-
Botanical Garden,
Chapel Hill, U.S.A.
Retrieved 21
November 2024.
Barbara Ertter &
James L.
Reveal (2014).
Rosaceae In:
Flora of
North America Editorial...
- ISBN 978-81-8489-991-7. Frankie, Gordon; Thorp, Robbin; Coville, Rollin; barbara,
Ertter;
California Native Plant Society (2014).
California bees & blooms: a guide...
- https://explorer.natureserve.org/Taxon/ELEMENT_GLOBAL.2.1132504/Potentilla_breweri
Ertter,
Barbara (2015). "Potentilla breweri". In
Flora of
North America Editorial...
-
species of
flowering plant in the
aster family known by the
common name
Ertter's ragwort. It is
endemic to Oregon,
United States. This
annual herb grows...
-
Potentilla altaica Bunge Potentilla ambigens Greene Potentilla amicarum Ertter Potentilla anac****tica Soják
Potentilla anadryensis Juz.
Potentilla anatolica...
-
Juncus longistamineus A.Camus
Juncus longistylis Torr.
Juncus luciensis Ertter Juncus luzuliformis Franch.
Juncus macrandrus Coville Juncus macrantherus...
-
Sengupta ****opyrum Mill.
Fallopia Adans.
Gilmania Coville Goodmania Reveal &
Ertter Gymnopodium Rolfe Harfordia Greene &
Parry Hollisteria S.Watson Johanneshowellia...
-
orientalixizangensis Y.R.Ling &
Humphries Artemisia packardiae J.Grimes &
Ertter – Packard's wormwood,
Succor Cr****
sagebrush Artemisia pallens Wall Artemisia...
-
Alfred Reznicek (born 1950)
Warren Lambert Wagner (born 1950)
Barbara Jean
Ertter (born 1953) John
Thomas Kartesz Encyclopedia of Biology. p. 338.
Flora of...
-
Retrieved 23
October 2015.
California Native Plant Society Rare
Plant Profile Ertter, B. (2001).
Native California Roses.
Jepson Manual Treatment - Rosa pinetorum...