Table 1 Major morphological characters for higher level taxa of Glomeromycota from class to genus level.
Class Order | Family | Genus | Spore formation | Number of spore walls | Germination; specific germination structure | Mycorrhizal structures; staining in Trypan blue | |
|---|---|---|---|---|---|---|---|
Glomeromycetes | Germ tube (gt) | Vesicles, Arbuscles, Hyphae | |||||
Glomerales | Glomeraceae | Glomus |
| Glomoid (terminally on hyphae) | 1 | gt through hypha | v, A, H |
Funneliformis |
| Glomoid Funneliformoid sensu stricto | 1 | gt through hypha | V, A,H | ||
Septoglomus |
| Glomoid Septoglomoid sensu stricto | 1 | gt through hyphae | V,A,H | ||
Simiglomus |
| Glomoid Simiglomoid sensu stricto | 1 | gt through hypha? | V,A,H | ||
Entrophosporaceae | Claroideoglomus |
| Glomoid sensu lato Claroideoglomoid sensu stricto | 1 | gt through hypha | V,A,H | |
Albahypha |
| Glomoid Claroideoglomoid sensu lato | 1 | gt through hypha? | V,A,H | ||
Viscospora |
| Glomoid Claroideoglomoid sensu lato | 1 | gt through hypha | V, A, H | ||
Entrophospora |
| Entrophosporoid (in the neck of a saccule) | 2 | gt through wall? | V, A, H | ||
Diversisporales | Diversisporaceae | Diversispora |
| Glomoid Diversisporoid sensu stricto | 1 | gt through hypha | V, A, H |
Redeckera |
| Glomoid (Diversisporo-)Redeckeroid sensu stricto | 1 | gt through hypha? | V,A,H | ||
Otospora |
| Acaulosporoid (on the neck of sporiferous saccule): otosporoid sensu stricto | 2 | Unknown? | V,A, H | ||
Tricispora |
| Entrophosporoid Tricisporoid sensu stricto | 2 | Unknown? | V, A, H | ||
Sacculosporaceae | Sacculospora |
| Entrophosporoid Sacculosporoid sensu stricto | 3 | Unknown? | v, a, h | |
Pacisporaceae | Pacispora |
| Pacisporoid | 2 | gt through wall; multiply lobed germ structure | V,A,H | |
Acaulosporaceae | Kuklospora |
| Entrophosporoid Kuklosporoid sensu stricto | 3 | gt through wall; mono-lobed, hyaline germ shield (=orb) | V,A,H | |
Acaulospora |
| Acaulosporoid | 3 | gt through wall; mono-(to multiply) lobed, hyaline germ shield (=orb) | V,A,H | ||
Gigasporales | Scutellosporaceae | Orbispora |
| Scutellosporoid (on sporogenous cells, and forming germ shields); Orbisporoid sensu stricto | 3 | gt through wall; mono-lobed, hyaline germ shield (=orb) | A, H |
Scutellospora |
| Scutellosporoid | 3 | gt through wall; bi-lobed, hyaline, violin-shaped germ shield | A, H | ||
Dentiscutataceae | Fuscutata |
| Scutellosporoid Fuscutatoid sensu stricto | 3 | gt through wall; bi-lobed, brown, oval shield | A, H | |
Dentiscutata |
| Scutellosporoid Dentiscutatoid sensu stricto | 3 | gt through wall; brown germ shield with multiple small compartments | A, H | ||
Quatunica |
| Scutellosporoid Dentiscutatoid sensu stricto |
4
| gt through wall; brown germ shield with multiple compartments | A, H | ||
Racocetraceae | Cetraspora |
| Scutellosporoid Racocetroid sensu stricto | 3 | gt through wall; multiply lobed, hyaline germ shield | A, H | |
Racocetra |
| Scutellosporoid Racocetroid sensu stricto |
2
| gt through wall; multiply lobed, hyaline germ shield | A,H | ||
Gigasporaceae | Gigaspora |
| Gigasporoid (on sporogenous cells, and forming germ warts) | 1 | gt through wall; germ warts on inner spore wall layer | A,H | |
Archaeosporomycetes | |||||||
Archaeosporales | Ambisporaceae | Ambispora |
| Bimorph: Acaulo- & Glomo-ambisporoid | 3 (Ac) 1 (Gl) | Multiply-lobed germ structure (Ac) & gt through hypha (Gl) | V,A, H |
Archaeosporaceae | Archaeospora |
| Bimorph: Acaulo- & Glomo-archaeosporoid | 2(Ac) 1(Gl) | gt through wall; germ trunk (Ac), & gt through hypha (Gl)? | A, H | |
Intraspora |
| Bimorph: Entropho-& Glomo-intrasporoid | 2(Ac) 1 (Gl) | Unknown? | A, H | ||
Geosiphonaceae | Geosiphon |
| Glomoid sensu lato | 1 | gt through hypha? | Associated with cyanobacteria | |
Paraglomeromycetes | |||||||
Paraglomerales | Paraglomeraceae | Paraglomus |
| Glomoid sensu lato | 1 | gt through wall | A, H |
