polypody ferns

genus Polypodium

Member of polypody family (family Polypodiaceae)
eupolypods i (suborder Polypodiineae)
leptosporangiate ferns (subclass Polypodiidae)
ferns (class Polypodiopsida)

Caution: There may be other wild species of this genus not yet included in this guide.

california polypody
Polypodium californicum

california polypody
Polypodium californicum

Caution: ID unsure.

leaf blade deltate to ovate, often ± irregular in outline
proximal 1–3 pinnae often at least as long as others
sori generally ± sunken

nested polypody
Polypodium calirhiza

nested polypody
Polypodium calirhiza

Caution: ID unsure.

leaf blade oblong-ovate, ± regular in outline
proximal 1–3 pinnae generally shorter than others
sori not sunken

2 observed taxons / 1 key

Chris’s observations: 5 (none are research grade)

Locations:

Alum Rock Park, San Jose
Coyote Lake / Harvey Bear Ranch CP
Foothills Nature Preserve, Palo Alto
Sanborn CP
Santa Teresa CP

Months:

Nov.: 1
Dec.: 1
Jan.: 1
Feb.: 1
Mar.: 1

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Taxon info: iNaturalist – Calflora – Jepson eFlora – FNA

Bay Area species: iNaturalist – Calflora