Advances in Glomeromycota taxonomy and classification

. 2011 Nov 18;2(2):191–199. doi: 10.5598/imafungus.2011.02.02.10

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Figs 2–11. — Characteristic germination shields in *Gigasporales* with germ pore (gp) as connection between spore cell contents and shields that are positioned on the surface of the germinal wall; germ tubes emerge from germ tube initiations (*gti*). **Fig. 2.** *Orbispora pernambucana* (isotype, ZT Myc 641) with mono-lobed, hyaline germ shield (*orb*). **Figs 3–4.** *Scutellospora calospora* (photo taken at INVAM) and S. *dipurpurescens* (holotype OSC #83343) have bi-lobed, violin-shaped, hyaline shields. **Figs 5–8.** *Racocetra coralloidea* (type, OSC #31026), R. *castanea* (ex type, ZT Myc 4377), *Cetraspora nodosa* (isotype, DPP, Szczecin, Poland) and *C. helvetica* (isotype, ZT Myc 3038) have wavy-like, multiply lobed, hyaline shields. **Figs 9–11.** *Dentiscutataceae* shields are yellow brown to brown. **Fig. 9.** *Dentiscutata reticulata* (photo taken at INVAM) shields with multiple small compartments. **Fig. 10.** *Quatunica erythropa* (photo taken at INVAM) is assumed to be the only known species in *Glomeromycota* with four spore walls. **Fig. 11.** *Fuscutata heterogama* (ex type, ZT Myc 642) has a bi-lobed, oval to ovoid shield.

Figs 2–11.