Field Trip Archive

South Slopes of Mt. Burdell – serpentine and grasslands

South Slopes of Mt. Burdell – serpentine and grasslands

Susan Schlosser

South Slopes of Mt. Burdell – early wildflowers of serpentine and grasslands
Saturday, February 25, 2023    10 am to 2 pm
Field trip leader – Susan Schlosser

Most years there are many early-blooming wildflowers such as little stick-seed (Blennosperma nanum var. nanum), star-lily (Toxicoscordion fremontii) and  fragrant fritillary (Fritillaria liliacea).

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South Slopes of Mt. Burdell – serpentine and grasslands

Susan Schlosser

South Slopes of Mt. Burdell – early wildflowers of serpentine and grasslands
Saturday, February 25, 2023    10 am to 2 pm
Field trip leader – Susan Schlosser

Most years there are many early-blooming wildflowers such as little stick-seed (Blennosperma nanum var. nanum), star-lily (Toxicoscordion fremontii) and  fragrant fritillary (Fritillaria liliacea).

San Bruno Mountain: Ericaceae on Kamchatka Point

Terrence Gosliner

San Bruno Mountain: Ericaceae on Kamchatka Point and Other Things

Date: Saturday, October 15,  10am to 1pm
Leader: Doug Allshouse

The Heather family is well represented on San Bruno Mountain with twelve taxa, and five are endemics.

Carson Ridge Serpentine Flora

Vernon Smith

Carson Ridge Serpentine Flora
Tuesday, June 21, 2022 – 9 am to 1 pm
Field Trip Leader: Sherry Adams

Serpentine is less than 2% of the land area of California but accounts for about 15% of the rare plants.

Wildflowers of Ring Mountain Preserve

Wildflowers of Ring Mountain Preserve
June 5, 2022 3:00 – 5:00 pm – Sunday
Leader: Kristin Jakob 

This annual outing showcases several of this Marin County Open Space Preserve’s rare plants, including the Tiburon mariposa lily (Calochortus tiburonensis).

Kent Pump Road

Kent Pump Road

Sunday May 8, 2022      10 am to 1 pm
Field trip leader: Marin botanist David Greenberger

Kent Pump Road offers a beautiful, gentle, and biodiverse hike through the Lagunitas Creek Watershed and the upper reaches of Kent Lake.

Old Stage Road to West Point Inn

Terrence Gosliner

Old Stage Road to West Point Inn
Saturday May 21, 2022      10 am to 3 pm
Field Trip Leader: Terry Gosliner

The Old Stage Road passes through mixed evergreen forest into a chaparral area that alternates between serpentine rock and greywacke sandstone with sharp contrast between the different rock and soil types.

Woodward Burn Scar

Woody Elliott

April 20, 2022 with Carolyn Longstreth, Susan Schlosser, John Longstreth and Woody Elliott

Wetlands and Wildflowers of Mt. Burdell

Susan Schlosser

Wednesday, March 16   10 am – 2 pm

Field trip leader: Susan Schlosser

On this 3.5-mile field trip we will meander up to Hidden Lake, a vernal pool on Mt. Burdell.

A Winter Walk in the Woods

Susan Schlosser
Field Trip Leader: Susan Schlosser
Date: Wednesday, Feb. 16, 2022
Time: 10 am to 3 pm
Meeting place: Rock Springs Parking Lot

This field trip begins by walking through an oak and madrone forest.

Chimney Rock

Carolyn Longstreth

Chimney Rock, Point Reyes National Seashore
Sunday, February 20, 2022 – 10 AM to 2 PM
Leader: Carolyn Longstreth

Mid-February is the official unofficial start of wildflower season in Marin.

Pioneer Tree Trail at Samuel P. Taylor State Park

Photo by Doreen Smith

Pioneer Tree Trail at Samuel P. Taylor State Park

Sunday Oct. 17 9:30 am

Leaders: Woody and Ann Elliott

Enjoy this cool, forest amble on the Pioneer Tree Trail following a redwood-lined tributary of Lagunitas Creek.

Field Trip – Palomarin Trail

April 20, 9:30 a.m. – 1 p.m.

Leaders:  Ann and Woody Elliott

This lovely trail follows along a bluff right above the ocean and continues into an open forest, eventually passing a couple of small lakes.

Focus on Chocolate Lily: Homestead Valley

Marabeth Grahame

Focus on Chocolate Lily: Homestead Valley

Thursday, March 12, 10 a.m.–12 p.m.

Join Marabeth Grahame for a foray around Homestead Valley for early spring wildflowers, especially the chocolate lily!

Cascading Creeks

Thursday, February 27, 10:00 a.m. – 2:00 p.m. (Rain date, March 3)

Leader: Kurt Rademacher

The Harry Allen, Tucker, and Bill Williams trails on the lower slopes of Mount Tamalpais go through a variety of habitats plus two cascading creeks.

Lower Steep Ravine and Rocky Point

Terry Gosliner

Sunday, March 8, 10:00 a.m. – 2:00 p.m.

Lower Steep Ravine trail and the Rocky Point Road down to the Steep Ravine cabins can be quite incredible in early March.

Leader: Terry Gosliner

Big Rock Ridge

Big Rock Ridge–Big Rock

Thursday, November 7, 10:00 a.m. – 2:00 p.m.

Big Rock Ridge is the second-highest point in Marin. It is a dramatically beautiful hike with sensational views along the way.

Summer Botany at Bull Point

John Longstreth

 Saturday  July 13, 10:00  a.m. – 2:00 p.m.

The moist coastal climate of Point Reyes makes this one of the few places in Marin to enjoy a diverse array of summer wildflowers.

Wildflower Mountain Bike Ride on Mt. Tam

Sunday, April 14, 9:00 a.m. – 2:00 p.m.

Presented by Marin County Bicycle Coalition, Marin CNPS, and NorCal High School Mountain Bike League.

This year, we’ll start our ride in Fairfax and explore the serpentine habitat along San Geronimo Ridge

North Table Mountain Ecological Reserve

Friday–Sunday,  April 19 – 21
Leader : Woody Elliott

Many of us have longed to visit Table Mountain in Butte
County but have never done so. This will be the year!

Carson Falls/Carson Ridge

Sunday, March 24, 2019     10:00 a.m. to 2:00 p.m.

Leaders: Susan Schlosser and Carolyn Longstreth

This outing will start at the Pine Mountain Fire Road and climb through the serpentine barrens along Carson Ridge to the junction with Oat Hill about one mile out.

Wildflowers at Chimney Rock

Wednesday, April 17, 2019,  10:00 a.m. – 2:00 p.m.

Leader: Shannon Burke

The coastal bluffs along the outer reaches of the Pt Reyes Peninsula host a fantastic display of spring wildflowers.

Mt. Tam: Boot Jack to Old Stage Road

Sunday, May 5   10:00 a.m. – 2:00 p.m.

Leader: Terry Gosliner

 Early May permits us to see the beginning of the transition from Spring to Summer flowering seasons.

Wildflowers of Ring Mountain

Thursday, April 4,   10:00 a.m. – 2:00 p.m.

Leader: Shannon Burke – Marin County Parks Naturalist

Truly one of the best wildflower displays in the Bay Area, the fantastic floral diversity of this site makes this walk a “spring classic”.

The Cedars in Early Spring

Sunday March 24, 9:00 a.m. – 4:30 p.m.

Cancelled due to poor road conditions as a result of heavy rains.

The backup date for the field trip, if March 24 is not suitable due to heavy rain, is March 31.

The Cedars Conservation Area includes 6,000 acres of private and public lands around the headwaters to Austin Creek.

Big Rock Ridge

Big Rock Ridge
Sunday, January 6, 9:00 a.m.– 2:00 p.m.

Big Rock Ridge is the second highest point in Marin. It’s a spectacularly beautiful hike with amazing panoramic views.

Jepson/Johnstone Loop, Tomales Bay State Park

Photo by Vernon Smith

Sunday February 10,  10:00 a.m. – 2:00 p.m.

Mushroom Group will meet at a different location on Point Reyes

CNPS will meet as planned at the Jepson/Johnstone trailhead for a plant walk

Point Reyes National Seashore has botanical treasures any time of the year.

Late Bloomers at the Modini Preserve, Sonoma County

Saturday, August 5, 8:00 – 12:00 noon

Join botanist and Audubon Canyon Ranch Naturalist, Dave Self, for a botanical tour of the Modini Mayacamas Preserve, which is situated 2,000 feet up into the mountains east of the Alexander Valley.

Summer Botany at Bull Point

Thursday, July 12, 10:00 a.m. – 2:00 p.m.

Leader: Shannon Burke, Marin County Parks

The moist, coastal climate of Point Reyes makes this one of the few places in Marin to enjoy a diverse array of wildflowers during the summer.

Abbotts Lagoon, Point Reyes National Seashore

Saturday May 26, 10:00 a.m. – 3:00 p.m.

Leader: Paul da Silva

The Abbotts Lagoon trail is gentle and flat; from the parking lot, it is two miles to the brackish lagoon. The trail will take participants through coastal scrub, dunes, lagoon shore, and, if time permits, to coastal bluffs.

The Cedars Conservation Area

Saturday, May 12, 9:30 a.m.– 4:30 p.m.

Leader: Roger Raiche, past director of the UC Botanical Garden

The extraordinary property in Sonoma County known as “The Cedars”, includes 11 square miles of private and public lands around the headwaters of Austin Creek. The Cedars’ steep and rocky terrain has unique geological features, forested slopes, and seeps and springs; some portions have been compared to a moonscape.

Spring and Serpentine Wildflowers of Mt. Tam

Sunday, April 29, 10 a.m.–2 p.m.

Leader:  Dabney Smith

Hike to Potrero Meadows, a classic Mt. Tam destination with a wet meadow that supports native grasses, allium, meadow rue, and other wildflowers.

Sonoma Post-Fire Field Trip to Pepperwood Preserve

Sonoma Post-Fire Field Trip to Pepperwood Preserve

Saturday, April 21, 10 a.m.–2 p.m.

Much of the Pepperwood Preserve was severely burned in the Tubbs fire; other areas were moderately burned. We’ll see areas in these habitats with characteristic regrowth of some species that will recover on their own over time.

Wildflowers of Chimney Rock

Wednesday, April 18, 2018  – 10 a.m. – 2:00 p.m.

Leader: Shannon Burke, Marin County Parks naturalist

Come celebrate California Native Plant Week at one of the best spring hot spots in Marin.

Wildflowers of Mt. Burdell

Sunday, April 15, 2018 – 10:00 a.m. to 2:00 p.m.

Leader: Shannon Burke, Marin County Parks Naturalist

Celebrate Native Plant Week at one of the best wildflower locations in the county.

Mt. Tam in Winter: Rock Spring to Old Stove

Saturday, January 6, 2018, 10 a.m.–2 p.m.

Field Trip Leader – Dabney Smith

Dabney Smith will lead us down the Cataract Trail to High Marsh and then to Old Stove, returning via one of several possible trails.

Drake’s Estero Trail to Drake’s Head

Saturday February 10,  9:30 a.m.-3:30 p.m.

Trip Leaders –

Susan Schlosser and Carolyn Longstreth

A classic Point Reyes foray through chaparral, pine forest, grassland and coastal bluff.

Scenic Mt. Tam Meander

November 5, 10 a.m. to 2 p.m.

Field Trip Leader – Dabney Smith

This field trip will follow a moderate 4-mile route from the Rock Springs parking lot to Barth’s Retreat (via the Mickey O’Brian Trail) and Potrero Meadows.

Homestead Valley Land Trust

 Sunday, September 17, 10 a.m.–2 p.m.

Field Trip Leader – Marabeth Grahame

Below Panoramic and Four Corners in Mill Valley is the Homestead Valley Land Trust: 80+ acres of ridges; canyons filled with ferns, California bay laurel, and spikenard; grassy meadows; and rock outcrops and oak woodlands.

Olompali Field Trip

 Saturday, October 7, 10 a.m

Field Trip Leader – Paul da Silva

What can be found growing on volcanic soils late in
the year? Come and find out on an excursion to Olompali State Park.

Late Summer Coastal Wildflowers

Late Summer Coastal Wildflowers                       along Kehoe Beach Trail                                   Point Reyes National Seashore

Sunday,  August 6th         10AM to 1PM
Leader: Doreen Smith

A cool moist coastal climate enables some of our wild flowers to bloom into fall.

Summer Botany at Bull Point

Thursday, July 1 10AM to 2PM
Leaders: Shannon Burke and Dave Herlocker

The moist, coastal climate of Point Reyes makes this one of the few places in Marin to enjoy a diverse array of wildflowers during the summer

Pomo Canyon and Red Hill Trails

Photo by Vernon Smith

Pomo Canyon and Red Hill Trails,                                    Sonoma Coast State Park

Sunday, July 30     10AM to 3PM
Leader: Liz Parsons, Milo Baker Chapter

Marin CNPS is heading north to explore a new (for us) coastal route called Pomo Trail!

Ring Mountain, Tiburon

Photo by Vernon Smith

Saturday, June 3,     2017 2-5 PM

Field Trip Leader – Kristin Jakob

This annual outing showcases several of this Marin County Open Space Preserve’s
rare plants, including Tiburon mariposa lily (Calochortus tiburonensis), found only at
this location, and Marin dwarf flax (Hesperolinon congestum). 

 

Cascade Canyon

Photo by Vernon Smith

 

Saturday, June 24     10 AM to 2 PM
Field Trip Leader – Linda Novy

This classic Marin County outing will start on the Cascade Fire Road, passing a stand of sergeant cypress (Hesperocyparis [formerly Cupressus] sargentii) and pipe vines, (Aristolochia californica), continue through some undisturbed broadleaf
and coniferous forest and then enter into a section of chaparral and grasslands, featuring stands of Festuca californica.

Mt. Hamilton Field Trip

Saturday, April 15, 2017

Meet at 8:00 a.m.  Trip will take all day

At 4,265 feet, Mt. Hamilton is the highest peak in the Bay Area and part of the Diablo Range that extends south to Orchard Peak in Kern County.

Carson Ridge and Falls

Doreen Smith

Saturday, February 25, 10 a.m.–2:30 p.m.

Start at Pine Mountain Fire Road and climb through an area with exposed serpentine along Carson Ridge.

Rock Spring Meander

Krista Fechner

Rock Spring Meander

Sunday, February 5, 10 a.m.–2 p.m.

This field trip will follow a moderate 4-mile route from the Rock Spring parking lot to Barth’s Retreat

Lichens of Olompali

Lichens of Olompali

Saturday, November 5, 11 a.m.–2 p.m.

Join Shelly Benson, president of the California Lichen
Society, for a lichen walk at Olompali State Historic Park.

Rock Spring Meander

Rock Spring Meander                                          Late Autumn on Mt. Tamalpais

Saturday, December 10, 10 a.m.–2:30 p.m.

We’ll observe the diverse ecology of Mt. Tam, including meadows, mixed evergreen forest, serpentine outcrops, and chaparral.

Lagunitas and Bon Tempe Lakes Shorelines

Terrence M. Gosliner

Saturday October 8, 2016   9:00am – 12:00pm

Field Trip Leader: Terry Gosliner

As summer comes to end, the local reservoirs continue to dry out along their shorelines and many late-blooming species appear. Take a walk along the meadows and shores of Lakes Lagunitas and Bon Tempe.

California Academy of Sciences Green Roof

Join Landscape Exhibits Team members Will Silver and Kendra Hauser for a tour of the iconic living roof at the California Academy of Sciences, composed of over 100 local California native species.

Thursday, June 16, 10 – 11:30a.m.  2016

Gary Giacomini Open Space Preserve

Photo by Vernon Smith

Gary Giacomini Open Space Preserve is 1,500 acres of rugged ridges, redwood canyons, serpentine meadows, and dwarf Sargent cypress woodlands.
Saturday, July 9, 10 a.m.–2 p.m.

The Rare Plants of Bull Point

Vernon Smith

As June turns into July at Bull Point on Point Reyes, what looks to most like just another cow pasture turns into Rare Plant Central!

Sunday, June 26, 10 a.m.–2 p.m.

Nicasio Ridge (West Marin)

Vernon Smith

The serpentine ridge of the Nicasio Highlands supports a diverse native plant community.

Saturday, June 18, 9:30 a.m.–12:30 p.m.

Missimer Preserve, Napa County

A good year for wildflowers in Missimer Preserve, northern Napa County, northwest of Lake Berryessa.

Saturday, May 7 11:00 a.m. – 3:00 p.m.

Wildflowers of Ring Mountain

Wildflowers of Ring Mountain

Saturday June 4, 2016  2:00 – 6:00 p.m.

This annual outing showcases several of this Marin County Open Space’s rare, in some cases endemic, plants.

Spring Wildflowers at Chimney Rock

Spring Wildflowers at Chimney Rock          Sunday, April 10,  10 a.m. – 3 p.m.

Come catch the wildflowers at their peak at Chimney Rock, famous for its spring displays.