The pictures and/or fronds should allow identification at least to the genus level for listing on the exchange.Ģ. Sending portions of the dried fronds is also helpful. If you do not know the botanical name of the fern or if you are unsure, please send pictures of the plant, both sides of the fronds and close-ups of the fertile fronds. Links to donor-supplied pictures are included in the online list, which helps when selecting ferns and aids in confirming the species/variant identification. Try to include an ordinary object in at least one picture for size reference. If possible, take some digital photographs of the fern you are collecting spores from. Or, follow the guideline below to avoid some common problems with donated spores such as unripe or over-ripe spores, contamination, incorrect identification, and leaking of spores in transit.ġ. Generally, a hand-sized area of fertile frond will yield enough spores.Īn in-depth PDF presentation on collecting spores is available here. When collecting spores, please try to collect enough to make three or more packets (approximately 15 cubic millimeters of cleaned spores, minimum). If you think a fern is too common to donate, it might be just what a researcher or someone in another area is looking for. Donations that add new species or update existing species are preferred. The Spore Exchange welcomes spore donations from members and non-members.
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