Search Results - "Dieringer, G"

Pollinator Effectiveness and Seed Set in Populations of Agalinis strictifolia (Scrophulariaceae) by Dieringer, Gregg

Get full text

Sexual Selection of Anther Trichomes and Sexual Dimorphism in Ibervillea lindheimeri (Cucurbitaceae: Melothrieae) by Dieringer, Gregg, R., Leticia Cabreara

Get full text

Pollinator effectiveness and seed set in populations of Agalinis strictifolia (Scrophulariaceae) by Dieringer, G. (University of Texas, Austin, TX)

“…Examining variation in pollinator effectiveness and seed production resulting from single pollinator visits can provide a deeper understanding of how…”
Get full text

Pollination ecology of Streptanthus bracteatus (Brassicaceae): a rare central Texas endemic by Dieringer, G. (University of Texas at Austin, Austin, TX)

Get full text

Reproductive biology of a population of Acourtia runcinata (Asteraceae: Mutisieae) at the northeastern limit of its range by Leticia Cabrera R., Dieringer, Gregg

“…Acourtia runcinata is a member of the tribe Mutisieae: subtribe Nassauviinae (Asteraceae). Breeding system studies showed the population to be primarily…”
Get full text

Pollinator Limitation in Populations of Agalinis strictifolia (Scrophulariaceae) by Dieringer, Gregg

“…Pollinator limitation of percent fruit production and mean seeds/fruit was examined in two populations of Agalinis strictifolia during 1984, 1985, and 1987…”
Get full text

Reproductive Ecology of Magnolia schiedeana (Magnoliaceae), a Threatened Cloud Forest Tree Species in Veracruz, Mexico by Dieringer, Gregg, J. Enrique Espinosa S.

“…Flowering among three study populations of Magnolia schiedeana Schlecht. (Magnoliaceae) varied considerably, beginning in January or February and continuing…”
Get full text

The interaction between pollinator size and the bristle staminode of Penstemon digitalis (Scrophulariaceae) by Dieringer, G, Cabrera R, L

“…Penstemon digitalis, a prairie species whose flowers possess a large bristle staminode, is visited by eight bee species of varying size. Two sets of field…”
Get full text

The interaction between pollinator size and the bristle staminode of Penstemon digitalis (Scrophulariaceae) by Dieringer, Gregg, Cabrera R, Leticia

“…Penstemon digitalis, a prairie species whose flowers possess a large bristle staminode, is visited by eight bee species of varying size. Two sets of field…”
Get full text

Reproductive Biology of Agalinis skinneriana (Scrophulariaceae), a Threatened Species by Dieringer, Gregg

“…Agalinis skinneriana is a rare, autogamous, bee-visited, annual plant native to the Illinois prairie. Two populations differing in size were chosen for study:…”
Get full text

Beetle pollination and floral thermogenicity in Magnolia tamaulipana (Magnoliaceae) by Dieringer, G, Cabrera R, L, Lara, M, Loya, L, Reyes-Castillo, P

“…The pollination biology involving floral thermogenicity of Magnolia tamaulipana was conducted at the El Cielo Reserve in Tamaulipas, Mexico, during May 1996…”
Get full text

Pollination ecology, genetic diversity and selection on nectar spur length in Platanthera lacera (Orchidaceae) by Little, K.J, Dieringer, G, Romano, M

“…Platanthera lacera (Orchidaceae) is a moth‐pollinated, loess prairie orchid producing a raceme of one to many whitish‐green flowers. Field studies on a western…”
Get full text

Population Genetic Structure of Agalinis strictifolia (Scrophulariaceae) by Dieringer, Gregg, Werth, Charles R.

“…Agalinis strictifolia (Benth.) Penn. (Scrophulariaceae) is a self-incompatible annual distributed from central Texas south into northern Mexico. In central…”
Get full text

Variation in individual flowering time and reproductive success of Algalinis strictifolia (Scrophulariaceae) by DIERINGER, G

Get full text

Pollen Structure of Acourtia (Asteraceae): New Findings and Some Taxonomic Considerations by R., Leticia Cabrera, Dieringer, Gregg

“…The exine stratification of the pollen grains in Acourtia species was studied using scanning electron microscopy (SEM). Our results indicate that two patterns…”
Get full text

A QCD calculation of the pion-nucleon sigma-term by Dieringer, G. M., Kremer, M., Nasrallah, N. F., Schilcher, K.

Get full text

Sexual selection of anther trichomes and sexual dimorphism in Ibervillea lindheimeri (Cucurbitaceae: Melothrieae) by Dieringer, G, Cabrera R, L

“…Ibervillea lindheimeri is a dioecious member of the Cucurbitaceae whose male flowers possess a number of sex-specific characteristics including eglandular…”
Get full text

Variation in individual flowering time and reproductive success of Agalinis strictifolia (Scrophulariaceae) by Dieringer, G. (University of Texas at Austin, TX)

“…Field studies on two populations of Agalinis strictifolia were conducted over a 3-year period to investigate the relationship between flowerng time of…”
Get full text

production of floral oils by Monttea (Scrophulariaceae) and the function of tarsal pads in Centris bees by Simpson, B.B, Neff, J.L, Dieringer, G

“…Plant species that secrete oil as their primary floral reward are are and sporadically found in the angiosperms. We report here that Monttea, a genus…”
Get full text

Reproductive biology of Tinantia anomala (Commelinaceae) by Simpson, B.B, Neff, J.L, Dieringer, G

“…The pronounced anther dimorphism of Tinantia anomala is purported to reflect a pollen mimicry system that promotes cross pollination while reducing the amount…”
Get full text