|
Keys
to species Giffordia
1. |
Plants
minute, about 5 mm tall |
G.
rallisae
|
1. |
Plants
larger, often several centimeters tall |
2
|
2. |
Branches
often arcuate near their tips, the branchlets pectinate, secund
|
G.
sandriana
|
2. |
Branchlets
not pectinate |
3
|
3. |
Plants
about 2 cm tall, the gametangia scattered, usually more than 5
diameters long |
G.
duchassaigniana
|
3. |
Plants
much larger |
4
|
4. |
Gametangia
to about 5 diameters long, more or less cylindrical, the tips
blunt |
|
4. |
Gametangia
about 2 diameters long, conical |
G.
conifera
|
|