When: 2008-02-14

Collection location: Mountain View, Santa Clara Co., California, USA [Click for map]

Who: Alan Rockefeller (Alan Rockefeller)

No specimen available


Proposed Names

28% (4)
Recognized by sight: The lack of yellow colors in the cap when so young and assuming it is not a Conocybe leads to Bolbitius lacteus in the keys for Flora Agaricina Neerlandica Vol. 6. Arora mentions it and Dahncke has a color photo that seems a perfect match.
Used references: Dahncke, Rose Marie. 2001. 1200 Pilze in Farbfotos. AT Verlag/AZ Fachverlage, Aarau, Swis. 1178p.
Noordeloos, M. E., TH. W. Kuyper and E. C. Vellinga. 2005. Flora Agaricina Neerlandica: Critical Monographs on Families of Agarics and Boleti Occurring in the Netherlands. Volume 6: Coprinaceae and Bolbitiaceae. CRC Press, Taylor & Francis Group, Boca Raton, FL, USA. 227p.
27% (1)
Recognized by sight

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Add Comment
vitellinus can dry out very quickly
By: Jason Hollinger (jason)
2008-02-19 14:18:00 CST (-0500)

In a sunny lawn like this I’ve seen B. vitellinus turn white just as young, fruiting right next to a bright yellow one that happened to still be shaded.

yellower at first
By: Alan Rockefeller (Alan Rockefeller)
2008-02-19 01:12:14 CST (-0500)

I think these are more yellow when young. I will see if I can find some more specimens.