Phymatidium tillandsioides is soo tiny!! It looks like a miniature meadow with teensy sprays of cute little blooms.
I had divided the clump a few years ago and the smallest piece ( the one on the right) actually grew the best.
Nageliella purpurea is outside since May and just keeps producing tiny blooms on very long dangling spikes. The plant is a challenge to photograph, especially outside. I took it inside and tried not to breathe while shooting away. Especially the second picture gives you a good idea of its proportions.