Table 6.

Spore height determinations.

Spore species	Spore height air-dried (solution-grown)	Spore height air-dried (agar-grown)
Bacillus thuringiensis∗	750–1000 nm	740–1080 nm
	avg ≈ 872 nm	average ≈ 937 nm
	(AD = 5.4%)	(AD = 5.3%)
	(AD = 5.4%)	(AD = 5.3%)
B. anthracis‡	800–880 nm	750–800 nm
	average ≈ 835 nm	average ≈ 780 nm
	(AD = 5.4%)	(AD = 5.4%)

^∗Plomp et al., 2005a; ^‡Elhadj et al., in preparation.