Moon cactus, Gymnocalycium Mihanovichii, Overhead close view of some red offsets with smaller ones growing of these.

Moon cactus, Gymnocalycium Mihanovichii, Overhead close view of some pink offsets with smaller ones growing of these.

Christmas cactus, Schlumbergera x bridgesii, Close view of one bright pink flower with swept back petals, white stamens and unusual star shaped pink stigma.

Cactus, Golden barrel cactus, Echinocactus grusonii, Cropped view of several plants with spikey spines on the many ribs, one with tiny pieces of white fluff trapped on them.

Cactus, Golden barrel cactus, Echinocactus grusonii, Cropped view of several plants with spikey spines on the many ribs, one with tiny pieces of white fluff trapped on them.

Agave, Giant agave, Agave salmiana, Close view of grafitti scratched into the fleshy leaf.

Agave, Giant agave, Agave salmiana, Close view of grafitti scratched into the fleshy leaf.

Agave, Giant agave, Agave salmiana, Close view of grafitti scratched into the fleshy leaf.

Agave, Giant agave, Agave salmiana, Close view of grafitti scratched into the fleshy leaf.

Dahlia, Dahlia 'Eileen Denny', Close view in sunlight of one flower with white and pale pink spikey petals.

Dinosaur Back Plant, Myrtillocactus geometrizans forma cristata, Close view of spiny ribs of this unusual blue green cactus.

Dinosaur Back Plant, Myrtillocactus geometrizans forma cristata, Close view of spiny ribs of this unusual blue green cactus.