Regulations for loans of vascular specimens (Spermatophyta-Pteridophyta)


    1. Both the Head of the borrowing institute and the research worker are responsible for the safe-keeping and return of a loan; students or others not in permanent employment receive loans in the name of their supervisor. Standard herbarium practice, as described in The Herbarium Handbook (RBG Kew), should be followed in general.

    2. In accordance with the CBD (Convention on Biological Diversity) loans can only be used for research for non-commercial purposes. In the event that economic potential is identified for an element which is part of the loan, BR should be informed. If the loan contains specimens transferred under the regulations of the CBD, all rules relative to the Convention and their derivatives should be complied.

    3. Loans are sent for a reasonable period. Return them at the earliest opportunity, preferably in their entirety.

    4. Do not transfer loans to another researcher or another institution without permission.

    5. Treat specimens with care and store them suitably, out of dust and direct sunlight and without danger for insect damage.

    6. Take care that liquid material does not dry out.

    7. Follow standard herbarium practice as regards labeling. Attach determinations or confirmations to every specimen as appropriate, i.e. without obscuring existing labels or writing on those. Use permanent ink or a laserprinter for attached labels.

    8. Bar-code labels of the reproduced model may be attached to the specimens. They bear a unique permanent number that may be used as reference tag for otherwise unnumbered collections in any publication.

    9. Attach type labels with precise information, especially when a nomenclatural type is not  yet marked as such (e.g. holo/iso/syntype of ...; neo/lectotype of ... selected by ... in ...). Preferably also mention references to protologue and recent literature on such labels.

    10. Attaching copies of complete field labels to incompletely labeled BR specimens is appreciated.

    11. Specimens may be dissected only when the structures to detach are sufficiently present to do so without harming the future use of the specimen. Use no more material than strictly necessary. Dissected portions should be dried and mounted and attached in an envelope to the specimens. A copy of drawings or observations made should be joined to the specimen. Dissections of type specimens are only allowed after formal approval by BR.

    12. Detach and use material for specialized study (flowers for pollen morphology, etc.) only when the structures needed are sufficiently present; do not use type specimens. Use no more material than strictly necessary. Attach an appropriate label indicating your study and its publication. In case of anatomical or palynological preparations, one slide of each made must be sent for the BR collection.

    13. Please send a reprint of any resulting publication to the Head of Department S.P. for insert in our reprint collection.

    14. Removal of any plant material for DNA extraction should be undertaken only after prior consent sollicited from the BR curator.


    This document is intended for the researcher requesting the loan. He should sign the declaration hereunder. Keep a copy and return the original to BR.


    I have well received the loan number (specify)               

    from BR and agree to comply with the regulations above.

    Anticipated date of return of the loan (fill in):

    Name                                       Date                                                     Signature Researcher



    Approval by the head or herbarium curator of the institute receiving the loan

    Name                                       Date                                                     Signature Head


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