"Acanthoscyphus parishii var. abramsii" "Acanthoscyphus parishii var. cienegensis" "Acanthoscyphus parishii var. goodmaniana" "Acleisanthes angustifolia" "Acleisanthes chenopodioides" "Acleisanthes diffusa" "Acleisanthes lanceolata" "Acleisanthes lanceolata var. lanceolata" "Acleisanthes nevadensis" "Acleisanthes parvifolia" "Aconitum columbianum subsp. viviparum" "Aconogonon alaskanum var. glabrescens" "Aconogonon davisiae var. glabrum" "Aconogonon phytolaccifolium var. glabrum" "Adiantum aleuticum" "Adiantum viridimontanum" "Agalinis flexicaulis" "Agalinis navasotensis" "Agave delamateri" "Agave deserti var. simplex"