There are only 3 species of Fumaria listed in the Calflora plant search and the Jepson Herbarium:
Fumaria capreolata http://www.calflora.org/cgi-bin/species_query.cgi?where-calrecnum=8662
Fumaria officinalis http://www.calflora.org/cgi-bin/species_query.cgi?where-calrecnum=3647
Fumaria parviflora http://www.calflora.org/cgi-bin/species_query.cgi?where-calrecnum=3648
Ref:
Fumaria muralis is not listed in either database, although I see it growing in many parks and preserves in the South San Francisco Bay Area.
Here are my observations that have been identified as F. muralis:
https://www.inaturalist.org/observations/9718429
https://www.inaturalist.org/observations/9845696
https://www.inaturalist.org/observations/9916691
https://www.inaturalist.org/observations/9922916
https://www.inaturalist.org/observations/9922920
Here are 5 more observations that occurred last year (and are lacking required data for identification) but are probably F. muralis as well:
https://www.inaturalist.org/observations/6496453
https://www.inaturalist.org/observations/5223422
https://www.inaturalist.org/observations/5178224
https://www.inaturalist.org/observations/5104848
https://www.inaturalist.org/observations/4882970
Here is a link to blue_celery 's journal post on the subject:
https://www.inaturalist.org/journal/blue_celery/14150-fumitories-of-north-america
********** References - for more info on F. muralis **********
One page in EOL shows 9 species of Fumaria, another page shows 38 species:
The EuroPlusMed database lists 50 species of Fumaria:
*http://ww2.bgbm.org/EuroPlusMed/PTaxonDetail.asp?NameCache=Fumaria&PTRefFk=7500000
Vouchers sent to UC Davis herbarium and CDFA on 2018-03-02.
Flowers are in axillary and terminal racemes; pink with dark red tips; upper petal is spurred. Leaves are alternate, pinnate or 2-pinnate with ultimate segments deeply lobed. Fruit is ovoid to almost round; surface is smooth (when fresh).
Flowers per inflorescence: 9-14
Measurements:
Plant height: 17 cm
Corolla length: 12 mm
Sepal length: 3.5 mm
Fruit length: 2 mm
Habitat: Baylands Park near the salt ponds. There are several clumps of fumitories in this area.
Nearby flora: various grasses, geraniums, thistles, blue elderberry
Vegetation type: anthropogenic habitat
Sunlight: mostly sunny
Population size (estimate): >50
Elevation: 2.87 m (9.43 ft.)
2018-03-03: added photos of dried seeds
Note: It's cold and windy here near the San Francisco Bay and the soil is probably fairly saline because the site is marshland near salt ponds.
Identifier: Valerio Lazzeri (Key: The identification of F. muralis has used all the morphological characters of the key developed by Magnus Lidén: Lidén M., 1986. Synopsis of Fumarioideae with a monograph of the tribe Fumarieae. Opera Bot. 88.)
Fumaria muralis
Flowers are in axillary and terminal racemes; light pink with dark red tips; upper petal is spurred. Leaves are alternate, pinnate or 2-pinnate with ultimate segments deeply lobed. Fruit is ovoid to almost round; surface is smooth (when fresh).
Flowers per inflorescence: 9-14
Measurements:
Plant height: 17 cm
Corolla length: 9-11 mm
Sepal length: 3-4 mm
Fruit length: 2 mm
Habitat: Riparian - near Guadalupe River. Growing under Tasmanian blue-gum eucalyptus trees
Vegetation type: Anthropogenic habitat
Sunlight: mostly shady
Population size (estimate): >50
Elevation: 2.55 m (8.37 ft.)
2018-03-03: added photo of dried seeds
2018-05-04: Fumaria muralis is still blooming in this area
Note: These pictures are not ideal - it was windy and cloudy today. I might have to go back another day and get better pictures.
See observations in this same location from last year (Dec 2016 and Feb 2017):
https://www.inaturalist.org/observations/4882970
https://www.inaturalist.org/observations/5104848
Identifier: Valerio Lazzeri (Key: The identification of F. muralis has used all the morphological characters of the key developed by Magnus Lidén: Lidén M., 1986. Synopsis of Fumarioideae with a monograph of the tribe Fumarieae. Opera Bot. 88.)
Fumaria muralis
Site: ULI-04
Flowers are in axillary and terminal racemes; dark pink to red with dark red tips; upper petal is spurred. Leaves are alternate, pinnate or 2-pinnate with ultimate segments deeply lobed. Fruit is ovoid to almost round; surface is smooth (when fresh).
Flowers per inflorescence: 11-13
Measurements:
Plant height: 18 cm
Corolla length: 11-13 mm
Sepal length: 2.5 - 3.5 mm
Fruit length: 2 mm
Habitat: Riparian - near Guadalupe River. Growing in the cultivated native plants garden.
Vegetation type: anthropogenic habitat
Sunlight: mostly sunny
Population size (estimate): 2-3
Elevation: 4.25 m (13.95 ft.)
2018-03-03: added photos of dried seeds
2018-05-04: Fumaria muralis is still blooming in this area
Note: These pictures are not ideal - it was windy and cloudy today. I might have to go back another day and get better pictures.
Identifier: Valerio Lazzeri (Key: The identification of F. muralis has used all the morphological characters of the key developed by Magnus Lidén: Lidén M., 1986. Synopsis of Fumarioideae with a monograph of the tribe Fumarieae. Opera Bot. 88.)
Fumaria muralis
Flowers are in axillary and terminal racemes; pink with dark red tips; upper petal is spurred. Leaves are alternate, pinnate or 2-pinnate with ultimate segments deeply lobed. Fruit is ovoid to almost round; surface is smooth (when fresh).
Flowers per inflorescence: 9-13
Measurements:
Plant height: n/a
Corolla length: 11 mm
Sepal length: 3 - 3.5 mm
Fruit length: 2 mm
Habitat: Salt marsh (near San Francisco Bay)
Nearby flora: various grasses, geraniums, thistles
Vegetation type: anthropogenic habitat
Sunlight: mostly sunny
Population size (estimate): >50
Elevation: 3.82 m (12.52 ft.)
2018-03-03: added photo of dried seeds
See observation in same location from last year (2017):
https://www.inaturalist.org/observations/5223422
Identifier: Valerio Lazzeri (Key: The identification of F. muralis has used all the morphological characters of the key developed by Magnus Lidén: Lidén M., 1986. Synopsis of Fumarioideae with a monograph of the tribe Fumarieae. Opera Bot. 88.)
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