Field Trip #1

Hello readers! On February 16th, 2023 our Botany Class took a field trip to Laurel Dell in Mt. Tamalpais State Park, and I am excited to share my experience with you. We hiked along the Cataract Creek Trail and observed a variety of plant species in their natural habitat. I will show some species that stood out to me on this hike.

Taxon Name: Scoliopus

Taxon Common Name: Fetid adderstongue

Parent Taxon: Liliaceae

Description:

Ecology: Moist, shady redwood forest. Stem: short. Leaf: 2-3 basal, mottled, oblong-shaped, parallel venation. Inflorescence: umbel. Flower: monocot, heavily lined purple or dark brown, ill-scented (defense against predators)

Taxon Name: Polystichum minitum

Taxon Common Name: Sword Fern

Parent Taxon: Dryopteridaceae

Description: 

Ecology: found near/under redwood trees. Leaf: generally 50-120, pinnate, elliptic, alternative segments w/ alternative serrations on each segment. Sporangia: located on the bottom of each segment, linear (lines of 2 sori on each segment), brown

Taxon Name: Woodwardia fimbriata

Taxon Common Name: Chain Fern

Parent Taxon: Blechnaceae

Description: 

Ecology: located near streams & streams. Leaf: evergreen, wide at base, each segment is lobed. Sporangia: have elongated sori located underneath each lobed segment.

 

 

 

 

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