Trichoptilium (English Wikipedia)

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

refsWebsite

Global rank English rank

438^th place

336^th place

6^th place

6^th place

archive.org (Global: 6^th place; English: 6^th place)

Spellenberg, Richard (2001) [1979]. National Audubon Society Field Guide to North American Wildflowers: Western Region (rev ed.). Knopf. p. 404. ISBN 978-0-375-40233-3.

usda.gov (Global: 438^th place; English: 336^th place)

plants.sc.egov.usda.gov

NRCS. "Trichoptilium incisum". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 14 December 2015.