They do not produce motile spores at any stage of the life cycle. 在生活史的各階段都不發育產生遊動孢子。
These motile spores may encyst in adverse conditions or may be the means by which a fungus or parasitic protoctist penetrates a new host. 在不利環境中,遊動孢子被包在囊內,當真菌或寄生的原核細胞穿透新寄主時遊動孢子被釋放出來。