Hymenoxys ambigens var. wagneri is a new variety endemic to the Dragoon Mountains of Cochise County, Arizona.Billie L. Turner Plant Resources Cente
8.7. Mirabilis melanotricha (Standley) Spellenberg (1998: 99) ≡ Allionia melanotricha Standley (1...
Townsendia smithii, from northwestern Arizona, is described, illustrated and contrasted with other A...
Recent taxonomic treatments of the genus Harpagonella have included only one lower taxon, H. palmeri...
Hymenoxys ambigens var. wagneri is a new variety endemic to the Dragoon Mountains of Cochise County,...
Based on evidence supporting the recognition of Tetraneuris as a genus separate from Hymenoxys, Hyme...
Hymenoxys subg. Rydbergia comprises H. brandegeei, H. grandiflora, and H. insignis. The treatment in...
Hymenoxys richardsonii var. richardsonii (Hook.) Cockerell var. richardsonii (Hook.) Cockerell, dete...
Tetraneuris is recognized as a genus separate from Hymenoxys and a taxonomic treatment is presented ...
Generic delimitation in the Hymenoxys complex has long been problematic. One taxonomic extreme would...
Class: Dicotyledoneae Family: Asteraceae Genus: Hymenoxys Species: richardsoni
A novel species of Perymenium from Sonora, Mexico is described. It appears to be closest to P. nesom...
A new firefly-mimicking lichen moth of the genus Hypoprepia, H.lampyroides Palting & Ferguson, sp. n...
Asclepias angustifolia is a Mexican milkweed that barely enters the U.S.A. Its pollinators and other...
New molecular and ecological data have necessitated taxonomic revisions of several species complexes...
Tetraneuris turneri (K.F. Parker) K.F. ParkerVery localized population on limestone soil along roads...
8.7. Mirabilis melanotricha (Standley) Spellenberg (1998: 99) ≡ Allionia melanotricha Standley (1...
Townsendia smithii, from northwestern Arizona, is described, illustrated and contrasted with other A...
Recent taxonomic treatments of the genus Harpagonella have included only one lower taxon, H. palmeri...
Hymenoxys ambigens var. wagneri is a new variety endemic to the Dragoon Mountains of Cochise County,...
Based on evidence supporting the recognition of Tetraneuris as a genus separate from Hymenoxys, Hyme...
Hymenoxys subg. Rydbergia comprises H. brandegeei, H. grandiflora, and H. insignis. The treatment in...
Hymenoxys richardsonii var. richardsonii (Hook.) Cockerell var. richardsonii (Hook.) Cockerell, dete...
Tetraneuris is recognized as a genus separate from Hymenoxys and a taxonomic treatment is presented ...
Generic delimitation in the Hymenoxys complex has long been problematic. One taxonomic extreme would...
Class: Dicotyledoneae Family: Asteraceae Genus: Hymenoxys Species: richardsoni
A novel species of Perymenium from Sonora, Mexico is described. It appears to be closest to P. nesom...
A new firefly-mimicking lichen moth of the genus Hypoprepia, H.lampyroides Palting & Ferguson, sp. n...
Asclepias angustifolia is a Mexican milkweed that barely enters the U.S.A. Its pollinators and other...
New molecular and ecological data have necessitated taxonomic revisions of several species complexes...
Tetraneuris turneri (K.F. Parker) K.F. ParkerVery localized population on limestone soil along roads...
8.7. Mirabilis melanotricha (Standley) Spellenberg (1998: 99) ≡ Allionia melanotricha Standley (1...
Townsendia smithii, from northwestern Arizona, is described, illustrated and contrasted with other A...
Recent taxonomic treatments of the genus Harpagonella have included only one lower taxon, H. palmeri...
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