala

Date

May 2023

Photos / Sounds

What

Dudley's Monkeyflower (Erythranthe geniculata)

Observer

cloudya

Date

April 16, 2023 05:53 PM PDT

Photos / Sounds

What

Waterfall False Buttercup (Kumlienia hystricula)

Observer

zihanwei

Date

February 13, 2024 01:35 PM PST

Photos / Sounds

What

Western Lady's Mantle (Alchemilla occidentalis)

Observer

jordanii

Date

February 11, 2024 04:42 PM PST

Photos / Sounds

What

Tanoak Gall Wasp (Andricus notholithocarpi)

Observer

norikonbu

Date

February 3, 2024 12:50 PM PST

Description

On tanoak

Photos / Sounds

What

Pale-flowered Western Larkspur (Delphinium hesperium ssp. pallescens)

Observer

john_dittes

Date

April 27, 2023 07:41 PM PDT

Description

Small isolated colony; this is unfenced and has not been grazed by cattle for many decades

Photos / Sounds

Observer

sherri14

Date

January 27, 2024 10:57 AM PST

Description

On calif fuchsia

Photos / Sounds

What

Caribou Coffeeberry (Frangula purshiana ssp. ultramafica)

Observer

robirwin

Date

December 2023

Description

Leaves persistent, rather thick and leathery. Leaves +/- glabrous beneath? If not, my ID is wrong.

Photos / Sounds

Observer

john1kelly

Date

September 3, 2023 04:52 PM PDT

Photos / Sounds

Observer

morganstickrod

Date

October 27, 2023 04:53 PM PDT

Photos / Sounds

What

Oak Gall Wasps (Tribe Cynipini)

Observer

rgotrinity

Date

September 24, 2023 06:39 PM PDT

Description

This is the first year I have seen these on my oak trees.

Photos / Sounds

What

Drippy Acorn Disease (Lonsdalea quercina)

Observer

emmashelton

Date

October 10, 2023 10:44 AM PDT

Description

On Coast Live Oak.

Photos / Sounds

Observer

samzanita

Date

September 15, 2023 09:35 AM PDT

Description

Host Chrysolepis sempervirens

Photos / Sounds

What

Ball-tipped Gall Wasp (Xanthoteras teres)

Observer

leytonjfreid

Date

September 24, 2023 06:21 PM PDT

Photos / Sounds

What

Oak Gall Wasps (Tribe Cynipini)

Observer

leytonjfreid

Date

September 28, 2023 04:39 PM PDT

Photos / Sounds

What

Gray's Broomrape (Aphyllon californicum ssp. grayanum)

Observer

jonaull

Date

September 24, 2023 12:51 PM PDT

Description

not familiar with this, but due to herbarium specimens collected nearby, that's my guess

Photos / Sounds

Observer

u_phantasticus

Description

On rabbitbrush

Photos / Sounds

Date

June 9, 2007 03:48 PM PDT

Photos / Sounds

What

Chinquapin Flower Gall Wasp (Dryocosmus castanopsidis)

Observer

jonaull

Date

September 10, 2023 02:51 PM PDT

Photos / Sounds

What

Grape Erineum Mite (Colomerus vitis)

Observer

jzupan

Date

August 23, 2023 12:13 PM PDT

Description

On Vitis californica

Photos / Sounds

What

Hummingbird Trumpet (Epilobium canum ssp. latifolium)

Observer

jordanii

Date

August 20, 2023 06:25 PM PDT

Photos / Sounds

Observer

laszlozoltan

Date

July 15, 2023 10:54 AM PDT

Photos / Sounds

What

Pear Gall Wasp (Andricus maculosus)

Observer

megachile

Date

July 12, 2023 11:40 AM PDT

Photos / Sounds

What

Naked Mariposa Lily (Calochortus nudus)

Observer

liamhuber

Date

June 17, 2023 09:20 PM PDT

Photos / Sounds

What

Cramp Balls (Annulohypoxylon thouarsianum)

Observer

huntertoby587

Date

June 16, 2023 12:00 PM PDT

Photos / Sounds

What

Great Valley Coyote-Thistle (Eryngium castrense)

Observer

jonaull

Date

June 16, 2023 10:36 AM PDT

Photos / Sounds

Observer

thomastaylor1

Date

June 2023

Photos / Sounds

What

White Marsh Marigold (Caltha leptosepala)

Observer

thomastaylor1

Date

June 9, 2023 08:22 AM PDT

Photos / Sounds

What

Ahart's Buckwheat (Eriogonum umbellatum var. ahartii)

Observer

thomastaylor1

Date

June 2023

Photos / Sounds

What

Alpine Shooting Star (Primula tetrandra)

Observer

thomastaylor1

Date

June 9, 2023 09:37 AM PDT

Photos / Sounds

Observer

jonaull

Date

May 17, 2023 10:10 AM PDT

Photos / Sounds

What

White Bog Orchid (Platanthera dilatata)

Observer

thomastaylor1

Date

June 9, 2023 10:50 AM PDT

Photos / Sounds

What

Ribbed Bog Moss (Aulacomnium palustre)

Observer

thomastaylor1

Date

June 9, 2023 10:49 AM PDT

Photos / Sounds

What

Butte County Western Rosinweed (Calycadenia oppositifolia)

Observer

thomastaylor1

Date

June 2023

Photos / Sounds

What

Pine Needle Split (Lophodermium pinastri)

Observer

mikepotts

Date

May 2023

Description

On Pinus Jeffreyi.

Photos / Sounds

What

North Californian Indian Pink (Silene laciniata ssp. californica)

Observer

sapienshane

Date

June 7, 2023 11:26 AM PDT

Photos / Sounds

What

Western Ladies' Tresses (Spiranthes porrifolia)

Observer

thomastaylor1

Date

June 8, 2023 09:40 AM PDT

Photos / Sounds

Observer

jonaull

Date

June 5, 2023 10:35 AM PDT

Photos / Sounds

What

Fig Mosaic Emaravirus (Emaravirus fici)

Observer

okbirdman

Date

June 3, 2023 02:30 PM PDT

Photos / Sounds

What

Jolon Oak (Quercus × jolonensis)

Observer

leytonjfreid

Date

May 31, 2023 12:18 PM PDT

Photos / Sounds

What

Coast Live × Interior Live Oak (Quercus agrifolia × wislizeni)

Observer

alexbinck

Date

December 15, 2021 10:44 AM PST

Description

This species is not usually found in this area, but there is a line of them planted by the local parks department nearby. I suspect it is an offspring of those.

Photos / Sounds

What

Denseflower Rein Orchid (Platanthera elongata)

Observer

emackinnon

Date

May 30, 2023 10:23 AM PDT

Photos / Sounds

What

Flat Spurred Piperia (Platanthera transversa)

Observer

jonaull

Date

May 26, 2023 09:20 AM PDT

Photos / Sounds

What

Little Oak Apple Gall Wasp (Andricus coquilletti)

Observer

john1kelly

Date

May 21, 2023 10:27 AM PDT

Description

On live oak

Photos / Sounds

What

Snowberry Sawfly (Blennogeneris spissipes)

Observer

liamhuber

Date

May 28, 2023 07:40 AM PDT

Photos / Sounds

What

Sierra Coffeeberry (Frangula rubra)

Observer

john1kelly

Date

May 18, 2023 01:22 PM PDT

Photos / Sounds

What

Papery Onion (Allium membranaceum)

Observer

jonaull

Date

May 17, 2023 10:36 AM PDT

Photos / Sounds

What

Variableleaf Collomia (Collomia heterophylla)

Observer

jonaull

Date

May 15, 2023 03:45 PM PDT

Photos / Sounds

What

Kellogg's Umbrellawort (Tauschia kelloggii)

Observer

sapienshane

Date

May 10, 2023 02:58 PM PDT

Photos / Sounds

What

Kellogg's Umbrellawort (Tauschia kelloggii)

Observer

sapienshane

Date

May 10, 2023 02:11 PM PDT

Photos / Sounds

What

Hansen's Larkspur (Delphinium hansenii ssp. hansenii)

Observer

jonaull

Date

May 9, 2023 06:03 PM PDT

Photos / Sounds

What

Torrey's Willowherb (Epilobium torreyi)

Observer

robirwin

Date

April 29, 2023 03:35 PM PDT

Photos / Sounds

What

California Chicory (Rafinesquia californica)

Observer

mylan

Date

April 28, 2023 02:00 PM PDT

Photos / Sounds

What

Soap Plants (Genus Chlorogalum)

Observer

colinpryor

Date

May 8, 2023 08:01 PM PDT

Photos / Sounds

What

Fern-leaved Monkeyflower (Erythranthe filicifolia)

Observer

sapienshane

Date

May 3, 2023 01:16 PM PDT

Photos / Sounds

What

Yellow and White Monkeyflower (Erythranthe bicolor)

Observer

nancarder

Date

April 30, 2023 06:04 PM PDT

Photos / Sounds

What

Potato Gall Wasp (Disholandricus truckeensis)

Observer

rmoger

Date

April 28, 2023 12:47 PM PDT

Description

on Canyon Live Oak

Photos / Sounds

What

Pink Spineflower (Chorizanthe membranacea)

Observer

adamschneider

Date

April 19, 2023 11:04 AM PDT

Photos / Sounds

What

Texas Toadflax (Nuttallanthus texanus)

Observer

tbarron

Date

April 15, 2023 12:54 PM PDT

Photos / Sounds

What

Ash Petiole Gall Midge (Dasineura tumidosae)

Observer

simpylmare55

Date

April 15, 2023

Description

On Oregon Ash

Photos / Sounds

What

Yellow Clustered Broomrape (Aphyllon franciscanum)

Observer

jonaull

Date

April 7, 2022 01:11 PM PDT

Photos / Sounds

What

Galium Broomrape (Aphyllon epigalium)

Observer

jrmorris

Date

April 26, 2021 03:24 PM EDT

Photos / Sounds

What

Butte County Golden Clover (Trifolium jokerstii)

Observer

leptonia

Date

April 2023

Photos / Sounds

What

Mountain Pretty Face (Triteleia ixioides ssp. anilina)

Observer

norcal_botany

Date

April 8, 2023 09:48 AM PDT

Description

Found growing at table mountain in wet soil, plant is a perennial herb, habitat = grassy, open areas and in open woods from low to high elevations. Triteleia ixioides blooms in late spring and has yellow and purple flowers. It is a member of the Asparagaceae family.

Photos / Sounds

What

Isopod Iridescent Virus (Invertebrate iridescent virus 31)

Observer

lacey_laces

Date

April 7, 2023 12:56 PM PDT

Photos / Sounds

Observer

norikonbu

Date

April 1, 2023 11:06 AM PDT

Description

On California scrub oak

Photos / Sounds

What

Fivespot (Nemophila maculata)

Observer

robirwin

Date

April 6, 2023 01:45 PM PDT

Photos / Sounds

What

Butte County Golden Clover (Trifolium jokerstii)

Observer

shelbynicole

Date

April 2023

Description

coordinates are estimated - not exact

Photos / Sounds

What

Ahart's Nailwort (Paronychia ahartii)

Observer

jonaull

Date

April 2020

Photos / Sounds

Observer

norikonbu

Date

April 2, 2023 12:04 PM PDT

Description

On interior live oak

Photos / Sounds

Observer

kdff

Date

April 3, 2023

Description

On California buckeye, Aesculus californica.

Photos / Sounds

What

Chytrids (Phylum Chytridiomycota)

Observer

leptonia

Date

April 2, 2023 03:29 PM PDT

Description

maybe?? On Blennosperma

Photos / Sounds

What

Western Fairy-Slipper (Calypso bulbosa var. occidentalis)

Observer

taylorwisherd

Date

April 2, 2023 11:10 AM PDT

Photos / Sounds

What

North Californian Indian Pink (Silene laciniata ssp. californica)

Observer

tsimpson2

Date

April 20, 2020 01:39 PM PDT

Description

Caryophyllaceae

Silene laciniata subsp. californica (Durand) J.K. Morton
Butte Co: Ten Mile House Road, Hwy, 32, Tailor Simpson
Found in very shaded region full of large Pinus spp. Surrounded by many fern spp as well. Single individual without multiples of the same spp.

Photos / Sounds

What

Frying Pans (Eschscholzia lobbii)

Observer

renfrid

Date

April 9, 2020 08:57 AM PDT

Photos / Sounds

What

Blue Skullcap (Scutellaria tuberosa)

Observer

sapienshane

Date

March 27, 2023 01:45 PM PDT

Photos / Sounds

What

Prairie Woodland Star (Lithophragma parviflorum var. trifoliatum)

Observer

jonaull

Date

March 27, 2023 04:12 PM PDT

Photos / Sounds

Observer

samzanita

Date

March 25, 2023 05:36 PM PDT

Description

Host Frangula californica

Photos / Sounds

What

Mushroom Gall Wasp (Heteroecus sanctaeclarae)

Observer

samzanita

Date

March 26, 2023 01:48 PM PDT

Description

Host Quercus chrysolepis

Photos / Sounds

What

Bolander's Woodland Star (Lithophragma bolanderi)

Observer

jonaull

Date

March 18, 2023 02:11 PM PDT

Photos / Sounds

What

Douglas' Meadowfoam (Limnanthes douglasii ssp. rosea)

Observer

jonaull

Date

March 18, 2023 12:51 PM PDT