Calyptridium umbellatum (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Calyptridium umbellatum" in English language version.

refsWebsite

Global rank English rank

1natureserve.org

5,367^th place

2,998^th place

394^th place

442^nd place

low place

low place

low place

low place

580^th place

462^nd place

baynature.org

"The Rare Santa Cruz Sandhills and the People who Love Them". Bay Nature Magazine. 13 April 2012. Retrieved 16 January 2020.

berkeley.edu

ucjeps.berkeley.edu

"Key to Calyptridium". Jepson Herbarium. Retrieved 16 January 2020.

calflora.org

"Calyptridium umbellatum". CalFlora. Retrieved 16 January 2020.

kew.org

powo.science.kew.org

"Calyptridium umbellatum (Torr.) Greene". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 22 March 2025.

natureserve.org

explorer.natureserve.org

NatureServe (28 February 2025). "Cistanthe umbellata". NatureServe Explorer. Arlington, Virginia. Retrieved 22 March 2025.