Penstemon Cyananthus by Margaret Neilson Armstrong was created in 1913.… Read More »Penstemon Cyananthus by Margaret Neilson Armstrong

Orange Mariposa Tulip (Calochortus Kennedyi) by Margaret Neilson Armstrong was… Read More »Orange Mariposa Tulip by Margaret Neilson Armstrong

Hedgehog Cactus (Echinocereus polyacanthus) by Margaret Neilson Armstrong was created… Read More »Hedgehog Cactus by Margaret Neilson Armstrong

Cliff Rose (Cowania Stansburiana) by Margaret Neilson Armstrong was created… Read More »Cliff Rose by Margaret Neilson Armstrong

Cancalaqua (Erythraea venusta) by Margaret Neilson Armstrong was created in… Read More »Cancalaqua by Margaret Neilson Armstrong

California Poppy (Eschscholtzia Californica) by Margaret Neilson Armstrong was created… Read More »California Poppy by Margaret Neilson Armstrong

Butterfly Tulip (Calochorus luteus, var. oculatus) by Margaret Neilson Armstrong… Read More »Butterfly Tulip by Margaret Neilson Armstrong

Bush Poppy (Dendromecon rigida) by Margaret Neilson Armstrong was created… Read More »Bush Poppy by Margaret Neilson Armstrong

Arizona Thistle (Carduus Arizonicus) by Margaret Neilson Armstrong was created… Read More »Arizona Thistle by Margaret Neilson Armstrong