Complex sentence: Isolates of "Streptomyces lavendulae" from different soils around the world vary morphologically and physiologically, with some strains producing straight aerial mycelium, while other isolates form spiral mycelium.
Split into simpler sentences: Isolates of "Streptomyces lavendulae" from different soils around the world vary morphologically and physiologically. Some strains isolated produce a straight aerial mycelium, while other isolates form spiral mycelium.