22-x-1980; (3) Brickellia nutanticeps, Dolores Hidalgo to Ojuelos road (Guanajuato), 2240 m, 8-x-1980; (4) Perymenium sp.
Accordingly we present modifications for 17 keys, namely those corresponding to Achillea, Ageratum, Artemisia, Baccharis, Brickellia, Conyza, Erigeron, Eupatorium, Gnaphalium, Heterotheca, Lagascea, Montanoa, Senecio, Solidago, Sonchus, Stevia, and Viguiera, in which species recorded for the first time on plants in these genera are added, and also U.
Inhibitory effect of xanthomicrol and 3[alpha]-angeloiloxy, 2[alpha]-hydroxy-13,14Z didehydrocativic acid from Brickellia paniculata on the contractility of guinea-pig ileum.
Acacia farnesiana, Astianthus viminalis, Justicia spicigera and Piper auritum were collected in Morelos State, Brickellia paniculata, Helianthemum glomeratum and Rubus coriifolius in the highland of Chiapas, Chamaedora tepejilote in Veracruz, Lantana hispida in Oaxaca, Larrea tridentata in San Luis Potosi and Teloxys graveolens, Oenothera rosea, Eucalyptus globulus and Sphaeralcea angustifolia in Mexico City.
Relaxant effect of xanthomicrol and 3alpha-angeloyloxy-2alpha-hydroxy-13, 14z-dehydrocativic acid from Brickellia
paniculata on rat uterus.
Mid-grass prairie; the common species include the grasses Bouteloua curtipendula, Schizachyrium scoparium, and Hesperostipa spartea and forbs such as Amorpha canescens, Symphyotrichum oblongifolium, Dalea purpureum, Erysimium capimtum, and Brickellia
Isoetes melanopoda, Croomia pauciflora, Brickellia
cordifolia, and Stewartia malacodendron were not re-located.
On the first and second sampling dates, Brickellia
laciniata Gray was not sampled and only 5 replications per plant species were made.
Mohr also noted that "sand hills near Montgomery" had openings with several distinctive xerophile or annual grasses (Aristida, Eragrostis, Panicum) and herbs, including Brickellia
eupatorioides, Croptilon divaricatum, Mirabilis sp.
Prairie species once present but not found during the present survey include Amorpha canescens Pursh, Brickellia
associated genera Quercus, Brickellia
, Pinus, Garrya, Cercocarpus, and Juniperus, Windham 0236, 17 March 1981 (UT, ASC).
Ex blue grama Griffiths Brickellia