All plants are in flowering size:

Bulbophyllum longissimum
Bulbophyllum mirum
Bulbophyllum forresti red (Rytionanthos aemulum)
Bulbophyllum forresti yellow ( Rytionanthos aemulum)
Bulbophyllum grandiflorum(Hyalosema)
Bulbophyllum rothschildianum (Cirrhopetalum)
Bulbophyllum scaberulum
Bulbophyllum tingabarinum
Bulbophyllum sikkimense
Bulbophyllum membranense