california maidenhair fern

Adiantum jordanii

Member of maidenhair ferns (genus Adiantum)
brake family (family Pteridaceae)
leptosporangiate ferns (subclass Polypodiidae)
ferns (class Polypodiopsida)

frond is 2–3-pinnate [terminal leaflets are palmate]
terminal leaflets are cut/lobed often < ¼ way to base, margins converging at 90–180° angle

Chris’s observations: 20 (all are research grade)

Locations:

Almaden Quicksilver CP: 3
Edgewood Park & Natural Preserve: 3
Stevens Creek CP: 3
Calero CP: 2
Foothills Nature Preserve, Palo Alto: 2
Picchetti Ranch OSP: 2
Alum Rock Park, San Jose
Henry Coe SP
Nisene Marks SP
Rancho Cañada del Oro OSP
Waterdog Lake & Open Space

Months:

Dec.: 2
Jan.: 0
Feb.: 4
Mar.: 3
Apr.: 5
May: 3
Jun.: 1
Jul.: 2

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Taxon info: iNaturalist – Calflora – CalPhotos – Jepson eFlora – FNA

Bay Area species: iNaturalist – Calflora