home

ferns

class Polypodiopsida

Member of vascular plants (phylum Tracheophyta)


giant chain fern
Woodwardia fimbriata
  • 2-pinnate
  • frond generally 1–3 m long.
  • pinnae generally 15–30 cm long.
western lady fern
Athyrium filix-femina ssp. cyclosorum
photo
polypody ferns
genus Polypodium
goldback fern
Pentagramma triangularis
  • 3–4-pinnate (blobby lobes at 4th level, if present)
  • underside is significantly gold/brown.
photo
horsetails
genus Equisetum
photo
brittle bladderfern
Cystopteris fragilis

14 observed taxons / 11 unobserved taxons / 8 keys

Chris’s observations: 117 (94 are research grade)

Locations:

Months:

For more details, use advanced search.


Taxon info: iNaturalist

Bay Area species: iNaturalist