birch family

family Betulaceae

Member of dicots (class Magnoliopsida)
flowering plants (subphylum Angiospermae)

Toxicity of all lower-level taxons:
1 – Skin contact with these plants can cause symptoms ranging from redness, itching, and rash to painful blisters like skin burns.

3 observed taxons / 1 unobserved taxon / 2 keys

Chris’s observations: 42 (38 are research grade)

Locations:

Murray Ranch SP: 7
San Pedro Valley CP: 5
Dr. Aurelia Reinhardt Redwood RP: 4
Henry Cowell Redwoods SP - Fall Creek Unit: 2
Huckleberry Botanic RP: 2
Purisima Creek Redwoods OSP: 2
Russian Ridge OSP: 2
Skyline Ridge OSP: 2
Windy Hill OSP: 2
Bear Creek Redwoods OSP
Butano SP
Castle Rock SP
El Corte de Madera OSP
Henry Cowell Redwoods SP
Joaquin Miller Park, Oakland
Lake Chabot RP
Sam McDonald CP
Sanborn CP
Sierra Azul; OSP
Stevens Creek CP
Thornewood OSP
Wilder Ranch SP
Wunderlich CP

Months:

Feb.: 2
Mar.: 2
Apr.: 0
May: 4
Jun.: 8
Jul.: 10
Aug.: 8
Sep.: 4
Oct.: 1
Nov.: 2
Dec.: 1

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Taxon info: iNaturalist – Calflora – Jepson eFlora – FNA

Bay Area species: iNaturalist – Calflora