Ranunculus californicus (USA)

Ranunculus californicus Benth., Pl. Hartw. 295 1849. (syn: Ranunculus californicus var. austromontanus L. D. Benson; Ranunculus californicus var. cuneatus Greene; Ranunculus californicus var. gratus Jeps.; Ranunculus californicus var. rugulosus (Greene) L. D. Benson; Ranunculus canus Torr. (ambiguous synonym); Ranunculus dissectus Hook. & Arn. (ambiguous synonym); Ranunculus fascicularis S. Watson (ambiguous synonym); Ranunculus rugulosus Greene);    

USA (California, Oregon, Washington State), Canada (British Columbia), Mexico (Baja California Norte) as per Catalogue of Life;

 
https://groups.google.com/group/indiantreepix/attach/e197fc45720cfd09/Yellow%20flowers%20SFO%20DSC06070.JPG?part=0.3&authuser=0&view=1
https://groups.google.com/group/indiantreepix/attach/e197fc45720cfd09/Yellow%20flowers%20SFO%20DSC06073.JPG?part=0.1&authuser=0&view=1
Attachments (6). 1 post by 1 author.
Requesting to please ID this plant with yellow flowers growing wildly in San Francisco, USA in May 2013.
Looks like Ranunculus
Can this be Ranunculus californicus?
This has been IDed as R. californicus on an FB group.
 
https://08511630493324166816.googlegroups.com/attach/734a00c81e341316/Ranunculus%20californicus_Point%20Bonita5.jpg?part=0.1&view=1&vt=ANaJVrFIjIVSWklY_jd-AtlI-6TPOjoYsAQQ5hRL15tyAhomOxol8iuWWYZI55ojlIEbQZnex9Bl_likKJaz46b08znfEuTpFxqxlGhbbTPsRA6xDB0Xgmk
 
https://08511630493324166816.googlegroups.com/attach/734a00c81e341316/Ranunculus%20californicus_Point%20Bonita1.jpg?part=0.3&view=1&vt=ANaJVrHkl92PxN0IohPpknRnP4Sg__ZDdqrqjlENc0M4l2kl5xjMlNYJHzcoDCbg5HcyGapxiLxO9tgb4hblTsvhMyJPJ-MG3IByADLiAg8AjMUh6B4ALJ8
https://08511630493324166816.googlegroups.com/attach/734a00c81e341316/Ranunculus%20californicus_Point%20Bonita2.jpg?part=0.4&view=1&vt=ANaJVrE9X9fpkvS7KHwR50Tx0Uvuk0-CIoIX6PiVWlynfXdzKLpr-hbdheIUrUX7pobCPCvRuT3oitv2gWZIJc33wcrp-OLUMabHLWm-SKzgC8tzuzJGOO0
https://08511630493324166816.googlegroups.com/attach/734a00c81e341316/Ranunculus%20californicus_Point%20Bonita4.jpg?part=0.6&view=1&vt=ANaJVrFjtC5gHppNjwkFELT2y8UYDbUuNzoKvs2D1esuPTTSQplGFPT4FfDz6aqQi9dLoi99tpQn-t2KbejFzza-M9p3c3w-MMODzduUBi0x9_DggOHsFTA
Attached are pictures of Ranunculus californicus captured wild at San Francisco in April 2013.
Requested to please validate the ID.
 
  
 

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